D-Sorbitol CAS 50-70-4 Assay 97.0 ~ 100.5% Factory High Quality
Shanghai Ruifu Chemical Co., Ltd bụ otu n'ime ndị na-emepụta ihe na ndị na-eweta D-Sorbitol (CAS: 50-70-4) na china nwere àgwà dị elu, ikike mmepụta 20000 tọn kwa afọ.A na-ere D-Sorbitol nke ọma ma n'ahịa ụlọ na mba ọzọ, ndị ahịa tụkwasịrị obi nke ukwuu.Anyị nwere ike ịnye nnyefe zuru ụwa ọnụ, obere na nnukwu ọnụọgụ dị.Ọ bụrụ na ịchọrọ ịzụta D-Sorbitol,Please contact: alvin@ruifuchem.com
Aha Chemical | D-Sorbitol |
Ụdị okwu | D (-) - sorbitol;sorbitol;(-) - sorbitol;dextro-Sorbitol;D-Glucitol;D-Sorbol;Gulitol;Essorb;L-Gulitol |
Ọnọdụ Ahịa | N'ahịa, ikike nrụpụta 20000 Tọn kwa afọ |
Nọmba CAS | 50-70-4 |
Usoro ihe omimi | C6H14O6 |
Ibu molekụla | 182.17 |
Ebe Na-agbaze | 98.0 ~ 100.0 ℃ (ọkụ) |
Njupụta | 1.28 g/ml na 25 ℃ |
Ntụgharị ntụgharị n20/D | 1.46 |
Mmetụta | Hygroscopic |
Mmiri Solubility | Soluble nke ukwuu n'ime mmiri, ọ fọrọ nke nta ka ọ bụrụ nghọta |
Solubility | Na-adịghị ike na Ethanol (pasent 96), enweghị ike ime na Ether |
Okpomọkụ nchekwa. | Edechiri ya na nkụ, na-echekwa na okpomọkụ ụlọ |
COA & MSDS | Dị |
Ụdị | Ruifu Chemical |
Koodu egwu | Xi | RTECS | LZ4290000 |
Nkwupụta ihe egwu | 36/37/38 | F | 3 |
Nkwupụta nchekwa | 8-36-26-24/25 | TSCA | Ee |
WGK Germany | 2 | Koodu HS | 2905440000 |
Ihe | Ụkpụrụ nyocha | Nsonaazụ |
Ọdịdị | White Crystalline ntụ ntụ | Dabara |
Detụ ire | Ụtọ ụtọ, ọ dị mma | Dabara |
Ọnọdụ Ngwọta | Dị ọcha na enweghị agba (5.0g na 20ml nke H2O) | Dabara |
Chloride (Cl) | ≤0.005% | <0.005% |
Sulfate (SO4) | ≤0.005% | <0.005% |
Ọla dị arọ (dị ka Pb) | ≤5.0pm | <5.0pm |
Nickel (Ni) | ≤1.0pm | <1.0pm |
Ndu (Pb) | ≤1.0pm | <1.0pm |
Arsenic (As2O3) | ≤1.0pm | <1.0pm |
Mbelata shuga (dị ka glucose) | ≤0.30% | <0.10% |
Mkpokọta shuga | ≤0.50% | <0.50% |
Mmiri | ≤1.50% | <1.50% |
Ihe fọdụrụ na mgbanye (Sulfated) | ≤0.10% | <0.10% |
D-Sorbitol nyocha | 97.0 ~ 102.0% (na a mịrị amị ndabere) | 99.2% |
Uru pH | 3.5 ruo 7.0 (50% aq. Ngwọta) | 6.0 |
Ngụkọta ọnụ ọgụgụ ikuku | ≤1000 cfu/g | <1000 cfu/g |
Mkpokọta Ebu na Yist | ≤100 cfu/g | <100 cfu/g |
Escherichia Coli | Enweghị | Enweghị |
Salmonella | Enweghị | Enweghị |
Endotoxins nke nje bacteria | Dabara | Dabara |
Spectrum infrared | Dabara na Ọdịdị | Dabara |
Mmechi | Ngwaahịa a site na nkwekọrịta nyocha yana nkọwapụta |
D-Sorbitol (CAS: 50-70-4) EP8.7 Usoro ule
D-glucitol (D-sorbitol).
Ọdịnaya: 97.0 pasent ruo 102.0 pasent (ihe na-ekpo ọkụ).
ÀMÀ
Ọdịdị: ọcha ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ ọcha, ntụ ntụ crystalline.
