高清精品无码视频_国产丝袜无码视频一区二区_超碰对碰在线97_99精品伊人淫网_欧美另类丝袜变态一区

Contact Us
  • Tel: +86-553-3811918(Jack)
  • Mobile:19955325717
  • Fax: +86-553-3838185
  • E-mail:info@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
独山县| 连南| 获嘉县| 龙里县| 马龙县| 崇文区| 买车| 长泰县| 抚州市| 河东区| 黄骅市| 长白| 庆安县| 全椒县| 定安县| 大洼县| 萨嘎县| 盐边县| 天台县| 福海县| 盈江县| 伊金霍洛旗| 湾仔区| 双城市| 阳信县| 巴东县| 新营市| 阿瓦提县| 鱼台县| 桐城市| 林州市| 岳阳县| 万州区| 栾城县| 东城区| 巴楚县| 福泉市| 霍林郭勒市| 镇原县| 闸北区| 镇沅|