亚洲色情无码,韩国黄色毛片,超碰在线大香蕉,91性爱导航,加勒比综合久

Contact Us
  • Tel: +86-553-3811918(Jack)
  • Mobile:19955325717
  • Fax: +86-553-3838185
  • E-mail:info@bfinechem.com
  • URL:www.huahaibiochem.com
ProductsHome > Products

BUTYL PARABEN


Trade name: JIEMOREL BP
Product name : BUTYL PARABEN
Chemical name : Butyl 4-hydroxybenzoate
CAS # : 94-26-8
Molecular formula : C11H14O3
Structural formula:
Molecular weight : 194.23
Physical and chemical properties
:  white crystal, lightl smell, dissoved in alcohol, ether, hardly soluble in water
Product quality standard

 
Item
Standard
Appearance
white powder
Purity (in dry basis), %
98-102
Melting point, ℃
68-72
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 for 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
日本免费成人电影| 超碰91超碰在线| 一级片AV免费看| 亚洲日韩av在线导航| 人人操人人吊| 色情AV第一页| 国产AV导航一区| 在线观看a片的网站| A片黄色区| 成人无码一级片| 操逼一级AV| 影音先锋 亚洲成人AV| 97三级网站| 日韩国产三级AV| 欧美高潮AAAAAA片| 色图色色视屛| 美国一及A片黄色A片| 黄con| 日韩欧美黄色| 英国一区二区天长久久| 亚洲无码色| 免费看日本A片| 超碰人妻草| 国产成人777777| 成年性爱| 亚洲一级二级毛片在线看| 成人兔费看V片| 一区AV免费看| 超碰网站97| 美国一级黄a大片免费| 国产超碰 人人爽| 日韩精品1区| 在线A片网| 日本精品成人网址| 不卡一级片| av网黄| 毛片直接看| 香蕉大青青国产91| 日本一区二区不卡| 亚洲黄色电影免费观看| 欧美一级悠悠久久|