meso-Erythritol CAS 149-32-6 Assay 99.5 ~ 100.5% Ihe mgbakwunye nri ụlọ ọrụ
Shanghai Ruifu Chemical Co., Ltd. bụ ndị na-eduga emeputa nke meso-Erythritol (CAS: 149-32-6) na elu àgwà, mmepụta ike 30000 tọn kwa afọ.Ruifu Chemical nwere ike ịnye nnyefe zuru ụwa ọnụ, ọnụahịa asọmpi, obere na nnukwu ọnụọgụ dị.Ịzụta meso-Erythritol,Please contact: alvin@ruifuchem.com
Aha Chemical | meso-Erythritol |
Ụdị okwu | erythritol;1,2,3,4-Butanetetrol;meso-1,2,3,4-Tetrahydroxybutane;erythritol |
Ọnọdụ Ahịa | N'ahịa, ikike nrụpụta 30000 tọn kwa afọ |
Nọmba CAS | 149-32-6 |
Usoro ihe omimi | C4H10O4 |
Ibu molekụla | 122.12 g/mol |
Ebe Na-agbaze | 119.0 ~ 123.0 ℃ (ọkụ) |
Ebe esi nri | 329.0 ~ 331.0 ℃ (ọkụ) |
Njupụta | 1.451 g/cm3 |
Mmetụta | Hygroscopic.Mmetụta Ikuku, Ọkụ Na-emetụ n'ahụ, Ọdịnihu nwere mmetụta |
Mmiri Solubility | Soluble n'ime mmiri, ihe fọrọ nke nta ka ọ bụrụ nghọta |
Okpomọkụ nchekwa. | Ebe dị jụụ & Ọkụ |
COA & MSDS | Dị |
Ndụ shelf | Afọ 2 Mgbe echekwara nke ọma |
Ụdị | Ruifu Chemical |
Ihe | Ụkpụrụ nyocha | Nsonaazụ |
Ọdịdị | White crystalline ntụ ntụ ma ọ bụ granular | Ọcha kristal granular |
Nyocha (na akọrọ) | 99.5 ~ 100.5% | 99.92% |
Ebe Na-agbaze | 119.0 ~ 123.0 ℃ | 119.8 ~ 121.7 ℃ |
Ọnwụ na ihicha | ≤0.20% | 0.05% |
Ihe fọdụrụ na mgbanye | ≤0.10% | 0.005% |
Ọla dị arọ (Pb) | ≤1.0 mg/kg | 0.0076mg / n'arọ |
Ndu (Pb) | ≤0.50 mg/kg | <0.085 mg/kg |
Arsenic (dị ka) | ≤0.30 mg/kg | <0.041 mg/kg |
Na-ebelata shuga | ≤0.30% | <0.30% |
Ribitol na glycerol | ≤0.10% | <0.01% |
Ọdịnihu nke nje bacteria | ≤300 cfu/g | <10 cfu/g |
Yist na ebu | ≤100 cfu/g | <10 cfu/g |
Coliform | ≤30 cfu/g | Ihe ọjọọ |
Ọrịa nje | Ihe ọjọọ | Ihe ọjọọ |
Shigella | Ihe ọjọọ | Ihe ọjọọ |
Staphylococcus Aureus | Ihe ọjọọ | Ihe ọjọọ |
Uru pH | 5.0-7.0 | 6.84 |
Mmechi | A nwalela ngwaahịa a wee kwado nkọwa ndị enyere |
ngwugwu:Kalama, Aluminom foil bag, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Chekwaa n'ime akpa mechiri emechi.Chekwaa n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ ma nwee ikuku nke ọma pụọ na ihe ndị na-ekwekọghị ekwekọ.Chebe site na ìhè na mmiri mmiri.
Mbupu:Jiri ikuku na-ebuga ụwa niile site na FedEx / DHL Express.Nye nnyefe ngwa ngwa na ntụkwasị obi.
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.
