PropylParaben(Nipasol)
China [CN] 
Product Name: Propyl p-hydroxybenzoateSynonyms: Propyl paraben; 4-Hydroxybenzoic acid propyl ester; Propyl chemsept;Molecular Formula: C10H12O3Molecular Weight: 180.2CAS NO.: 94-13-3
Physical Properties: Propyl paraben also can be called as Nipasolis White crystalline powder.Nipasol is with a special smell and astringent taste. Easily soluble in alcohol, propanediol and sodium hydroxide, but it is hard to dissolve in water.Specifications:
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Item |
Specifications |
||
|
GB8851-2005 |
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 ℃ |
95-98 |
95-98 |
95-98 |
|
Loss in drying, % |
≤0.5 |
≤0.5 |
≤0.5 |
|
Residue % |
≤0.05 |
≤0.05 |
≤0.05 |
|
Heavy metals(Pb) % |
≤0.001 |
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Acid degree |
Qualified |
Qualified |
Qualified |
|
Sulfate (SO42-), % |
≤0.024 |
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------------ |
|
4-Hydroxybenzoic acid and Salicylic acid |
Qualified |
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------------ |
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Appearance of solution |
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Clear |
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Identification |
------------ |
------------ |
Qualified |
|
Organic volatile impurities |
------------ |
------------ |
Qualified |
Standard: GB8851-2005, BP, USP.
Uses and Applications: Propyl paraben is mainly used as antiseptics in cosmetics, food and medicine. It is also can be used as feed preservatives.
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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