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
加勒比色综| A片在线免费| 亚洲1级黄色电影。| 91欧美综合| 久草av一区| 高潮毛片一区二区三区| 美女av电影| www.C0maV三级| 高清无码肏屄视频| 欧美在线牲交| 成人av无码观看| 亚洲一二三视频| 黄色一级A片孕妇| AAA级黄色视频| 午夜影院91| 月韩毛片| 伊人狂干AV| 东京热无码A片免费播放| 超碰91亚洲| 超碰人人干人人摸| 久草亚洲成人| 亚洲成人综合一区| 日韩特色特黄录像| 美女无码AV| 看aⅴ网站| ava片在线看| 在线观看黄色AV网站| 在线看黄色av网站| 色九月亚洲无码爱爱| 国产现代av三级片| sm一级在线| 日本avAV一级片| 黄色香蕉网站| 婷婷精品粉嫩蜜桃喷水| A片久草视屏| 激情无码视频久久| www毛片| 免费av大全| 无码任你躁久久久久| 涩五月婷婷| 乱系列国产视频|