Xylitol CAS 87-99-0 Assay 98.5 ~ 101.0% Ụlọ ọrụ dị elu
Shanghai Ruifu Chemical Co., Ltd. bụ otu n'ime ndị na-eduga suppliers nke Xylitol (CAS: 87-99-0) na elu àgwà, mmepụta ike 15000 tọn kwa afọ.A na-ere Xylitol n'ahịa ụlọ na nke mba ọzọ, ndị ahịa anyị tụkwasịrị obi nke ukwuu.Anyị nwere ike ịnye nnyefe zuru ụwa ọnụ, obere na nnukwu ọnụọgụ dị.Ọ bụrụ na ị nwere mmasị na Xylitol (CAS: 87-99-0),Please contact: alvin@ruifuchem.com
| Aha Chemical | Xylitol |
| Ụdị okwu | meso-Xylitol;Xylite;xylite (sugar);Xyliton;C-Xylidex;DL-Xylitol;Osisi Sugar mmanya;Xylisorb;xylo-Pentitol;1,2,3,4,5-Pentahydroxypentane;(2R,3R,4S)-Pentane-1,2,3,4,5-Pentanol. |
| Ọnọdụ Ahịa | N'ahịa, ikike nrụpụta 15000 tọn kwa afọ |
| Nọmba CAS | 87-99-0 |
| Usoro ihe omimi | C5H12O5 |
| Ibu molekụla | 152.15 |
| Ebe Na-agbaze | 93.0 ~ 95.0 ℃ (ọkụ) |
| Ebe esi nri | 215.0 ~ 217.0 ℃ |
| Njupụta | 1.515 |
| Mmetụta | Hygroscopic |
| Mmiri Solubility | Soluble nke ukwuu n'ime mmiri, ọ fọrọ nke nta ka ọ bụrụ nghọta |
| Solubility | Na-agbaze ntakịrị na ethanol (95).Na-adịghị edozi na Ether. |
| Okpomọkụ nchekwa. | Edechiri ya na nkụ, na-echekwa na okpomọkụ ụlọ |
| COA & MSDS | Dị |
| Ụdị | Ruifu Chemical |
| Koodu egwu | Xi | RTECS | ZF080000 |
| Nkwupụta ihe egwu | 36/37/38 | F | 3 |
| Nkwupụta nchekwa | 24/25-36-26 | TSCA | Ee |
| WGK Germany | 2 | Koodu HS | 2905491000 |
| Ihe | Ụkpụrụ nyocha | Nsonaazụ |
| Ọdịdị | Crystal White ma ọ bụ ntụ ntụ kristal | Dabara |
| Isi na uto | Enweghị isi ma nwee ụtọ ụtọ | Dabara |
| njirimara | Infrared absorption Spectrum | Dabara |
| Ebe Na-agbaze | 93.0 ~ 95.0 ℃ | 94.0 ℃ |
| Ịdị ọcha na agba nke ngwọta | Dị ọcha na enweghị agba (5.0g na 10ml nke H2O) | Dabara |
| Chloride (Cl) | ≤0.005% | <0.005% |
| Sulfate (SO4) | ≤0.005% | <0.005% |
| Ọla dị arọ (dị ka Pb) | ≤5ppm | <5ppm |
| Arsenic (As2O3) | ≤1pm | <1pm |
| Nickel | ≤1pm | <1pm |
| Ndu | ≤0.5pm | <0.5pm |
| Na-ebelata shuga | ≤0.20% | <0.20% |
| Oke nke Polyols ndị ọzọ | ≤1.00% (na Anhydrous ndabere) | <1.00% |
| Mmiri | ≤0.50% | 0.16% |
| Ihe fọdụrụ na mgbanye (Sulfated) | ≤0.10% | 0.04% |
| Xylitol nyocha | 98.5 ruo 101.0% (na Anhydrous ndabere) | 99.7% |
| pH | 5.0 ruo 7.0 (5.0g na 10ml nke H2O) | Dabara |
| Endotoxin nke nje bacteria | ≤4.0EU/g | <4.0EU/g |
| Ngụkọta ọnụ ọgụgụ efere | ≤1000cfu/g | <10 CFU/g |
| Coliform | <3MPN/g | <3MPN/g |
| Mkpokọta yist & ebu | ≤100 CFU/g | <10 CFU/g |
| Salmonella | Ihe ọjọọ | Ihe ọjọọ |
| Mmechi | Dị na ọkọlọtọ FCCV / USP / JP / ChP2015 | |
| Isi ojiji | Ihe mgbakwunye nri ụtọ;wdg. | |
Xylitol (CAS: 87-99-0) USP39-NF34
Nkọwa
Xylitol nwere NLT 98.5% na NMT 101.0% nke C5H12O5, gbakọọ na anhydrous ndabere.