Solubility: soluble nke ukwuu na mmiri, ihe fọrọ nke nta ka ọ bụrụ ihe a na-apụghị ịsacha na ethanol (pasent 96).
Ọ na-egosi polymorphism (5.9).
EZIOKWU
njirimara mbụ: A.
Ihe njirimara nke abụọ: B, C, D
A. Nyochaa chromatograms enwetara na nyocha.
Nsonaazụ: ọnụ ọgụgụ kachasị elu na chromatogram nke enwetara na ngwọta nnwale yiri oge njide na nha ya na ọnụ ọgụgụ kachasị elu na chromatogram enwetara na ngwọta ntụaka (a).
B. Gbari 0,5 g na kpo oku na ngwakọta nke 0,5 ml nke pyridine Rand 5 mL nke acetic anhydride R. Mgbe 10 min wụsa ngwọta n'ime 25 ml mmiri Rand kwe ka guzo na mmiri oyi maka 2 h.Ọkpụkpọ ahụ, recrystallised sitere na obere olu ethanol (pasent 96) R ma mịrị amị na vacuo, gbazee (2.2.14) na 98 ℃ ruo 104 ℃.
C. chromatography nke dị obere (2.2.27).
Ngwọta ule.Gbarie 25 mg nke ihe a ga-enyocha n'ime mmiri R wee jiri otu ihe mgbaze mee ka ọ bụrụ 10 ml.
Ngwọta ntụaka (a).Gbari 25 mg nke sorbitol CRS n'ime mmiri R wee gbanye 10 ml na otu ihe mgbaze.
Ngwọta ntụaka (b).Gbari 25 mg nke mannitol CRS na 25 mg nke sorbitol CRS n'ime mmiri R wee gbasaa na 10 ml na otu ihe mgbaze.
Efere: TLC silica gel G efere R.
Usoro mkpanaka: mmiri R, ethyl acetate R, propanol R (10: 20: 70V / V / V).
Ngwa: 2 μL
Mmepe: n'elu ụzọ nke 17cm
Ịkpọ nkụ: na ikuku.
Nchọpụta: fesa na 4-aminobenzoic acid ngwọta R;akọrọ na ikuku oyi dị ugbu a ruo mgbe ewepụrụ acetone;okpomọkụ na 100 ℃ maka 15min;ekwe ka ajụkwa ma fesaa na 2g/L ngwọta nke sodium periodate R;akọrọ na ikuku oyi dị ugbu a;okpomọkụ na 100 ℃ maka 15 min.
Ndabara sistemu: ngwọta ntụaka (b):
- chromatogram na-egosi ntụpọ 2 kewapụrụ nke ọma.
Nsonaazụ: isi ntụpọ na chromatogram enwetara na ngwọta ule yiri ya na ọnọdụ, agba na nha na isi ntụpọ na chromatogram nwetara site na ntụnye ntụaka (a).
D. Ntugharị ngwa anya akọwapụtara (2.2.7): +4.0 ruo +7.0 (ihe anhydrou).
Gbari 5.00 g nke ihe a ga-enyocha na 6.4 g nke disodium tetraborate R na 40 ml mmiri R. Kwe ka guzoro maka 1h, na-ama jijiji mgbe ụfọdụ, na-atụgharị na 50.0mL na mmiri R. Nyocha ma ọ bụrụ na ọ dị mkpa.
Nnwale
Ọdịdị nke ngwọta. Ihe ngwọta doro anya (2.2.1) na enweghị agba (2.2.2, Method II).
Gbari 5 g n'ime mmiri R wee gbanye 50 ml na otu ihe mgbaze.
Ịrụ ọrụ (2.2.38): kacha 20 μS · cm-1
Igbari 20.0 g incarbon dioxide mmiri na-adịghị akwadoro site na distilled mmiri R na itughari ka 100.0 ml na ihe mgbaze.Tulee conductivity nke ngwọta ka ị na-eji nwayọọ na-akpali akpali na magnetik.
Mbelata shuga: kacha 0.2 pasent, gosipụtara dị ka glucose dakọtara.