Ihe akara egwu Xi - iwe
Koodu ihe ize ndụ 36/37/38 - na-akpasu anya, sistem iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
WGK Germany 3
RTECS KF2000000
FLUKA BRAND F CODES 3-10
TSCA Ee
Koodu mpaghara:: 2905499000
meso-Erythritol (CAS: 149-32-6) bụ ihe sitere n'okike nke ọtụtụ nri na ihe ọṅụṅụ na ọkwa mgbe ụfọdụ gafere 1 g/kg.Dabere na ntinye uche ejiri, erythritol dị ihe dịka 60% ụtọ dị ka sucrose.Ọ bụ noncariogenic na ọ bụghị metabolized na ahụ mmadụ nke pụtara na ọ bụ karịa ma ọ bụ obere kalori-free.Na European Union, a kwadoro erythritol dị ka E968 maka ọnụ ọgụgụ buru ibu nke ngwa nri.Ọ bụ GRAS na United States ma kwadokwara ya n'ọtụtụ mba ndị ọzọ.
meso-Erythritol bụ mmanya na-egbu egbu (polyol).Ụtọ nke erythritol dị ala, ụtọ nke erythritol bụ naanị 60% -70% nke sucrose, ọnụ ụzọ ahụ nwere uto dị jụụ, ụtọ ahụ dị ọcha, ọ nweghịkwa obi ilu.Enwere ike iji ya jikọtara ya na ihe ụtọ dị elu iji gbochie ụtọ ụtọ ya na-adịghị mma nke ihe ụtọ dị elu.Erythritol nwere nkwụsi ike dị elu, ọ kwụsiri ike na acid na okpomọkụ, ma nwee nnukwu acid na nguzogide alkali.Ọ gaghị erekasị ma gbanwee na okpomọkụ dị n'okpuru 200 ℃, ọ gaghịkwa enweta mmeghachi omume Maillard iji mee ka ọ gbanwee.Okpomọkụ nke mgbasa nke erythritol dị elu: erythritol nwere mmetụta endothermic mgbe agbazere na mmiri, na okpomọkụ nke mgbasa bụ naanị 97.4kJ / kg, nke dị elu karịa ogo endothermic nke glucose na sorbitol, ma nwee mmetụta dị jụụ mgbe ị na-eri nri. .Solubility nke erythritol na 25 ℃ bụ 37% (W / W).Site na mmụba nke okpomọkụ, solubility nke erythritol na-abawanye, ọ dịkwa mfe kristal na ikewapụ kristal.Erythritol dị mfe kristal, mana ọ gaghị etinye mmiri na gburugburu iru mmiri 90%.Ọ dị mfe ịkụpịa ya iji nweta ngwaahịa ntụ ntụ, nke a pụrụ iji n'elu nri mee ihe iji gbochie nri ka ọ ghara ịmịkọrọ mmiri na njọ.
A na-amata meso-Erythritol, nke so na klaasị sugar alcohols, n'ụdị ngwaahịa nri, mkpụrụ osisi, akwụkwọ nri, ihe ọṅụṅụ na ihe mgbakwunye nri.A maara ya dị ka ihe mgbakwunye nri glycemic dị ala ma na-arụ ọrụ dị mkpa dị ka ihe na-atọ ụtọ maka ndị ọrịa mamịrị, ebe ọ nweghị glycemic ma ọ bụ insulinemic mmetụta n'ihi ike ya enweghị metabolized kama na-etinye uche ya na eriri afọ.A kọkwara na a na-eji ya dochie shuga n'ihe ncha eze, ịta chịngọm, ngwaahịa nri confectionery, wdg.
Mpaghara ngwa
1. Ihe ọṅụṅụ N'ime afọ ndị na-adịbeghị anya, erythritol ejiriwo na-emepụta ihe ọṅụṅụ efu efu na obere kalori.Erythritol nwere ike ịbawanye ụtọ, ahụ na ire ụtọ nke ihe ọṅụṅụ, ebe ọ na-ebelata ilu, ma nwee ike kpuchie isi ndị ọzọ ma welie ụtọ mmanya.E nwekwara ike iji Erythritol na-enye ume ọhụrụ mmanya siri ike, n'ihi na erythritol na-amịkọrọ nnukwu okpomọkụ mgbe ọ gbazere.
2. Nri esi nri
Erythritol bụ ihe egosipụtara maka ngwaahịa na-arụ ọrụ dị elu ma ọ bụ ngwaahịa bred nwere obere kalori.Ọ nwere ike ọ bụghị naanị dochie sucrose n'ụzọ anụ ahụ na kemịkalụ kamakwa ọ na-eweta uru ahụike, na ngwaahịa a na-esi esi na-eji erythritol nwere kọmpụta dị mma na ịdị nro karịa ngwaahịa ndị na-ejikwa sucrose dị ka akụrụngwa, yana ọ nwere agbaze dị iche iche n'ọnụ na agba dị nro. iche.Erythritol a na-eji eme ihe na-esi ísì ụtọ kwesịrị ịbụ ntụ ntụ ma ọ bụ crystallized na nha dị mma (<200μm), na ihe ndị dị mma ga-ewetara ngwaahịa ahụ ụtọ na gburugburu.
