Hefei TNJ chemical industry co.,ltd
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CAS NO.99-76-3
ethylparaben CAS: 99-76-3
Chemical Name:methyl 4-hydroxybenzoate
|
|
|
Structural Formula |
Trade Name: methyl paraben
Molecular Formula:C8H8O3
Molecular Weight:152.15
CAS#:99-76-3
Physical and Chemical Properties: This product is white crystalline. It is easily dissolved in alcohol, ether, acetone, and slightly dissolved in water. Its boiling point is 270-280°C.
Quality Specification
|
Item |
Specification |
||
|
Q/SH008-2000 |
B.P2000 |
USP29-NF24 |
|
|
Characters |
/ |
Colorless crystals or white crystalline powder |
/ |
|
Purity (on dry base) % |
99.0 |
99.0-100.5 |
99.0-100.5 |
|
Melting Point °C |
125-128 |
125-128 |
125-128 |
|
Acidity |
qualified |
qualified |
qualified |
|
Sulfate(SO42-) % ≤ |
0.024 |
/ |
/ |
|
Loss on Drying % ≤ |
0.50 |
0.50 |
0.5 |
|
Residue % ≤ |
0.10 |
0.10 |
0.1 |
|
p-Hydroxybenzoic Acid and Salicylic Acid % ≤ |
0.10 |
/ |
/ |
|
Related Substances |
/ |
qualified |
/ |
|
Appearance of Solution |
/ |
Clear |
/ |
|
Organic Volatile impurities |
/ |
/ |
qualified |
|
Identification |
/ |
/ |
qualified |
Usage:This product is mainly used as antiseptics in foodstuff, medicine and cosmetics. It can also be used in feed as antiseptics.
Package: It is packed by hardboard drums within double PE linings. Each drum has net weight of 25kg or 50kg.
White crystalline powder performance additives Methylparaben 99%
Chemical Name :methyl 4-hydroxybenzoate
Trade Name : methyl paraben
Molecular Formula:C8H8O3
Molecular Weight :152.15
Structural Formula:
Physical and Chemical Properties: This product is white crystalline. It is easily dissolved in alcohol, ether, acetone, and slightly dissolved in water. Its boiling point is 270-280°C.
Quality Specification:
|
Item |
Specification |
||
|
Q/SH008-2000 |
B.P2000 |
USP29-NF24 |
|
|
Characters |
/ |
Colorless crystals or white crystalline powder |
/ |
|
Purity (on dry base) % |
99.0 |
99.0-100.5 |
99.0-100.5 |
|
Melting Point °C |
125-128 |
125-128 |
125-128 |
|
Acidity |
qualified |
qualified |
qualified |
|
Sulfate(SO42-) % ≤ |
0.024 |
/ |
/ |
|
Loss on Drying % ≤ |
0.50 |
0.50 |
0.5 |
|
Residue % ≤ |
0.10 |
0.10 |
0.1 |
|
p-Hydroxybenzoic Acid and Salicylic Acid % ≤ |
0.10 |
/ |
/ |
|
Related Substances |
/ |
qualified |
/ |
|
Appearance of Solution |
/ |
Clear |
/ |
|
Organic Volatile impurities |
/ |
/ |
qualified |
|
Identification |
/ |
/ |
qualified |
Usage:
This product is mainly used as antiseptics in foodstuff, medicine and cosmetics. It can also be used in feed as antiseptics.
Package:
It is packed by hardboard drums within double PE linings. Each drum has net weight of 25kg or 50kg.