Khoom Description
Basic Chemistry thiab Identification Information
| Lub npe Askiv | Calcium Propionate |
| Tshuaj npe | Calcium propionate ntsev |
| CAS Nr. | 4075-81-4 |
| E naj npawb | E282 |
| INS Nr. | 282 |
| Molecular Formula | C₆H₁₀CaO₄ 或 Ca(C₂H₅COO)₂ |
| Cov qauv qauv | (CH₃CH₂COO)₂Ca |
| Molecular Luj | 186.22 g / mol |
Physicochemical Properties thiab Quality Standards
| Parameter | Hom Specification / Nqe lus piav qhia |
|---|---|
| Qhov tshwm sim | Dawb crystals, granules los yog hmoov, feem ntau yog nyob rau hauv daim ntawv ntawm monohydrate. |
| tsw | Tsis muaj ntxhiab tsw lossis tsw ntxhiab acetone- zoo li tsw. |
| Solubility | Me ntsis soluble hauv dej (li 1g / 100mL ntawm 20 degree), yuav luag insoluble hauv ethanol thiab ether. |
| pH (10% A tov hauv dej) | 7.0 – 9.0 |
| Poob rau ziab | Tsawg dua lossis sib npaug li 9.5% |
| Calcium Cov ntsiab lus | Tus nqi theoretical yog kwv yees li 21.5%. |
| Heavy Metals (raws li Pb) | Tsawg dua lossis sib npaug li 10 mg / kg |
| Arsenic (As) | Tsawg dua lossis sib npaug li 3 mg / kg |
Muaj nuj nqi, Daim Ntawv Thov, thiab Kev Tswj Xyuas Txheej Txheem
| Parameter | 具体说明 Cov lus piav qhia ntxaws |
|---|---|
| Lub luag haujlwm tseem ceeb | Cov tshuaj tua kab mob, tshuaj tiv thaiv- cov kab mob pwm. |
| Mechanism | Cov dissociated propionic acid molecules cuam tshuam nrog lub zog metabolism ntawm cov kab mob, inhibiting pwm thiab qee cov kab mob. |
| Cov ntawv thov tseem ceeb | Cov dissociated propionic acid molecules cuam tshuam nrog lub zog metabolism ntawm cov kab mob, inhibiting pwm thiab qee cov kab mob. |
| Txoj Cai Tswjfwm | Tuam Tshoj (GB 2760): Cov tshuaj tua kab mob tso cai rau siv. Teb Chaws Asmeskas (FDA): Feem ntau pom tau tias yog cov tshuaj muaj kev nyab xeeb. EU: Khoom noj khoom haus additive E282. JECFA: Kev nyab xeeb siab, tsis muaj kev cai ADI. |
| Hom Tshuaj | Tus nqi ntawm sodium propionate feem ntau siv hauv khob cij thiab pastries yog 0.1% - 0.3% (raws li propionic acid). |
FAQ
Q: Koj tus MOQ yog dab tsi?
A: Feem ntau, peb cov MOQ yog 1MT. Yog tias qhov ntau me me, lub hiav txwv freight yuav siab dua. Tau kawg, yog tias koj muaj kev xav tau tshwj xeeb, koj tuaj yeem tiv tauj peb, peb yuav ua qhov zoo tshaj plaws kom txaus siab rau koj.
Q: Koj cov nqe lus them nqi yog dab tsi?
A: Peb lees txais T / T lossis Irrevocable L / C.
Q: Kuv puas tuaj yeem tau txais cov qauv?
A: Cov qauv pub dawb muaj, tab sis cov nqi thauj khoom yuav nyob ntawm koj tus account thiab cov nqi yuav raug txiav tawm ntawm koj qhov kev txiav txim yav tom ntej.
Q: Koj lub sijhawm khoom xa tuaj / sijhawm ntev npaum li cas?
A: Feem ntau nws yog 2 lub lis piam yog tias cov khoom muaj nyob hauv Tshuag. Los yog nws yog 1-4 lub lis piam yog tias cov khoom tsis nyob hauv Tshuag, nws nyob ntawm koj qhov ntau.
Q: Koj puas tuaj yeem ua packing thiab logo raws li cov neeg siv khoom thov?
A: Yog, peb tuaj yeem ua tau. Feem ntau, peb muab cov ntim nruab nrab, yog tias koj xav tau kev ntim khoom lossis lub logo, thov qhia rau peb.
Q: Cov ntaub ntawv dab tsi koj tuaj yeem muab tau?
A: Feem ntau, peb muab Daim Ntawv Pov Thawj Ua Lag Luam, Cov Ntawv Teev Npe, Cov Nqi Xa Khoom, COA, yog tias koj muaj qee qhov tshwj xeeb hauv koj lub khw, thov qhia rau peb.
Cim npe nrov: Calcium propionate e282 CAS: 4075-81-4, Tuam Tshoj, tuam ntxhab, lwm tus muag khoom, Hoobkas, yuav, bulk, npe, luv nqi