Nchọpụta
• A. INFRARED ABSORPATION <197K>
Nlereanya: Ekebeghị
• B. Oge njide nke elu Xylitol nke ngwọta Sample kwekọrọ na nke Standard Solution, dị ka enwetara na Assay.
ASSAY
• Usoro
Usoro mkpanaka: Acetonitrile na mmiri (20:80)
Ngwọta nke dabara na sistemụ: 2.5mg/mL nke USP Galactitol RS na 25mg/mL nke USP Xylitol RS na usoro mkpanaka.
Ngwọta ọkọlọtọ: 25mg/mL nke USP Xylitol RS na usoro mkpanaka
Ngwọta nlele: 25mg/mL nke Xylitol na usoro mkpanaka
Sistemụ chromatographic
(Lee Chromatography <621>, Kwesịrị ekwesị Sistemu.)
Ụdị: LC
Ihe nchọpụta: UV 192 nm
Ogidi: 8.0-mm x 30-cm;7-μm nkwakọ ngwaahịa L34
Okpomọkụ kọlụm: 80°
Onu ogugu: 0.5ml/min
Nha igba ogwu: 25μL
Sistemu kwesịrị ekwesị
Nlereanya: Ngwọta dabara adaba sistemụ na ngwọta ọkọlọtọ
[IHE-Oge njide xylitol na galactitol dị ihe dịka 1.0 na 1.10, n'otu n'otu.]
Kwesịrị ekwesị chọrọ
Mkpebi: NLT 2.0 n'etiti galactitol na xylitol, Ngwọta dabara adaba sistemụ
Ọkọlọtọ emetụtara: NMT 2.0%, Ọkọlọtọ ngwọta
Nyocha
Ihe atụ: Ngwọta ọkọlọtọ na ngwọta nlele
Gbakọọ pasent xylitol (C5H12O5) n'akụkụ nlele ewepụtara:
Nsonaazụ = (rU/rS) x (CS/CU) x 100
rU= nzaghachi kacha elu nke xylitol sitere na ngwọta Sample
rs= nzaghachi kacha elu nke xylitol sitere na ngwọta Standard
CS = ntinye uche nke USP Xylitol RS na ngwọta ọkọlọtọ (mg/mL)
CU = itinye uche nke ngwọta nlele (mg/mL)
Usoro nnabata: 98.5% -101.0% na ndabere anhydrous
IHE adịghị ọcha
• MGBAnye ihe fọdụrụ <281>: NMT 0.5%
Hichapụ ihe ndị a:
• Ọla dị arọ <231>: NMT 10ppm, na-eji 2g Xylitol agbaze na 25mL mmiri • (Official 1-Jan-2018)
• Ịbelata shuga
Ihe atụ: 500mg
Nyocha: Gbarie Sample na mmiri 2.0ml n'ime flask conical 10-mL.N'ime efere yiri nke ahụ, pipet 2ml nke ngwọta dextrose 0.5mg/mL.N'ime ite ọ bụla, tinye 1 ml nke alkaline cupric tartrate TS, kpoo ka ọ sie, ma dị jụụ.
Nkwenye nnabata: Ọgba aghara ọ bụla na flask xylitol bụ NMT nke dị na flask dextrose, nke ụdị na-acha ọbara ọbara na-agba aja aja (0.2% na-ebelata shuga, dị ka dextrose).