3. Ihe mgbakwunye
Enwere ike iji Erythritol rụpụta ezigbo mgbakwunye ngwaahịa bred dị ka jam, ude, icing bọta na ụfọdụ ihe ịchọ mma elu.
A. Ịgbakwunye erythritol na jam nwere ike ime ka ndeksi mkpụrụ osisi dị elu.
B. Ịtinye erythritol na ude icing (abụba zuru oke) agaghị ebelata calorie kamakwa ọ na-eweta uto na-enye ume ọhụrụ;Mgbe ngwaahịa ahụ na-eji erythritol, mmiri mmiri maltitol na aspartame n'otu oge, uru ike nwere ike ibelata ihe fọrọ nke nta ka ọ bụrụ 50%.
4. Candies
Swiiti na ahịa chọkọleti dị ugbu a agbatịwokwa site na mmalite iji sucrose dị ka akụrụngwa bụ isi ruo na ngwaahịa ọhụrụ nwere obere shuga na obere kalori.N'ime afọ ndị na-adịbeghị anya, ngwaahịa shuga na-arụ ọrụ ejiriwo na-agba ọsọ n'ahịa ma ghọọ mba ụwa ugbu a Ebe oriri na-ekpo ọkụ na mmepe nke ahịa swiiti, ikike ahịa dị ukwuu.Mgbe nyocha ogologo oge gachara, egosipụtara na akụrụngwa akụrụngwa ọhụrụ na-arụ ọrụ erythritol na-emezu ihe achọrọ.Ụtọ nke erythritol bụ otu ihe ahụ dị ka nke sucrose, ọ dịghịkwa mkpa ịgbakwunye ihe ụtọ siri ike dị ka aspartame ma ọ bụ saccharin.Swiiti ndị a na-esi na ya pụta dị jụụ ma dị jụụ karịa swiiti ndị ọzọ "na-abụghị sucrose", nwere ụtọ dị ọcha na enweghị ụtọ na-adịghị mma.
5. Chocolate
Erythritol nwere ike dochie sucrose ngwa ngwa na ngwaahịa ahụ wee belata ike chocolate site na 34%.Ọ dịghị mmanya mmanya shuga ọzọ nwere ike inye mbelata ume dị otú ahụ, ma nye ngwaahịa ahụ ụtọ uto na ihe ndị na-abụghị cariogenic.N'ihi obere hygroscopicity ya, erythritol na-enyere aka imeri ihe na-eto eto nke shuga ndị ọzọ mgbe ị na-eme chocolate.
6. Ụlọ ọrụ ọgwụ
Njirimara nke erythritol, dị ka anti-caries, mgbochi oxidation, mmiri na-ejide mmiri na enweghị ọkụ, na-eme ka ngwa ya na mpaghara ọgwụ na kemịkalụ kwa ụbọchị na-aga n'ihu na-abawanye.
meso-Erythritol bụ ihe na-emekarị nke na-abụghị cariogenic nke a na-eji n'ọtụtụ nkwadebe ọgwụ, gụnyere n'ụdị usoro onunu ogwu siri ike dị ka ihe ndochi mbadamba, yana na mkpuchi.A na-enyochakwa ya maka iji ya na-ekpo ọkụ ntụ ntụ.A na-ejikwa ya na lozenges na-enweghị shuga, yana chịngọm ọgwụ.A pụkwara iji meso-Erythritol mee ihe dị ka ihe na-eme ka mmiri dị n'ime mmiri granulation yana ọgwụ ndị nwere mmetụta mmiri.N'ime ngwa buccal, dị ka ọgwụ na-ata ahụhụ, a na-eji ya n'ihi nnukwu okpomọkụ na-adịghị mma nke ngwọta nke na-enye mmetụta dị jụụ siri ike.A na-ejikwa meso-Erythritol dị ka ihe na-atọ ụtọ na-abụghị calorie na sirop;a na-eji ya na-enye ihe ndị na-eme ka profaịlụ sensorial na-emeziwanye ihe na-atọ ụtọ;ma a na-ejikwa ya kpuchie ihe ụtọ ndị achọghị.A na-ejikwa meso-Erythritol dị ka ihe na-atọ ụtọ na-abụghị cariogenic na ncha eze na ngwọta ịsa ọnụ.
