PropylParaben(Nipasol)

Product Name: Propyl p-hydroxybenzoate
Synonyms: Propyl paraben; 4-Hydroxybenzoic acid propyl ester; Propyl chemsept;
Molecular Formula: C₁₀H₁₂O₃
Molecular Weight: 180.2
CAS 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:

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	------------	------------
Acid degree	Qualified	Qualified	Qualified
Sulfate (SO42-), %	≤0.024	------------	------------
4-Hydroxybenzoic acid and Salicylic acid	Qualified	------------	------------
Appearance of solution	------------	Clear	------------
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.Δ TOP