• OKWU POLYL ndị ọzọ
Usoro mkpanaka: Acetonitrile na mmiri (20:80)
Usoro dabara adaba: 0.5mg/mL nke ọ bụla nke USP L-Arabinitol RS, USP Galactitol RS, USP Mannitol RS, na USP Sorbitol RS, na 100mg / mL nke USP Xylitol RS na usoro mkpanaaka.
Ngwọta ọkọlọtọ: 0.5mg/mL nke ọ bụla nke USP L-Arabinitol RS, USP Galactitol RS, USP Mannitol RS, na USP Sorbitol RS na usoro mkpanaka.
Ngwọta nlele: 100mg / ml nke Xylitol na usoro mkpanaka
Sistemụ chromatographic
(Lee Chromatography <621>, Kwesịrị ekwesị Sistemu.)
Ụdị: LC
Ihe nchọpụta: UV 192 nm
Ogidi: 8.0-mm x 30-cm;7-μm nkwakọ ngwaahịa L34
Okpomọkụ kọlụm: 80°
Onu ogugu: 0.5ml/min
Nha igba ogwu: 25μL
Sistemu kwesịrị ekwesị
Nlereanya: Ngwọta dabara adaba sistemu na ngwọta ọkọlọtọ
[IHE-Oge njide ikwu maka L-arabinitol, mannitol, xylitol, galactitol, na sorbitol dị ihe dịka 0.76, 0.81, 1.0, 1.12, na 1.22, n'otu n'otu.]
Kwesịrị ekwesị chọrọ
Mkpebi: NLT 1.5 n'etiti ọnụ ọnụ polyol niile dị n'akụkụ, ngwọta dabara adaba sistemụ
Ntugharị ọkọlọtọ dị: NMT 5.0% maka ọnụ ọgụgụ galactitol, ngwọta ọkọlọtọ
Nyocha
Ihe atụ: Ngwọta ọkọlọtọ na ngwọta nlele
Gbakọọ pasent nke polyol ọ bụla (L-arabinitol, galactitol, mannitol, ma ọ bụ sorbitol) na akụkụ nke nlele ewere:
Nsonaazụ = (rU/rS) x (CS/CU) x 100
rU= nzaghachi kacha elu nke polyol onye ọ bụla sitere na ngwọta Sample
rS= nzaghachi kacha elu nke polyol onye ọ bụla sitere na ngwọta ọkọlọtọ
CS = itinye uche nke polyol n'otu n'otu na ngwọta ọkọlọtọ (mg/mL)
CU = itinye uche nke ngwọta nlele (mg/mL)
Usoro nnabata: Nchikota nke polyols bụ NMT 2.0%, gbakọọ na usoro anhydrous.
Nnwale akọwapụtara
• Mkpebi mmiri, Usoro I <921>: NMT 0.5%
NKWUO GBASARA YA
• Nkwakọba nkwakọba: Chekwaa n'ime akpa mechiri emechi nke ọma.
• Ụkpụrụ ntụaka USP <11>
USP L-Arabinitol RS
USP Galactitol RS
USP Mannitol RS
USP Sorbitol RS
USP Xylitol RS
Xylitol (CAS: 87-99-0) JP16
Xylitol, mgbe akpọnwụwo, nwere ihe na-erughị 98.0% nke C5H12O5.
Nkọwa Xylitol pụtara dị ka kristal ọcha ma ọ bụ ntụ ntụ.Ọ naghị esi ísì ma nwee ụtọ ụtọ.
Ọ na-agbaze nke ukwuu na mmiri, soluble ntakịrị na ethanol (95).
Ọ bụ hygroscopic.
Nchọpụta (1) na 1 ml nke ngwọta nke Xylitol (1 na 2) tinye 2 ml nke ígwè (II) sulfate TS na 1 ml nke ngwọta nke sodium hydroxide (1 na 5): a na-emepụta agba na-acha anụnụ anụnụ na-enweghị turbidity. .
(2) Kpebie ụdị mmịpụta infrared nke Xylitol, nke a mịrị amịburu, dị ka eduzi ya na usoro potassium bromide disk n'okpuru Infrared Spectrophotometry <2.25>, wee jiri ụdịdị dị iche iche na nkọwapụta nkọwa: ụdịdị abụọ ahụ na-egosipụta ike nke absorption n'otu ọnụọgụ ebili mmiri ahụ. .
pH <2.54> Igbari 5.0 g nke Xylitol na 10 ml nke mmiri sie ọhụrụ na mma: pH nke ngwọta a dị n'etiti 5.0 na 7.0.
