化學(xué)名稱: | L-半胱氨酸鹽酸鹽-水物 |
INCI名稱: | L-半胱氨酸 鹽酸鹽 一水合物 |
英文名稱: | L-Cysteine hydrochloride monohydrate |
CAS號: | 7048-04-6 |
HS編碼 | 2930909099 |
化學(xué)式: | C3H10ClNO3S |
分子量: | 175.63 |
中文別名: | L-半胱氨酸 鹽酸鹽 一水合物; L-巰基丙氨酸鹽酸鹽一水合物; L-鹽酸半胱氨酸一水物; L-半胱氨酸鹽酸鹽,一水; L-半胱氨酸鹽酸鹽,一水合物; L-半胱氨酸鹽酸鹽一水合物; L半胱氨酸 鹽酸鹽一水合物 |
英文別名: | L-Cysteine hydrochloride monohydrate; (1R,2S)-2-aMinocyclopentan-1-ol hydrochloride; D,L-cis-2-Aminocyclopentanol-Hydrochlorid; L-Cysteinehydrochloridemonohydrate; L-(+)-cysteine hydrochloride hydrate; L-cysteine monohydrate hydrochloride; (1R,2S)-CIS-2-AMINOCYCLOPENTANOL HYDROCHLORIDE; Trans-(1R,2S)-2-Aminocyclopentanol Hydrochloride; L-cysteine HCl monohydrate; L-cysteine monohydrochloride monohydrate; (+-)-cis-2-amino-cyclopentanol,hydrochloride; (R)-cysteine hydrochloride monohydrate; D,L-cysteine hydrochloride monohydrate L-CYSTEINE HCL MONOHYDRATE |
指 標(biāo) Specification | 標(biāo) 準(zhǔn) Standard |
外觀 Appearance | 白色或類白色結(jié)晶性粉末White or almost white crystalline powder |
溶液外觀 Appearance of the Solution | 透明無色至淺黃色Transparent colorless to light yellow |
pH值 pH value | 1.5~2.0 |
比旋度 Specification Rotation | +5.5°~+7.0° |
干燥失重 Loss on Drying | 8.0~12.0% |
灼燒殘渣 Residue on Ignition | ≤0.1% |
氯化物Chloride | 19.8~20.8% |
硫酸鹽sulfate | ≤0.02% |
重金屬(鉛) Heavy metal(Lead) | ≤10 ppm |
銨鹽Ammonium salt | ≤0.02% |
鐵鹽 Ironic Salt | ≤20ppm |
砷鹽As | ≤1.0% |
透光率Light transmittance | ≥98.0% |
含量 Assay(drying basis) | 98.5~101.0% |
微生物檢測 Microbial Test | |
總菌數(shù) Total Aerobic | ≤1000cfu/g |
霉菌和酵母 Yeast & Mold | ≤100cfu/g |
大腸桿菌 E.coli | Negative |
沙門氏菌 Salmonella | Negative |
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. |