Service Hotline: +86-571-89986846Product
Ethyl Paraben
■ Chemical Description
-- Ethyl 4-hydroxybenzoate, Ethyl Paraben
■ CAS No. 120-47-8
■ Molecular and Structural Formula C9H10O3
■ Characteristics
--White crystalline and tastes slightly bitter and astringent.;
--Easily dissolved in alcohol, ether, and acetone, but not dissolved in water;
■ Specification
No |
Tests |
Specification |
||
|
GB 8850-2005 |
B.P 2000 |
USP29-NF24 |
||
|
1 |
Characters |
/ |
Colorless crystals or white crystalline powder |
/ |
|
2 |
Purity (on dry base) % |
99.0-100.5 |
99.0-100.5 |
98.0-102.0 |
|
3 |
Melting Point oC |
115-118 |
115-118 |
115-118 |
|
4 |
Acidity |
/ |
qualified |
qualified |
|
5 |
Sulfate(SO42-) % |
≤0.024 |
/ |
/ |
|
6 |
Heavy Metal (Pb) % |
≤0.001 |
/ |
/ |
|
7 |
Heavy Metal(AS) % |
≤0.0001 |
/ |
/ |
|
8 |
Loss on Drying % |
≤0.50 |
/ |
≤0.50 |
|
9 |
Residue % |
≤0.05 |
≤0.1 |
≤0.01 |
|
10 |
p-Hydroxybenzoic Acid and Salicylic Acid |
≤0.55 |
/ |
/ |
|
11 |
Appearance of Solution |
/ |
qualified |
/ |
|
12 |
Identification |
/ |
qualified |
/ |
|
13 |
Related Substances |
/ |
/ |
qualified |
|
14 |
Organic Volatile impurities |
/ |
/ |
qualified |
■ Application
--Used as antiseptics for foodstuff, medicine and cosmetics and feed;
■ Packaging and Storage
--Packed in 25, 50 kg plastic bag;
--Stored in dry place at room temperature;
| 【Last】 【Next】 【Return】 |
