Changzhou Comwin Fine Chemicals Co., Ltd.
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Product Name |
Methyl Paraben
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Chemical Name(Synonyms)
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Methyl paraben; Methyl p-hydroxybenzoate; 4-(Methoxycarbonyl)phenol; 4-Hydroxybenzoic acid methyl ester; 4-(Carbomethoxy)phenol; Methyl Parasept; Methyl Butex; Methaben; Metaben; Methyl 4-hydroxybenzoate
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CAS Number
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99-76-3
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Molecular Formula
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C8H8O3
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Molecular Weight
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152.15
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ITEMS |
SPECIFICATION
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Appearance |
White crystalline powder |
Clarity and Color of Solution |
Clear and Transparent |
Acidity |
Meets the requirements |
Melting Point
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125.0128.0
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Residue on Ignition
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≤0.1%
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Acidity
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≤0.1% |
Loss on Drying
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≤0.5% |
Related Substances |
Meets the requirements |
Heavy Metals(Pb) |
≤10ppm |
As |
≤1ppm |
Sulphated Ash |
≤0.1% |
Organic Volatile Impurities |
Meets the requirements |
Assay (on dried basis)
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99.0 ~ 100.5%
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