Nkọwa
Erythritol na-enweta site na gbaa ụka nke starch enzyme hydrolyzate (site na starches dị ka ọka wit na ọka).A na-enweta ya site na broth gbaa ụka nke yist osmophilic kwesịrị ekwesị dị ka Moniliella pollinis ma ọ bụ Trichosporonoides megachiliensis.O nwere NLT 96.0% na NMT 102.0% nke Erythritol (C4H10O4), gbakọọ na usoro anhydrous.
Nchọpụta
• A. INFRARED ABSORPATION <197K>
• B. NKE NA-agbaze ma ọ bụ okpomọkụ <741>: 119.0 ~ 123.0°C
ASSAY
• Usoro
Usoro mkpanaka: 0.01% sulfuric acid
Usoro dabara adaba: 0.05 mg / ml nke ọ bụla nke USP Erythritol RS na glycerol
Ngwọta ọkọlọtọ: 50 mg / ml nke USP Erythritol RS
Ngwọta nlele: 50 mg / ml nke erythritol
Sistemụ chromatographic
(Lee Chromatography <621>, Kwesịrị ekwesị Sistemu.)
Ụdị: LC
Nchọpụta: Ntụgharị uche
Ogidi: 7.8-mm × 30-cm;mbukota L17
Okpomọkụ kọlụm: 70°
Ọnụego mmiri: 0.8ml/min
Nha igba ogwu: 10µL
Sistemu kwesịrị ekwesị
Nlereanya: Ngwọta dabara adaba na sistemụ yana ngwọta ọkọlọtọ [MARA-Oge njigide erythritol na glycerol bụ ihe dịka 1.0 na 1.1, n'otu n'otu.]
Kwesịrị ekwesị chọrọ
Mkpebi: NLT 2.0 n'etiti erythritol na glycerol, ngwọta dabara na sistemụ
Ọkọlọtọ emetụtara: NMT 2.0%, Ọkọlọtọ ngwọta
Nyocha
Nlereanya: Ngwọta ọkọlọtọ na ihe nlele nlele [MARA—Dekọọ chromatograms maka ihe karịrị oge okpukpu atọ nke oge erythritol.]
Gbakọọ na pasent erythritol (C4H10O4) na akụkụ nke Erythritol were:
Nsonaazụ = (rU/rS) × (CS/CU) × 100
rU = nzaghachi kacha elu sitere na ngwọta Sample
rS = nzaghachi kacha elu sitere na ngwọta Standard
CS = itinye uche nke USP Erythritol RS na ngwọta ọkọlọtọ (mg/mL)
CU = ntinye nke Erythritol na ngwọta nlele (mg/mL)
Usoro nnabata: 96.0% -102.0% na ndabere anhydrous
IHE adịghị ọcha
• AKWỤKWỌ NA MKWAGHỊ <281>: NMT 0.1%
• OKWU nke ndu
Ọkọlọtọ ụzọ ngwọta: Kwadebe dị ka eduzi n'okpuru Heavy Metals <231>, Pụrụ iche Reagents
Ngwọta nlele: gbazee 20.0 g nke Erythritol na acetic acid diluted, wee jiri otu ọkara mee ka ọ bụrụ 100 ml.Tinye 2.0 ml nke ngwọta ammonium pyrrolidinedithiocarbamate juputara (10 mg/mL nke ammonium pyrrolidinedthiocarbamate) na 10.0 ml nke methyl isobutyl ketone, ma maa jijiji maka 30 s.Chebe pụọ na ìhè na-egbuke egbuke.Kwe ka akwa abụọ ahụ kewaa, ma jiri methyl isobutyl ketone oyi akwa.
Ngwọta ọkọlọtọ: Kwadebe dị ka a gwara ya maka ngwọta Sample, ma e wezụga ịkwadebe ngwọta atọ site n'ịgbakwunye 0.5, 1.0, na 1.5 ml nke Standard lead solution na mgbakwunye na 20.0 g nke Erythritol.
Ihe ngwọta efu: Kwadebe dị ka eduzi ya maka ngwọta Sample, na-ahapụ Erythritol.
Ọnọdụ akụrụngwa
(Lee Spectrophotometry na Mgbasa ọkụ <851>.)
