化學名稱: | DL-半胱氨酸鹽酸鹽-水物 |
INCI名稱: | DL-鹽酸半胱氨酸一水 |
英文名稱: | DL-Cysteine hydrochloride monohydrate |
CAS號: | 32443-99-5 |
HS編碼 | 2930909099 |
化學式: | C3H10ClNO3S |
分子量: | 175.63 |
中文別名: | DL-半胱氨酸鹽酸鹽,一水; DL-鹽酸半胱氨酸,一水; DL-鹽酸半胱氨酸一水; Dl-半胱氨酸鹽酸鹽一水物 鹽酸-DL-半胱氨酸半胱氨酸鹽酸 DL-半胱氨酸鹽酸鹽一水物 DL-鹽酸半胱氨酸 DL-半膀胱氨基酸鹽酸鹽 DL-半胱氨酸鹽酸鹽,一水合物 |
英文別名: | DL-CYSTEINE HCL MONOHYDRATE DL-Cysteine·HCl·H2O; DL-Cysteine hydrochloride monohydrate Cysteine,hydrochloride, hydrate (1:1) DL-CYSTEINE HCL HYDRATE DL-CYSTEINE HYDROCHLORIDE HYDRATECRYSTAL LINE H-DL-CYS-OH HCL H2O DL-CYSTEIN HYDROCHLORIDE HYDRATE |
指 標 Specification | 標 準 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 | ≤0.03% |
重金屬(鉛) Heavy metal(Lead) | ≤10 ppm |
鐵鹽 Ironic Salt | ≤10 ppm |
銨鹽Ammonium salt | ≤0.02% |
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. |