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NINGBO PANGS LANZA INTL CO.LTD

    
曲酸

曲酸
Kojic Acid


[Kojic Acid] [China]
发布日期: December 10, 2007
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曲酸<br> CAS号:501 - 30 - 4 ; <br>化学名称：曲酸; <br>正式名称为： 5 -羟基-2 -羟甲基- 1,4-酮<br>分子式： c6h6o4 ; <br>分子量： 142.1 <br>毒性：半数致死量= 2500-3500mg/kg 。 <br>溶水，乙醇，丙酮，稍微化解醚二酯二苯甲酸，氯仿和吡啶，不溶解苯;曲酸可以广泛应用于一些领域，如食品添加剂，化妆品，医药等，因为曲酸及其课后，可以抑制安全黑色素生长的身体皮肤，它的应用正在越来越多地广，美白化妆品，浴液，牙膏等，以自己的行动的防腐剂，抗氧化剂及彩色照顾，麴酸，也可以广泛应用于在食品无菌，抗氧化的油脂和食品，保鲜剂的水果和蔬菜，及彩色保健保鲜剂的肉类产品和水产品等。此外，曲酸也可用于合成抗生素中间体产品，农业植物修养和化学试剂等。 <br>质量标准的曲酸。 <br>项目指数<br>外观财产几乎白色结晶或结晶性粉末<br>纯度（ ％ ） 99.0分钟<br>熔点（摄氏度） 152-155 <br>干燥失重（ ％ ） 0.5最大值<br>点火残留量（ ％ ） 0.1最大值<br>氯化物（ ％ ） 0.005最大值<br>重金属（ ％ ） 0.001最大值<br>砷（ ％ ） 0.0001最大值<br>铁（ ％ ） 0.001最大值<br>微生物检验细菌： 3000cfu / g的最大值<br>大肠杆菌：阴性<br>真菌： 50个/ g的最大值

Kojic Acid
Cas No.:501-30-4;
Chemical name: Kojic Acid;
Formal name: 5-hydroxy-2-hydroxymethyl-1, 4-pyrone
Molecular formula: C6H6O4;
Molecular weight: 142.1
Toxicity: ld50 = 2500-3500mg/kg.
Dissolving water, alcohol, acetone, slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene; Kojic Acid can be widely used in some scopes, such as food additive, cosmetic, pharmacy etc. Because kojic acid and its ramification can inhibit safest the melanin growing of body-skin, its application is being more and more wide in whiten cosmetic, bath lotion, toothpaste etc. As to its actions of antiseptic, antioxidant and color-care, kojic acid also can be widely used in food aseptic, antioxidant of grease and food, antistaling agent of fruit and vegetable, and color-care antistaling agent of meat products and marine products. In addition, kojic acid can also be used in antibiotic synthetic intermediate products, agriculture plant tutelage and chemical reagent, etc .
The Quality Standard Of Kojic Acid.
Item Index
Appearance Property Almost White Crystal or Crystalline Powder
Purity(%) 99.0 min
Melting Point(Deg C) 152-155
Loss on Drying(%) 0.5 max
Ignition Residue(%) 0.1 max
Chloride(%) 0.005 max
Heavy Metals(%) 0.001 max
Arsenic(%) 0.0001 max
Iron(%) 0.001 max
Microbiological Test Bacteria:3000CFU/g max
Colon bacillus: Negative
Fungi: 50 CFU/g max
 
 
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位置:  China 
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相关分类: 化学试剂
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