Gbarie 5.0 g na mmiri 6 ml R site n'enyemaka nke ọkụ dị nro.Jụụ wee gbakwunye 20 ml nke cupri-citric ngwọta R na cha cha ole na ole.Kpoo ọkụ ka esi amalite mgbe nkeji 4 gachara ma nọgide na-esi esi maka nkeji 3.Jụọ ngwa ngwa ma tinye 100 ml nke ihe ngwọta 2.4 pasent V/V nke glacial acetic acid R na 20.0 ml nke 0.025 M ayodiin.Site na ịma jijiji na-aga n'ihu, gbakwunye 25 ml nke ngwakọta nke mpịakọta 6 nke hydrochloric acid R na 94 mmiri R na, mgbe mkpọda ahụ gbazere, titrate ngafe nke iodine na 0.05 M sodium thiosulfate na-eji 1 ml nke starch solution R, gbakwunyere. ruo na njedebe nke titration, dị ka egosi.Ọ bụghị ihe na-erughị 12.8 ml nke 0.05 M sodium thiosulfate achọrọ.
Ihe ndị metụtara ya.chromatography nke mmiri mmiri (2.2.29).
Ngwọta ule.Gbari 5.0 g nke ihe a ga-enyocha na 20 ml mmiri R wee gbanye 100.0 ml na otu ihe mgbaze.
Ngwọta ntụaka (a).Gbari 0.50g nke sorbitol CRS na 2 ml mmiri R wee gbanye 10.0 ml na otu ihe mgbaze.
Ngwọta ntụaka (b).Ghichaa 2.0ml nke ngwọta ule na 100.0 ml na mmiri R.
Ngwọta ntụaka (c).Ghichaa 5.0 ml nke ngwọta ntụaka (b) na 100.0 ml na mmiri R.
Ngwọta ntụaka (d).Gbari 0.5g nke sorbitol R na 0,5 g nke mannitol R (adịghị ọcha A) na 5 ml mmiri R wee gbanye 10.0 ml na otu ihe mgbaze.
Ogidi:
– nha: l=0.3m,Ø=7.8mm
- nkeji oge: ike cation-exchange resin (ụdị calcium) R (9 μm);
– Okpomọkụ: 85±1°C
Usoro mkpanaka: mmiri na-ekpo ọkụ R.
Onu ogugu: 0.5ml/min
Nchọpụta: refractometer na-edobe na okpomọkụ mgbe niile (dịka 35 Celsius C).
Injection: 20μL nke ngwọta ule na ngwọta ntụaka (b) (c) na (d)
Oge ịgba ọsọ: ugboro abụọ na oge njigide nke sorbitol.
Njide njikọ na-ezo aka na sorbitol (oge njide = banyere 27 min): adịghị ọcha C = banyere 0.6;adịghị ọcha A = ihe dịka 0.8;adịghị ọcha B = ihe dịka 1.1.
Ndabara sistemu: ngwọta ntụaka (d):
-Mkpebi: opekempe 2.0 n'etiti ọnụ ọgụgụ kachasị elu n'ihi adịghị ọcha A na sorbitol.
Oke:
-adịghị ọcha ọ bụla: maka adịghị ọcha ọ bụla, ọ bụghị karịa mpaghara nke isi elu na chromatogram nwetara na ngwọta ntụaka (b) (2%);
-mkpokọta: ọ bụghị ihe karịrị 1.5 ugboro mpaghara nke isi elu na chromatogram nwetara site na ntinye aka (b) (3%);
–nleghara oke: mpaghara nke isi elu na chromatogram nwetara na ntụaka ngwọta (c) (0.1 percent).
Ndu (2.4.10): kacha 0.5 ppm.
Nickel (2.4.15): kacha 1 ppm.
Gbanyụọ ihe a ga-enyocha n'ime 150.0 ml nke ngwakọta edozi edozi.
Mmiri (2.5.12): kacha 1.5 pasent, kpebisiri ike na 1.00 g.Jiri ngwakọta nke 1 mpịakọta nke foramide R na mpịakọta 2 nke methanol anhydrous R dị ka ihe mgbaze.
Mmetọ microbial
Ọ bụrụ na e bu n'obi iji mee ihe n'imepụta nkwadebe parenteral:
– TAMC: akara nnabata 102CFU/g (2.6.12).
Ọ bụrụ na ebughị n'obi ka e jiri ya mee ihe n'imepụta nkwadebe parenteral:
– TAMC: akara nnabata 103CFU/g (2.6.12);
– TYMC: akara nnabata 102CFU/g (2.6.12);
- enweghị Escherichia coli (2.6.13);
- enweghị Salmonella (2.6.13).
Ọrịa endotoxins (2.6.14).Ọ bụrụ na e bu n'obi iji ya mee ihe maka imepụta nkwadebe parenteral na-enweghị usoro ọzọ kwesịrị ekwesị maka iwepụ endotoxins nje:
- ihe na-erughị 4 IU / g maka nkwadebe parenteral nwere ịta nke ihe na-erughị 100g / L nke sorbitol.
- ihe na-erughị 2.5 IU / g maka nkwadebe parenteral nwere ịta nke 100g / L ma ọ bụ karịa nke sorbitol.
ASSAY
Liquid chromatography (2.2.29) dị ka akọwara na ule maka ihe ndị metụtara ya na mgbanwe ndị a.
Injection: Ngwọta nnwale na ntụnye aka (a).
Gbakọọ ọdịnaya pasentị nke D-sorbitol site na ọdịnaya ekwuputara nke sorbitol CRS.
Ịkpọ aha
Akara ahụ kwuru:
- ebe ọdabara, ntinye kachasị nke nje endotoxins;
- ebe ọdabara, na ihe ahụ dabara adaba maka imepụta nkwadebe parenteral.
IHE adịghị ọcha
A.D-mannitol,
B.D-iditol,
C.4-O-a-D-glucopyranosyl-D-glucitol (D-maltitol).
D-Sorbitol (CAS: 50-70-4) Ule ule USP
Nkọwa
Sorbitol nwere NLT 91.0% na NMT 100.5% nke D-sorbitol, gbakọọ na anhydrous ndabere.Ọnụ ọgụgụ nke mkpokọta shuga, mmanya polyhydric ndị ọzọ, na hexitol anhydrides ọ bụla, ọ bụrụ na achọpụtara ya, esoghị n'ihe achọrọ, ma ọ bụ na ego agbakọtara n'okpuru adịghị ọcha ndị ọzọ na ọkwa izugbe.
Nchọpụta
• A.
Ihe ngwọta: 1 g nke sorbitol na 75 ml mmiri
Nyocha: Nyefee 3 ml nke ngwọta nlele na tube ule 15-cm, tinye 3 mL nke ngwọta catechol a kwadebere ọhụrụ (1 na 10), na mix.Tinye 6 ml nke sulfuric acid, wee jiri nwayọọ kpoo tube n'ime ọkụ maka 30 s.
• B. Oge njide nke isi ọnụ ọgụgụ kachasị elu nke ngwọta Sample kwekọrọ na nke ahụ sitere na ngwọta Standard, dị ka enwetara na Assay.
ASSAY
• Usoro
Usoro mkpanaaka: Jiri mmiri oyiri eme ihe.
Ngwọta dabara adaba na sistemụ: Kwadebe ngwọta nwere 4.8 mg / g nke USP Sorbitol RS na mannitol ọ bụla.
Ngwọta ọkọlọtọ: 4.8 mg / g nke USP Sorbitol RS
Ngwọta nlele: igbari 0.10 g nke Sorbitol n'ime mmiri ma gbanye mmiri na 20g.Dekọọ ibu ngwọta ikpeazụ, ma gwakọta nke ọma.
Sistemụ chromatographic
(Lee Chromatography <621>, Kwesịrị ekwesị Sistemu.)
Ụdị: LC
Nchọpụta: Ntụgharị uche
Ogidi: 7.8-mm x 10-cm;mbukota L34
Okpomọkụ
Ogidi: 50±2°
Ihe nchọpụta: 35°
Ọnụego mmiri: 0.7 ml/min
Nha igba ogwu: 10 μL
Sistemu kwesịrị ekwesị
Nlereanya: Ngwọta dabara adaba na sistemụ yana ngwọta ọkọlọtọ [MARA-Oge njigide maka mannitol na sorbitol bụ ihe dịka 0.6 na 1.0, n'otu n'otu.]
Kwesịrị ekwesị chọrọ
Mkpebi: NLT 2.0 n'etiti sorbitol na mannitol, usoro dabara adaba ngwọta
Ọkọlọtọ emetụtara: NMT 2.0%, Ọkọlọtọ ngwọta
Nyocha
Ihe atụ: Ngwọta ọkọlọtọ na ngwọta nlele
Gbakọọ pasent, n'ụdị anhydrous, nke D-sorbitol na akụkụ nke Sorbitol were:
Nsonaazụ = (rU/rS) x (CS/CU) x (100/(100 -W)) x 100
rU= nzaghachi kacha elu sitere na ngwọta Sample
rS= nzaghachi kacha elu sitere na ngwọta Standard
CS = itinye uche nke USP Sorbitol RS na ngwọta ọkọlọtọ (mg/g)
CU = itinye uche nke Sorbitol na ngwọta nlele (mg/g)
W= pasent nke enwetara na ule maka Mkpebi Mmiri
Ụkpụrụ nnabata: 91.0%-100.5% na ndabere anhydrous
IHE adịghị ọcha
• LIMITOF NICK
Ngwọta nlele: Igbari 20.0 g nke Sorbitol na acetic acid diluted, wee jiri acetic acid diluted mee ka ọ bụrụ 150 ml.
Ihe ngwọta efu: 150 ml nke acetic acid diluted
Ngwọta ọkọlọtọ: Kwadebe ngwọta atọ site n'ịgbakwunye 0.5, 1.0, na 1.5 ml nke nickel standard solution TS na 20.0 g nke Sorbitol gbazere na acetic acid diluted, ma gbanye otu ihe mgbaze na 150 ml.
Ọnọdụ akụrụngwa
(Lee Spectrophotometry na Mgbasa ọkụ <851>)
Ụdị: spectrophotometry absorption atom
Ogologo ebili mmiri nyocha: 232.0 nm
oriọna: Nickel hollow-cathode
Ọkụ: Air-acetylene
Nyocha
Ihe atụ: Ngwọta ọkọlọtọ na ngwọta nlele
Na nke ọ bụla sample tinye 2.0 ml nke a jujuru ammonium pyrrolidinedthiocarbamate ngwọta (nwere 10g/L nke ammonium pyrrolidinedthiocarbamate) na 10.0 ml nke methyl isobutyl ketone, na ịma jijiji maka 30 s.Chebe pụọ na ìhè na-egbuke egbuke.Kwe ka akwa abụọ ahụ kewaa, ma jiri methyl isobutyl ketone oyi akwa.Tọọ ngwa ahụ ka ọ bụrụ efu site na iji oyi akwa si na ngwọta oghere.
N'otu oge chọpụta absorbances nke organic oyi akwa si Sample opekata mpe ugboro atọ ọ bụla.Dekọọ nkezi nke ọgụgụ na-aga n'ihu maka nke ọ bụla n'ime ọkọlọtọ ọkọlọtọ na ngwọta Sample.N'etiti nha nke ọ bụla, chọọ oyi akwa organic site na ngwọta oghere, wee chọpụta na ọgụgụ ahụ na-alaghachi na efu.Chee echiche nnabata nke ngwọta Standard yana ihe ngwọta Sample na ọnụọgụ nickel agbakwunyere.
Extrapolate ahịrị ijikọ isi ihe dị na eserese ahụ ruo mgbe ọ zutere axis itinye uche.Ebe dị n'etiti ebe a na nkwụsị nke axes na-anọchite anya ntinye nke nickel na ngwọta Sample.
Usoro nnabata: NMT 1 ppm
• MKWAGHỊ MGBE KWESỊRỊ <281>: NMT 0.1%, kpebisiri ike na akụkụ 1.5g
Mbelata shuga
[IHE-Ogo ekpebisiri ike na ule a esonyeghị na ego a gbakọrọ n'okpuru adịghị ọcha ndị ọzọ na ọkwa izugbe.]
Ngwọta nlele: gbazee 3.3 g nke Sorbitol na 3 ml mmiri site n'enyemaka nke ọkụ dị nro.Jụụ, ma tinye 20.0 ml nke cupric citrate TS na obere iko iko.Kpoo ọkụ ka esi amalite mgbe nkeji 4 gachara, ma nọgide na-esi esi maka nkeji 3.Jụọ ngwa ngwa, tinye 40 ml nke acetic acid diluted, 60 ml mmiri, na 20.0 ml nke 0.05 N iodine VS.Site na ịma jijiji na-aga n'ihu, tinye 25 ml nke ngwakọta nke 6 ml hydrochloric acid na 94 ml mmiri.
Nyocha: Mgbe mmiri ozuzo gbazere, titrate ngafe nke ayodiin na 0.05 N sodium thiosulfate VS na-eji 2mL nke starch TS, gbakwunyere na njedebe nke titration, dị ka ihe ngosi.
Usoro nnabata: NLT 12.8 ml nke 0.05 N sodium thiosulfate VS chọrọ, dabara na NMT 0.3% nke ibelata shuga, dị ka glucose.
• CHLORIDEAND SULFATE, Chloride <221> (ọ bụrụ na akpọrọ ya maka iji na-akwadebe ụdị usoro onunu ogwu)
Ihe atụ: 1.5 g
Usoro nnabata: Ihe nlele ahụ egosighi chloride karịa ka dabara na 0.10 ml nke 0.020 N hydrochloric acid (NMT 0.0050%).
