| ≥1 piece |
Basic Information
Product Number: SX2005
Chemical name: 4-Hydroxybenzoic acid butyl ester
Product name: Butyl paraben
Molecular formula:C11H14O3
Molecular weight:194.23
Structural formula:
CAS No.:94-26-8
EINECS No. :202-318-7
Physical and chemical properties
Melting point 69~72℃
Density :1.168g/cm3
Solubility:<0.1 g/100 mL at 17℃
Appearance:White crystal, with a little special odor.
Solubility: Soluble in alcohol, ether and trichloromethane, poorly soluble in water.
Detailed Description
Quality standard
|
Item |
Index |
||
|
BP |
USP |
Q/SH 010-2014 |
|
|
Appearance |
Colorless crystal or white crystalline powder |
/ |
/ |
|
Content (dry basis)%≥ |
99.0-100.5 |
98.0-102.0 |
99.0 |
|
Melting point℃ |
68-71 |
68-72 |
68-72 |
|
Acidity |
Qualified |
Qualified |
Qualified |
|
Sulfate (SO42-)%≤ |
/ |
/ |
0.024 |
|
Drying loss %≤ |
/ |
0.50 |
0.50 |
|
Residue on ignition %≤ |
0.1 |
0.1 |
0.10 |
|
P-hydroxybenzoic acid and salicylic acid%≤ |
/ |
/ |
0.10 |
|
Arsenic (AS)%≤ |
/ |
/ |
0.0001 |
|
Heavy metal (Pb)%≤ |
/ |
/ |
0.001 |
|
Appearance |
Clear and transparent |
/ |
/ |
|
Related substances |
Qualified |
/ |
/ |
|
Identification test |
/ |
Qualified |
/ |
|
Organic volatile impurities |
/ |
Qualified |
/ |
Application
This product is mainly used as organic synthesis intermediate, preservative and fungicide of medicines, cosmetics, films and high-grade products.
Packing
Plastic bag, 1kg/bag, 20 bags/carton, or fiber drum lined with plastic bag, net weight is 25kg or 50kg/drum.
*Special requirements can be negotiated