化学名称: | DL-丝氨酸 |
INCI名称: | 丝氨酸 |
英文名称: | DL-SERINE |
CAS号: | 302-84-1 |
HS编码 | 2922509099 |
化学式: | C3H7NO3 |
分子量: | 105.09 |
中文别名: | DL-丝氨酸; DL-蚕丝氨基酸DL-2-氨基-3-羟基丙酸DL-β-羟基丙氨酸; DL-2-氨基-3-羟基丙酸; 2-氨基-3-羟基丙酸; 羟基氨基丙酸; 丝氨酸; DL-β-羟基丙氨酸 |
英文别名: | serine; DL-SER; SERINE; Serine,dl; DL-SERINE,FCC; SERINE, (L); DL-Serine; Dl-SerinePuriss; DL-SERINE; DL-2-Amino-3-hydroxypropionic Acid; H-DL-SER-OH; H-DL-Ser-OH; 2-Amino-3-Hydroxypropionicacid; DL-Serin |
指 标 Specification | 标 准 Standard |
外观 Appearance | 白色或类白色结晶性粉末White or almost white crystalline powder |
溶液外观 Appearance of the Solution | 透明无色至浅黄色Transparent colorless to light yellow |
pH值 pH value | 5.5~6.5 |
比旋度 Specification Rotation | +14.0°~+15.6° |
干燥失重 Loss on Drying | ≤0.2% |
灼烧残渣 Residue on Ignition | ≤0.1% |
氯化物Chloride | ≤0.25% |
硫酸盐Sulfate | ≤0.02% |
重金属(铅) Heavy metal(Lead) | ≤10 ppm |
铁盐 Ironic Salt | ≤10 ppm |
透光率Light transmittance | ≤98.0%(430nm) |
含量 Assay(drying basis) | 98.5~101.5% |
微生物检测 Microbial Test | |
总菌数 Total Aerobic | ≤1000cfu/g |
霉菌和酵母 Yeast & Mold | ≤100cfu/g |
大肠杆菌 E.coli | Negative |
沙门氏菌 Salmonella | Negative |
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. |