METHIONINE

Category:Natural Extracts > Cosmetics Raw Materials
Product Name:METHIONINE
CAS No.:63-68-3
Standard:ChP, In-house Standards
Price(USD):Negotiable
Company:Maanshan Tiantai Biotechnology Co.,Ltd

Basic Info
  • Grade: Cosmetic Grade

    Factory Location: Ma'anshan, China

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: yes

    Payment Terms: T/T

    化学名称:

    L-蛋氨酸

    INCI名称:

    蛋氨酸

    英文名称:

    METHIONINE

    CAS号:

    63-68-3

    HS编码

    2930400000

    化学式:

    C5H11NO2S

    分子量:

    149.21

    中文别名:

    L-蛋氨酸;

    L-2-氨基-4-甲硫基丁酸;

    L-甲硫氨酸;

    L-甲硫基丁氨酸;

    L-γ-甲硫基-α-氨基丁酸;

    L-蛋氨酸/L-甲硫氨酸;

    蛋氨酸

    英文别名:

    L-methionine;

    Methionine b-naphthylamide;

    N-L-Methionyl-2-naphthylamine;

    L-Methionyl b-naphthylamide;

    L-Methionine;

    S-methionine;

    Met-bNA;

    N-L-Methionyl-2-naphthylamin

    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

    5.6~6.1

    比旋度 Specification Rotation

    +22.4°~+24.7°

    熔点 Melting Point

    104~110℃

    干燥失重 Loss on Drying

    ≤0.3%

    灼烧残渣 Residue on Ignition

    ≤0.4%

    氯化物Chloride

    ≤0.05%

    硫酸盐sulfate

    ≤0.03%

    铁盐 Ironic Salt

    ≤30ppm

    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

    不得检出/g

    Negative/g

    沙门氏菌 Salmonella

    不得检出/g

    Negative/g

    Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request.

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