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
云霄县| 南通市| 内黄县| 重庆市| 苏州市| 深州市| 深圳市| 科技| 肥城市| 五莲县| 大洼县| 西乌| 河源市| 施甸县| 建始县| 华容县| 大港区| 汉川市| 梅河口市| 游戏| 黔南| 开鲁县| 津南区| 澜沧| 龙川县| 乌拉特中旗| 淮南市| 邵阳市| 长海县| 泽普县| 岐山县| 新野县| 道孚县| 东宁县| 古丈县| 丘北县| 雷山县| 中宁县| 福海县| 礼泉县| 安西县|