Ọnọdụ: Atomic absorption spectrophotometry, na-eji methyisobutyl ketone emeburu dị ka akọwara n'okpuru ihe ngwọta Sample, mana na-enweghị ihe atụ agbakwunyere.
Ogologo ebili mmiri nyocha: 283.3 nm
Oriọna: Lead oghere-cathode
Ọkụ: Air-acetylene
Nyocha
Nlereanya: Ngwọta nlele na ọkọlọtọ ọkọlọtọ
Webata ihe ngwọta Sample na nke ọ bụla n'ime usoro atọ Standard n'ime ngwa.Dekọọ ọgụgụ nnabata na-adịgide adịgide.Chee ọnụ ọgụgụ nnabata ahụ megide nleba ama ama nke ndu agbakwunyere (na µg), wee see ahịrị kwụ ọtọ.Wepụ ahịrị ahịrị ruo mgbe ọ zutere axis ịta ahụhụ, nke ha na ntinye uche, na ppm, nke ndu na nlele.
Usoro nnabata: NMT 0.5 ppm
• Ngwakọta ejikọtara
Usoro mkpanaaka, ngwọta dabara adaba sistemu, Ọkọlọtọ ngwọta, na Ngwọta Nlereanya: Gaa n'ihu dị ka enyere ya na nyocha.
Ngwọta ọkọlọtọ: Nyefee 2.0 ml nke ọkọlọtọ ọkọlọtọ site na Assay gaa na flask volumetric 100-mL, wee gbanye mmiri (1 mg / ml nke erythritol).
Sistemu Chromatographic: Gaba n'ihu dị ka enyere ya na Assay belụsọ iji nha ịgbanye nke 20µL.
Nyocha
Nlereanya: Ngwọta nlele na ọkọlọtọ ọkọlọtọ
Gbakọọ pasent nke adịghị ọcha ọ bụla achọtara:
Nsonaazụ = (rU/rS) × (CS/CU) × 100
rU = nzaghachi kacha elu sitere na ngwọta Sample
rS = nzaghachi kacha elu nke erythritol sitere na ngwọta Standard
CS = itinye uche nke USP Erythritol RS na ngwọta ọkọlọtọ (mg/mL)
CU = ntinye nke Erythritol na ngwọta nlele (mg/mL)
Usoro nnabata
Ihe adịghị ọcha nke onwe: NMT 2.0%
Mkpokọta adịghị ọcha: NMT 2.0%
Nnwale akọwapụtara
• Nnwale ọnụọgụ MICROBIAL <61> na anwale maka akọwapụtara
MICROORGANISMS <62>: Ngụkọta ọnụ ọgụgụ microbial aerobic na-eji usoro Plate bụ NMT 1000 cfu/g, yana ngụkọta agwakọta ebu na yeasts bụ NMT 100 cfu/g.Ọ na-emezu ihe achọrọ maka ule maka enweghị ụdị Salmonella na Escherichia coli.
• Ọnwụ na-ehichapụ <731>: Kpochapụ ihe nlele 8-g na 105 ° maka awa 4: ọ na-efunahụ NMT 0.2% nke ibu ya.
• Mkpebi mmiri, Usoro I <921>: NMT 0.5%
• OKWU
Ihe ngwọta nlele: 200 mg / ml na mmiri
Nyocha: Iji mita conductivity kwesịrị ekwesị, họrọ cell conductivity kwesịrị ekwesị maka njirimara na conductivity nke ngwọta a ga-enyocha.Jiri ihe nrụtụ aka gbawara agbawa, dịka ọmụmaatụ, ngwọta nke potassium chloride, nke dabara maka nha.Uru conductivity nke ihe nrụtụ aka akwadoro kwesịrị ịdị nso uru conductivity a na-atụ anya ya nke ngwọta a ga-enyocha.Mgbe emechara ngwa ahụ site na iji ihe ntụnye aka akwadoro, sachaa cell conductivity ugboro ugboro na mmiri ma ọ dịkarịa ala ugboro abụọ na ngwọta mmiri ka a ga-enyocha.Tulee conductivity nke ngwọta na okpomọkụ nke 20 Celsius ka ị na-eji nwayọọ na-akpali akpali na magnetik.
Ụkpụrụ nnabata: NMT 20 µS/cm
NKWUO GBASARA YA
• Nkwakọba na Nchekwa: Chekwaa n'ime akpa mechiri emechi nke ọma.Na-echekwa na ụlọ okpomọkụ.
• Ụkpụrụ ntụaka USP <11>
USP Erythritol RS