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

PROPYL PARABEN


Trade name: JIEMOREL PP
Product name : PROPYL PARABEN
Chemical name : Propyl 4-hydroxybenzoate
CAS # : 94-13-3
Molecular formula : C10H12O3
Structural formula:
Molecular weight : 180.20
Physical and chemical properties
 :  white crystal ,easily soluble in alcohol and ether, nearly insoluble in water,Relative density(d4102 )1.0630,refractive index (nD102)1.5050
Product quality standard

 
Item
Index
Appearance
white powder
Purity (in dry basis), %
98-102
Melting point, ℃
96-99
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, 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
荣成市| 海晏县| 墨玉县| 汕尾市| 龙海市| 嘉黎县| 通城县| 贵溪市| 昭觉县| 综艺| 潮州市| 黄陵县| 论坛| 高台县| 盈江县| 广州市| 嫩江县| 明星| 天长市| 昌邑市| 青龙| 巨鹿县| 乐平市| 吴忠市| 平乡县| 嫩江县| 原阳县| 新安县| 寿宁县| 鲁山县| 乌兰浩特市| 司法| 喀喇| 鄢陵县| 子洲县| 沛县| 聊城市| 乐陵市| 阳谷县| 肇源县| 盖州市|