
| 化學名稱: | DL-絲氨酸 | 
| INCI名稱: | 絲氨酸 | 
| 英文名稱: | DL-SERINE | 
| CAS號: | 302-84-1 | 
| HS編碼 | 2922509099 | 
| 化學式: | C3H7NO3 | 
| 分子量: | 105.09 | 
| 中文別名: | DL-絲氨酸; DL-蠶絲氨基酸DL-2-氨基-3-羥基丙酸DL-β-羥基丙氨酸; DL-2-氨基-3-羥基丙酸; 2-氨基-3-羥基丙酸; 羥基氨基丙酸; 絲氨酸; DL-β-羥基丙氨酸 | 
| 英文別名: | 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 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 | 5.5~6.5 | 
| 比旋度 Specification Rotation | +14.0°~+15.6° | 
| 干燥失重 Loss on Drying | ≤0.2% | 
| 灼燒殘渣 Residue on Ignition | ≤0.1% | 
| 氯化物Chloride | ≤0.25% | 
| 硫酸鹽Sulfate | ≤0.02% | 
| 重金屬(鉛) Heavy metal(Lead) | ≤10 ppm | 
| 鐵鹽 Ironic Salt | ≤10 ppm | 
| 透光率Light transmittance | ≤98.0%(430nm) | 
| 含量 Assay(drying basis) | 98.5~101.5% | 
| 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. | |