• CHLORIDEAND SULFATE, Sulfate <221> (ọ bụrụ na akpọrọ ya maka iji na-akwadebe ụdị doses nke parenteral)
Ihe atụ: 1.0 g
Usoro nnabata: Ihe nlele ahụ egosighi sulfate karịa dabara na 0.10 ml nke 0.020 N sulfuric acid (NMT 0.01%).
Nnwale akọwapụtara
• MICROBIAL ENUMERATION TESTS <61> na Ule maka MICROORGANISMS akọwapụtara <62>: Ngụkọta ikuku ikuku na-eji usoro Plate bụ NMT 1000 cfu/g, yana ngụkọta nke ebu na yeasts jikọtara ọnụ bụ NMT 100 cfu/g.
• PH <791>: 3.5-7.0, na ngwọta 10% (w / w) na mmiri na-enweghị carbon dioxide.
• Mkpebi mmiri, Usoro I <921>: NMT 1.5%
CLARITYAND COLOROF SOLUTION(ọ bụrụ na akpọnyere ya maka iji na-akwadebe ụdị usoro onunu ogwu)
Ihe atụ: 10.0 g
Nyocha: Gbarie ihe nlele ahụ na 100.0 ml nke mmiri na-enweghị carbon dioxide.
Usoro nnabata: Ihe ngwọta doro anya na enweghị agba.
• BACTERIAL ENDOTOXINS TEST <85> (ma ọ bụrụ na akpọrọ ya maka iji na-akwadebe ụdị doses nke parenteral): NMT 4 USP Endotoxin Units / g maka ụdị usoro ọgwụgwọ parenteral nwere mkpokọta ihe na-erughị 100g / L nke sorbitol, yana NMT 2.5 USP Endotoxin Units/g Maka usoro onunu ogwu nke parenteral nwere ntinye nke 100 g / l ma ọ bụ karịa nke sorbitol.
NKWUO GBASARA YA
• Nkwakọba nkwakọba: Chekwaa n'ime akpa mechiri emechi nke ọma.Ọnweghị ihe nchekwa achọrọ akọwapụtara.
• akara: Sorbitol ezubere maka iji na-akwadebe ụdị usoro onunu ogwu ka akpọrọ ya.
Ụkpụrụ ntụaka USP <11>
USP Endotoxin RS
USP Sorbitol RS
ngwugwu: Fluorinated karama, 25kg / akpa, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Chekwaa n'ime akpa mechiri emechi n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na ikuku ikuku na-anọghị n'ihe na-ekwekọghị ekwekọ.Chebe site na ìhè na mmiri mmiri.
Kedu ka esi azụta?Biko kpọtụrụDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Ahụmịhe afọ 15?Anyị nwere ihe karịrị 15 afọ nke ahụmahụ na mmepụta na mbupụ nke a dịgasị iche iche nke elu mma pharmaceutical intermediates ma ọ bụ ezi kemịkal.
Isi ahịa?Na-ere ahịa ụlọ, North America, Europe, India, Korea, Japanese, Australia, wdg.
Uru?Ogo kachasị elu, ọnụ ahịa dị ọnụ ala, ọrụ ọkachamara na nkwado teknụzụ, nnyefe ngwa ngwa.
OgoNkwenye?Usoro njikwa mma siri ike.Ngwá ọrụ ọkachamara maka nyocha gụnyere NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, wdg.
Ihe atụ?Ọtụtụ ngwaahịa na-enye ihe nlele efu maka nyocha dị mma, ndị ahịa kwesịrị ịkwụ ụgwọ mbupu.
Nyocha ụlọ ọrụ?Nnabata nyocha ụlọ ọrụ.Biko mee oge oge tupu oge eruo.
MOQ?Enweghị MOQ.A na-anabata obere usoro.
Oge Mbuga ozi? Ọ bụrụ n'ime ngwaahịa, ekwenyere nnyefe ụbọchị atọ.
Ụgbọ njem?Site Express (FedEx, DHL), nke ikuku, site n'oké osimiri.
Akwụkwọ?Mgbe ọrụ ahịa gasịrị: COA, MOA, ROS, MSDS, wdg nwere ike ịnye.
Synthesis omenala?Nwere ike ịnye ọrụ nhazi ahaziri iche ka ọ dabara mkpa nyocha gị nke ọma.
Usoro ịkwụ ụgwọ?A ga-ebu ụzọ ziga akwụkwọ ọnụahịa Proforma mgbe nkwenye nke iwu, kpuchiri ozi ụlọ akụ anyị.Ịkwụ ụgwọ site na T/T (Telex Nyefee), PayPal, Western Union, wdg.
