Methyl 4-Hydroxybenzoate
Product Name: Methyl 4-Hydroxybenzoate (Pharmaceutical Grade)
CAS No.: 99-76-3
Molecular Formula: C8H8O3
Packaging: 25kg/bag
Standard: USP 30
Application: It is mainly used as antiseptic of organic synthesis in food, medicines, cosmetics and feed.
Specification
|
Item |
Specification |
Result |
|
Characters |
White crystalline powder |
Conform |
|
Purity(%) |
98.0-102.0 |
99.86 |
|
Acidity(PH) |
4.0-7.0 |
5.32 |
|
Melting point(℃) |
125-128 |
125.5-126.3 |
|
Sulfate(SO42-) |
≤300ppm |
Conform |
|
Residue on ignition(%) |
≤0.10 |
0.02 |
|
Organic volatile impurities |
≤0.5 |
|
|
Loss on drying(％) |
≤0.5 |
Conform |