

化學(xué)名稱(chēng):  | N-乙酰-DL-蛋氨酸  | 
INCI名稱(chēng):  | 乙酰蛋氨酸  | 
英文名稱(chēng):  | ACETYL METHIONINE  | 
CAS號:  | 1115-47-5  | 
HS編碼  | 2930909099  | 
化學(xué)式:  | C7H13NO3S  | 
分子量:  | 191.25  | 
中文別名:  | N-乙酰-DL-蛋氨酸; N-乙酰-DL-甲硫氨酸; 乙酰-DL-甲硫氨基丁酸; N-乙酰蛋氨酸  | 
英文別名:  | N-ACETYL-DL-METHIONINE N-Acetyl-DL-methionine; 2-acetamido-4-methylsulfanylbutanoic acid; Ac-DL-Met-OH; 2-Acetamido-4-(methylthio)butanoic acid; Methionamine  | 
指 標 Specification  | 標 準 Standard  | 
外觀(guān) Appearance  | 白色或類(lèi)白色結晶性粉末White or almost white crystalline powder  | 
溶液外觀(guān) Appearance of the Solution  | 透明無(wú)色至淺黃色Transparent colorless to light yellow  | 
pH值 pH value  | 5.6~6.1  | 
比旋度 Specification Rotation  | +22.4°~+24.7°  | 
熔點(diǎn) Melting Point  | 104~110℃  | 
干燥失重 Loss on Drying  | ≤0.3%  | 
灼燒殘渣 Residue on Ignition  | ≤0.4%  | 
氯化物Chloride  | ≤0.05%  | 
硫酸鹽sulfate  | ≤0.03%  | 
鐵鹽 Ironic Salt  | ≤30ppm  | 
含量 Assay(drying basis)  | 98.5~101.5%  | 
微生物檢測 Microbial Test  | |
總菌數 Total Aerobic  | ≤1000cfu/g  | 
霉菌和酵母 Yeast & Mold  | ≤100cfu/g  | 
大腸桿菌 E.coli  | Negative  | 
沙門(mén)氏菌 Salmonella  | Negative  | 
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request.  | |