D-Sorbitol (CAS: 50-70-4) bụ mmanya shuga polyhydric na-adịghị agbanwe agbanwe.Ọ kwụsiri ike na kemịkalụ na ọ naghị adị mfe ikuku oxidized.Ọ na-adị mfe mgbaze na mmiri, ethanol na-ekpo ọkụ, methanol, isopropanol, mmanya butanol, cyclohexanol, phenol, acetone, acetic acid na dimethyl formamide.Ọ dịghị mfe ịbụ ụdị microorganism dị iche iche gbaa ụka ma nwee ezigbo nguzogide okpomọkụ.Boussingault (French) et al na-ekewapụ ya na strawberry ugwu.Uru pH nke ngwọta mmiri juru eju bụ 6 ruo 7. Ọ bụ isomer nke mannitol, mmanya Taylor, na mmanya galactose.Ọ nwere uto na-enye ume ọhụrụ yana ụtọ bụ 65% nke sucrose.Ọ nwere ikike nnabata mmiri dị mma yana uru calorific dị ala ma nwee mmetụta dị ukwuu na nri, ịchọ mma, ubi ọgwụ.Mgbe etinyere na nri, ọ nwere ike igbochi nri ihicha, ịka nká, na ike ịgbatị ndụ shelf nke ngwaahịa yana n'ụzọ dị irè gbochie ọdịda nke sugars na salts ẹdude ke nri ma si otú ịnọgide na-enwe ike itule nke sweetness, utoojoo, ilu na. welie nri ekpomeekpo .Enwere ike ime ya site na hydrogenation nke glucose n'okpuru kpo oku na nrụgide dị elu na ịdị adị nke nickel catalyst.
Isi ojiji nke D-Sorbitol ntụ ntụ
1. Daily Chemical Industry
Enwere ike iji sorbitol mee ihe dị ka ihe na-enye nri, ihe na-eme ka mmiri dị nro, na ihe na-egbochi friza na ncha eze, nke agbakwunyere bụ ihe ruru 25 ruo 30%.Nke a nwere ike inye aka ịnọgide na-enwe mmanu, agba, na ụtọ dị mma maka mado ahụ.N'ọhịa ịchọ mma, a na-eji ya dị ka onye na-egbochi ihicha (glycerol dochie anya) nke nwere ike ime ka mgbatị na mmanu nke emulsifier dịkwuo mma, ma si otú a dị mma maka nchekwa ogologo oge;Sorbitan esters na sorbitan fatty acid ester yana ethylene oxide adducts nwere uru nke obere mgbakasị anụ ahụ nke a na-ejikarị eme ihe na ụlọ ọrụ ịchọ mma.
2. Ụlọ ọrụ nri
Sorbitol bụ hygroscopic, onye na-ejigide mmiri nke a na-eji na-emepụta chịngọm na ihe oriri na-edozi ahụ iji mee ka nri dị nro, meziwanye anụ ahụ ma belata ike nke ájá.A na-emetụtakarị nri, nke a na-eji na-emepụta swiiti na-enweghị shuga yana mpempe akwụkwọ nlekọta ahụike (nwere ibe).Ịtinye sorbitol n'ime nri nwere ike igbochi ihicha nri ma mee ka nri dị ọhụrụ ma dị nro.Ngwa na achịcha achịcha nwere mmetụta dị ịrịba ama.Ihe na-atọ ụtọ ma ọ bụ ihe na-egbochi ịta chịngọm na-enweghị shuga, chocolate flavored icing maka ime ice cream na swiiti, nke a na-eji na mmanya, swiiti, ịsa achịcha na nri ndị ọzọ.
Ụtọ nke sorbitol dị ala karịa nke sucrose, nje bacteria enweghị ike irigbu ya.Ọ bụ akụrụngwa dị mkpa maka imepụta swiiti na-enweghị shuga na nri dị iche iche na-egbochi caries.Ebe ọ bụ na metabolism nke ngwaahịa anaghị eme ka mmụba nke shuga dị n'ọbara, enwere ike itinye ya dị ka onye na-atọ ụtọ na onye na-edozi nri maka nri ndị ọrịa nwere ọrịa shuga.
Sorbitol enweghị otu aldehyde na ọ naghị adị ngwa ngwa oxidized.Ọ gaghị enwe mmeghachi omume Maillard na amino acid mgbe ọ na-ekpo ọkụ.O nwekwara ụfọdụ ọrụ physiological.Ọ nwere ike igbochi denaturation nke carotenoids na abụba oriri na protein;ịgbakwụnye ngwaahịa a na mmiri ara ehi etinyere nwere ike ịgbatị ndụ nchekwa;enwere ike iji ya mee ka agba, ekpomeekpo na uto nke obere eriri afọ ma nwee mmetụta nkwụsi ike na ogologo oge nchekwa mmetụta na pate azụ.A pụkwara ịhụ mmetụta yiri nke ahụ na jam.
