化學(xué)名稱: | DL-絲氨酸 |
INCI名稱: | 絲氨酸 |
英文名稱: | DL-SERINE |
CAS號(hào): | 302-84-1 |
HS編碼 | 2922509099 |
化學(xué)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(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 | 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?jiān)?/span> 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(cè) 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. |