Ebe mgbaze <2.60> 93.0-95.0 ℃
Ịdị ọcha (1) Ịdị ọcha na agba nke ngwọta-Gbasa 5 g nke Xylitol na 10 ml mmiri: ngwọta doro anya na enweghị agba.
(2) Chloride <1.03>-Mee ule na 2.0 g nke Xylitol.Kwadebe ngwọta nchịkwa na 0.30 ml nke 0.01 mol / L hydrochloric acid VS (ọ bụghị karịa 0.005%).
(3) Sulfate <1.14>-Mee ule na 4.0 g nke Xylitol.Kwadebe ngwọta nchịkwa na 0.50 ml nke 0.005 mol / L sulfuric acid VS (ọ bụghị karịa 0.006%).
(4) Ọla dị arọ <1.07>-Gaa n'ihu na 4.0 g nke Xylitol dị ka usoro 1 si dị, wee mee ule ahụ.Kwadebe ngwọta njikwa na 2.0 ml nke Standard Lead Solution (ọ bụghị karịa 5 ppm).
(5) Nickel-gbari 0,5 g nke Xylitol na mmiri 5 ml, tinye 3 tụlee nke dimethylglioxime TS na 3 tụlee nke amonia TS, ma kwe ka iguzo maka nkeji 5: ọ dịghị agba uhie na-emepụta.
(6) Arsenic <1.11> - Kwadebe ngwọta ule na 1.5 g nke Xylitol dị ka usoro 1 si dị, ma mee ule ahụ (ọ bụghị karịa 1.3 ppm).
(7) Sugars-gbari 5.0 g nke Xylitol na mmiri 15 ml, tinye 4.0 ml nke dilute hydrochloric acid, na ikpo ọkụ n'ime mmiri ịsa ahụ maka awa 3 n'okpuru condenser reflux.Mgbe ọ dị jụụ, wepụ ya na sodium hydroxide TS (ihe ngosi: 2 tụlee nke methyl oroma TS).Mgbe ahụ, tinye mmiri ka ọ mee 50 ml, nyefee 10 ml nke ngwọta a na flask, tinye 10 ml mmiri na 40 ml nke Fehling's TS, sie nwayọọ maka nkeji 3, ma kwe ka guzoro ka ọ na-ebuli ọla kọpa (I) oxide.Wepu mmiri dị elu site na nzacha iko (G4), wee jiri mmiri ọkụ na-asa mmiri ahụ ruo mgbe ịsacha ikpeazụ anaghị egosi alkalinity.Wepụta nzacha ndị a site na nzacha iko a kpọtụrụ aha n'elu.Gbanyụọ ihe nrịbama na flask na 20 ml nke iron (III) sulfate TS, nyochaa ihe ngwọta site na nzacha iko a kpọtụrụ aha n'elu, saa mmiri, jikọta nzacha na filtrate, kpoo ọkụ na 80 ℃, na titrate <2.50> na 0.02 mol/L potassium permanganate VS: ọ bụghị ihe karịrị 1.0mL nke 0.02 mol/L potassium permanganate VS na-eri.
Ọnwụ na ihicha <2.41> Ọ bụghị ihe karịrị 1.0% (1 g, na oghere, phosphorus (V) oxide, awa 24).
Ihe fọdụrụ na mgbanye <2.44> Ọ bụghị karịa 0.1% (1 g).
Nyochaa nha nke ọma ihe dịka 0.2 g nke Xylitol, nke a mịrị amị na mbụ, gbazee na mmiri iji mee kpọmkwem 100 ml.Tinye 10 ml nke ngwọta a n'ime flask ayodiin, tinye 50 ml nke potassium periodate TS kpọmkwem, na kpoo n'ime mmiri ịsa ahụ maka nkeji iri na ise.Mgbe ọ dị jụụ, tinye 2.5 g nke potassium iodide, nkwụsịtụ, maa jijiji nke ọma, kwe ka guzoro maka nkeji 5 n'ebe gbara ọchịchịrị, na titrate <2.50> na 0.1 mol/L sodium thiosulfate VS (egosi: 3 ml nke starch TS).Mee mkpebi efu.