3. Ụlọ ọrụ na-emepụta ọgwụ
Enwere ike iji sorbitol mee ihe dị ka akụrụngwa na vitamin C;nwekwara ike iji dị ka nri sirop, injection mmiri, na akụrụngwa nke ọgwụ mbadamba;dị ka onye na-ekesa ọgwụ na ndị na-ejuputa, cryoprotectants, anti-crystalizing agent, ọgwụ stabilizers, wetting agents, capsules plasticized agents, sweetening agents, and ointment matrix.
A na-ejikwa sorbitol na-emepụta capsules softgel iji chekwaa otu dose nke ọgwụ mmiri mmiri. Ọgwụgwọ maka hyperkalemia (potassium ọbara dị elu) na-eji sorbitol na ion-exchange resin sodium polystyrene sulfonate.
4. Ụlọ ọrụ Chemical
A na-ejikarị sorbitol abietin eme ihe dị ka ihe eji eme ihe maka mkpuchi ụlọ, a na-ejikwa ya dị ka plasticizers na lubricants maka ngwa na polyvinyl chloride resin na polymers ndị ọzọ.
Ọ nwere ike site na mgbagwoju ya na ígwè, ọla kọpa, na aluminom ion na ngwọta alkaline ka etinyere ya na ịsacha na ịcha ọcha na ụlọ ọrụ textile.
Iji sorbitol na propylene oxide dị ka ihe mmalite nwere ike ịmepụta ụfụfụ polyurethane siri ike yana nwee ụfọdụ ihe na-egbochi ọkụ.
5. Ụlọ ọrụ ịchọ mma:
Na ịchọ mma ọrụ juru ebe niile ngwa.
Sorbitol bụ otu ụdị kemịkalụ ụlọ ọrụ na-agbanwe agbanwe, ọ nwere ọrụ zuru oke na nri, kemịkalụ kwa ụbọchị, ọgwụ, wdg, enwere ike iji ya dị ụtọ ụtọ, ihe ụtọ, antiseptik wdg, n'otu oge nwere ikike nri polyols, dị ka obere okpomọkụ bara uru, obere shuga, na-eche nche megide mmetụta na na.
6. Enwere ike iji D-Sorbitol mee ihe ụtọ maka ndị ọrịa shuga.Ọ nwere ezigbo nchekwa ọkụ, nguzogide acid na enweghị fermentability.
7. Ndị ọzọ:
Iji dochie glycerin iji mepụta ntacha eze, mannitol polyurethane, mannitol anhydride oleate, ngwọta electrolytic nke electrolytic capacitors, na ezigbo omenala omenala maka ụfọdụ microorganisms.
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D-Sorbitol CAS 50-70-4 Assay 97.0 ~ 100.5% Ihe kpatara ...
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D-(-)-Lactic Acid CAS 10326-41-7 Assay 89.0%~91...
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D-(-)-Leucinol CAS 53448-09-2 Ịdị ọcha>98.5% (GC...
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D-(-)-Ribose CAS 50-69-1 Assay 97.0 ~ 102.0% AJI ...
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D-(-)-Tartaric Acid CAS 147-71-7 Assay 99.5% ~ 10...
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Diethyl D (-) -Tartrate CAS 13811-71-7 Ọcha ≥9...
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Dimethyl D-(-)-Tartrate CAS 13171-64-7 Optical ...
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Benzyl D-(-)-Mandelate CAS 97415-09-3 Assay ≥98...
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(R)-(-)-Methyl Mandelate;Methyl D-(-)-Mandela...
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DL-Alanine CAS 302-72-7 (H-DL-Ala-OH) Assay 98....
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D-Phenylalanine CAS 673-06-3 (HD-Phe-OH) Nyocha…
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L-Carnosine CAS 305-84-0 (β-Alanyl-L-Histidine)...
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D-Alaninol CAS 35320-23-1 (HD-Ala-Ol) Ịdị ọcha >...
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D-Prolinol CAS 68832-13-3 Ịdị ọcha>99.0% (GC) E....
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L-Tryptophan CAS 73-22-3 (H-Trp-OH) Assay 98.5 ~...
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Inosine CAS 58-63-9 Assay 98.0 ~ 102.0% Ụlọ ọrụ H ...