av一本到久久免费|国产视频专区在线观看|中文字幕v亚洲日本在线|亚洲AⅤ精品一区二区三区|亚洲国产综合人成综合网站|97免费精品国自产拍在线|免费无码一级成年片在线观看|国产成人精品久久亚洲高清不卡

Contact Us
  • Tel: +86-553-3836920(Tim)
  • Mobile:19955325751
  • Fax: +86-553-3838185
  • E-mail:timwei2008@bfinechem.com
  • URL:www.huahaibiochem.com
ProductsHome > Products

METHYL PARABEN


Trade name: JIEMOREL MP
Product name : METHYL PARABEN
Chemical name : Methyl 4-hydroxybenzoate
CAS# : 99-76-3
Molecular formula : C8H8O3
Structural formula:
Molecular weight : 152.15
Physical and chemical properties:white crystal, easily soluble in alcohol, ether and acetone, lightly soluble in water, boiling point: 270-280℃
Product quality standard

 
Item
Standrd
Appearance
white powder
Purity (in dry basis), %
98-102
Melting point, ℃
125~128
Loss on drying, %
≤0.5
Residue on ignition, %
≤0.1
Acidity
up to standard
4-Hydroxybenzoic acid and salicylic acid
up to standard
Solubility
easily soluble in alcohol, ether and acetone, lightly soluble in water


 Uses:
global registration, no stimulation on eyes, skin and mucosa
● widely applied in cosmetics, medical and food industry
● dosage: 0.2~0.5%
● PH range for application: 4~8,
Packaging: 25KG/fiber can or on demand
Storage: Should be preserved in cool and dry place sealed。shelf life is 36 months


[ Back ]


Copyright(C)2017,Wuhu Huahai Biotech Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice