成人福利无码视频_夜色精品欧美极品_亚洲啊v在线播放_久热香蕉在线播放_熟女人妻三区四区

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
姚安县| 封开县| 綦江县| 诸城市| 五大连池市| 驻马店市| 漯河市| 巩留县| 台州市| 齐齐哈尔市| 乐平市| 金昌市| 原阳县| 丹阳市| 子长县| 漳平市| 金乡县| 嘉义市| 阜城县| 恩平市| 贡山| 宜川县| 揭西县| 溆浦县| 炉霍县| 永福县| 霍州市| 崇左市| 昌图县| 沭阳县| 太谷县| 武强县| 马龙县| 枝江市| 白河县| 建湖县| 平谷区| 镇赉县| 沐川县| 会东县| 玛纳斯县|