Otu ml nke 0.1 mol/L sodium thiosulfate VS ＝1.902 mg nke C5H12O5
Ebube na ihe nchekwa-akpa ndị siri ike.
ngwugwu: Aluminom foil bag, 25kg / bag, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Hygroscopic.Chekwaa n'ime akpa mechiri emechi n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na ikuku ikuku na-anọghị n'ihe na-ekwekọghị ekwekọ.Chekwaa pụọ na ihe ndị na-egbu egbu, mmiri / mmiri.
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Xylitol (CAS: 87-99-0) bụ ọkacha mmasị nke polyols niile.Ọ na-atọ ụtọ dị ka sucrose, ọ nweghị ihe na-atọ ụtọ, ọ dịkwa mma maka ndị ọrịa mamịrị.Xylitol nwere 40% obere kalori karịa shuga.Ya mere, na EU na United States, uru kalori nke akwụkwọ nri na-edozi ahụ nabatara bụ 2.4 kcal/g.Na ngwa crystallization, ọ na-enye mmetụta dị jụụ eke dị ụtọ ma e jiri ya tụnyere polyols ndị ọzọ.Ọ bụ naanị ihe ụtọ na-egosi mmetụta mgbochi caries na-agafe agafe na nke na-arụ ọrụ.Ndị nchịkwa nri na ọgwụ US ekewa Xylitol dị ka ihe mgbakwunye nri.
Xylitol bụ ihe na-atọ ụtọ nke nwere uru nri, yana ọ bụkwa ihe dị n'etiti metabolism nke carbohydrate mmadụ.A na-emepụta xylitol azụmahịa site na nhazi miri emi nke ihe ọkụkụ a kụrụ n'ubi dịka ọka cob na bagasse.Ọ bụ ihe ụtọ eke na ahụike.
Ọrụ na Ngwa nke Xylitol (CAS: 87-99-0)
1. Iji mepụta chịngọm, ịta chịngọm, toffee, swiiti dị nro, jelii, chocolate, mbadamba ihe na ihe ndị ọzọ, nwere ike ime ka akpịrị dị jụụ, hichaa ezé ma bụrụ mgbochi cariogenic.
2. N'ịbụ kama sucrose ịgbakwunye na soft drinks, mmiri ara ehi, achịcha, echekwara mkpụrụ osisi, biscuit, yoghurt, jam, porridge na wdg, na-adị ogologo & mma ụtọ uto n'ihi na-abụghị fermentability site yist.
3. Agbakwunyere na ngwaahịa ịchọ mma na ntanye eze, enweghị mmetụta nnyapade na ume ọhụrụ.Xylitol nwere ike idebe mmiri ma melite akpụkpọ ahụ siri ike dị ka glycerin.
4. Xylitol, dị ka ihe kacha mma dochie sweetener maka ọrịa shuga, nwere ike ọtụtụ-eji na ihe ọṅụṅụ ọṅụṅụ, kọfị, mmiri ara ehi, achịcha, swiiti na ndị ọzọ sugarless nri.
5. Ọ bụ ihe na-adịghị mma maka microorganism na-enweghị ike ịgbakọ ya site na yist.Enwere ike idobe nri na Xylitol ogologo oge na-enweghị ihe nchekwa ọ bụla.
6. Xylitol nwere ike kwalite omume nke salutary germs ma melite mgbochi ahụ.Xylitol nwere ike ịmịnye ọtụtụ isi karịa polyols ndị ọzọ, yabụ nri na-eme xylitol nwere uto dị mma ma debe ụtọ nri mbụ.
7. Ịbụ ezigbo nnọchi nke sucrose, ime efere dị ka utoojoo & anụ ezi ma ọ bụ azụ dị ụtọ, dị mma maka ndị ọrịa mamịrị.Ndụmọdụ anyị abụghị ihe karịrị 40g / ụbọchị maka okenye yana ọkara maka ụmụaka.
8, Ihe ụtọ ahụike: Xylitol ụtọ nke sucrose, nke a na-enweta site na akụrụngwa sitere n'okike, bụ ihe ụtọ ahụike eke, enwere ike iji ya na nri na-enweghị shuga, swiiti na-enweghị shuga na nri ndị ọzọ dị mma.
9, Mgbochi caries: Xylitol enweghị ike ịbụ n'ọnụ nje nje gbaa ụka site na iji eze caries, eze caries mgbochi atụmatụ na-arụ ọrụ kasị mma na niile sweetener.Enwere ike iji ya mee ihe n'ụdị ngwaahịa nlekọta ọnụ.
10, Gbochie glucose ọbara: Xylitol na-enweghị mmetụta glucose metabolism n'ime ahụ, ọ dịghị mkpa ịkwalite, nwekwara ike site na akpụkpọ ahụ sel, nke nzukọ ahụ na-etinye.Maka onye nwere ihe ụtọ shuga, ihe mgbakwunye nri na ihe inyeaka.
11, Imewanye ọrụ imeju: Xylitol nwere ike ịkwalite njikọ nke glycogen yuan, belata oriri nke abụba na protein na anụ ahụ imeju, na-echebe ma na-edozi imeju, meziwanye ọrụ imeju na ndị ọrịa nwere ọrịa imeju na imeju abụba abụba, mmetụta nke ọgwụgwọ. nke ịba ọcha n'anya nke mmekọahụ nke ịba ọcha n'anya B, ịba ọcha n'anya B, ala ala ịba ọcha n'anya na imeju cirrhosis nwere doro anya curative mmetụta, bụ ezigbo inyeaka ọgwụ ịba ọcha n'anya nsogbu nke ndị ọrịa.
12, Ọrụ mbelata ibu: Xylitol ma e jiri ya tụnyere shuga granulated nkịtị, nwere uru nke obere okpomọkụ, Xylitol nwere naanị calorie 2.4 kwa gram, 40% obere okpomọkụ karịa ọtụtụ carbohydrates ndị ọzọ, yabụ enwere ike itinye Xylitol na ụdị nri ọ bụla na-ebelata. ibu, dị ka ihe nnọchi maka shuga nke oke ibu nke okpomọkụ.
13, melite ọrụ eriri afọ: Xylitol nwere ike ịkwalite mmụba bifidobacterium.Na-akwalite mmụba nke ahịhịa eriri afọ bara uru, melite ọrụ eriri afọ, nwere ọrụ dị oke elu, bụ ụdị ihe mgbakwunye ọrụ na-ekwe nkwa.
14, Hygroscopicity, eji mee ka ụfọdụ dim nchikota, dị nro karịa sucrose na-adị ooh, nro na ogologo oge, n'otu oge ahụ ịgbatị ndụ shelf nke nri, dị ka ime achịcha, achịcha, wdg nwere ike iji dị ka a a. ịchọ mma klas mmiri mmezi, enweghị mkpali na akpụkpọ mmadụ.
15, Mee ka palate dị ike: oriri nwere ike ịmepụta mmetụta dị mma na nke na-enye ume ọhụrụ n'ọnụ, mgbe mgbe mmetụta na-egbuke egbuke dị mma, enwere ike iji ya na nkasi obi nke ihe ọṅụṅụ oyi, ihe eji megharịa ọnụ, mmiri ara ehi, kọfị, wdg nwekwara ike iji na ihe ọṅụṅụ ahụike, ọgwụ akpịrị, ụkwara sirop, wdg. N'agbanyeghị nwere ike tinye pepemint, spearmint, wdg The nri ekpomeekpo.
16, Mee ogologo ndụ shelf: Xylitol site na gbaa ụka yist, dị njọ maka usoro ọdịnala microbial, na-adị ụtọ, yabụ ọ nwere ike ịgbatị ndụ shelf ya.
17, Emela ka maillard Browning mmeghachi omume: Xylitol abụghị otu aldehyde na otu ketone na nhazi ahụ, kpo oku anaghị emepụta mmeghachi omume Browning maillard, enwere ike ịme ka ọ bụrụ ihe ụtọ dị iche iche nke ngwaahịa esi nri.
