| ≥1 piece |
Ethyl p-Hydroxybenzoate
Basic Information
Product Number:SX2003
Chemical name: 4-Hydroxybenzoic acid ethyl ester
Product name:Ethyl 4-hydroxybenzoate
Molecular formula:C9H10O3
Molecular weight:166.18
CAS No.:120-47-8
EINECS No.: 204-399-4
Physical and chemical properties:
Melting point（℃）：116～118
Boiling point（℃）：297-298℃.
Appearance:White crystal with a little bitter taste.
Solubility:Easily soluble in alcohol, ether and acetone, almost insoluble in water.
Detailed Description:
Quality standard
|
Item |
Index |
||
|
GB 1886.31-2015 |
BP |
USP |
|
|
Appearance |
White crystalline powder |
Colorless crystal or white crystalline powder |
/ |
|
Content (dry basis) %≥ |
99.0-100.5 |
99.0-100.5 |
98.0-102.0 |
|
Melting point℃ |
115-118 |
115-118 |
115-118 |
|
Acidity |
/ |
Qualified |
Qualified |
|
Sulfate (SO42-) %≤ |
0.024 |
/ |
/ |
|
Heavy metal (Pb) %≤ |
0.001 |
/ |
/ |
|
Arsenic (AS) %≤ |
0.0001 |
/ |
/ |
|
Drying loss %≤ |
0.50 |
/ |
0.50 |
|
Residue on ignition %≤ |
0.05 |
0.1 |
0.1 |
|
Mass fraction of free acid (PHBA)% ≤ |
0.55 |
/ |
/ |
|
Related substances |
/ |
Qualified |
Qualified |
|
Appearance |
/ |
Clear and transparent |
Qualified |
|
Identification test |
/ |
Qualified |
Qualified |
Application:
The product is mainly used as preservative of foods, cosmetics, drugs, and feeds.
Packing:
Plastic bag, 1kg/bag, 20 bags/carton, or cardboard drum lined with plastic bag, net weight is 25kg or 50kg.
*Special requirements can be negotiated