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Methyl p-Hydroxybenzoate High quality Methyl p-Hydroxybenzoate cas no:99-76-3
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Methyl p-Hydroxybenzoate
product number: SX2002
Chemical Name:methyl 4-hydroxybenzoate
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℃.
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 ℃
|
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 with plastic bags. Each has 1 kg. A box holds 20 bags(paperboard box). It is also packed by hardboard drums within double PE linings. Each drum has net weight of 25kg or 50kg.
Superiority:
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