Methylparaben(Nipagin)
China [CN] 
Product Name: Methyl 4-hydroxybenzoateSynonyms: Methylparaben; 4-Hydroxybenzoic acid, methyl esterMolecular Formula: C8H8O3Molecular Weight: 152.15CAS NO.: 99-76-3
Physical Properties:Methylparaben also called as Nipagin, is white crystalline powder. Odorless And Tasteless .Easily soluble in alcohol, ether and acetone, slightly soluble in water.
Specifications:
|
Item |
Specifications |
||
|
Q/SH008-1999 |
BP 2009 |
USP32 |
|
|
Appearance |
White crystalline powder |
White crystalline powder |
White crystalline powder |
|
Assay(on dry base) % |
≥99.0 |
99.0-105.0 |
99.0-105.0 |
|
Melting point ℃ |
125-128 |
125-128 |
125-128 |
|
Loss in drying,% |
≤0.5 |
≤0.5 |
≤0.5 |
|
Residue % |
≤0.1 |
≤0.1 |
≤0.1 |
|
Acid degree |
Qualified |
Qualified |
|
|
Sulfate (SO42-),%: |
≤0.024 |
------------ |
------------- |
|
4-Hydroxybenzoic acid and Salicylic acid |
≤0.1 |
------------ |
------------ |
|
Organic volatile impurities |
------------ |
------------ |
Qualified |
Standard: Q/SH008-1999, BP, USP.
Uses and Applications:Methylparaben is mainly used as antiseptics in cosmetics, food and medicine. It is also can be used as feed preservatives. With excellent biological degradation function, it is a highly efficient emulsification stabilizer.
Package: 25KG per carton box or according to customers’ special requirements.
Storage: Kept in a dry, clean and airtight place. Avoid sunlight.
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