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PROPYL-4-HYDROXYBENZOATE Extra Pure

Confirms to IP, BP, USP
Propyl paraben

COAs

Packings

500 g (00500)

5000 g (05000)

25 Kg (0025K)

50 Kg (0050K)

1PW1200750 1PW1206500 1PDL00030K 1PDLP0065K
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Article No. 05480 Grade Extra Pure
Purity 98% CAS No. 94-13-3
Molecular Formula C10H12O3 Molecular Weight 180.21
H.S. Code 2918.2990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 6.7
Melting point/ Freezing point [°C] 95 - 98 °C Auto-ignition temperature [°C] 600°C
Flash point [°C] 180 °C Vapour pressure mm/Hg 0.67 hPa @ 122°C
Solubility in water [% weight] Negligible

Specifications

Appearance White crystalline powder Assay (by HPLC; on dried basis) 98.0-102.0%
Solubility Very slightly soluble in water, freely soluble in alcohol and methanol Identification -
By Infrared Absorption Passes test Melting range 96 -99°C
Identification (by TLC) Passes test Identification ‘B’ Passes IP test
Appearance of solution Passes test Colour of solution Passes test
Acidity Passes test Sulphated ash Max 0.1%
Related substance (by HPLC) - Impurity A Max 0.5%
Unspecified impurities Max 0.5% Total impurities Max 1.0%
Chlorides Max 0.05% Sulphates Passes test
Loss on drying (5 hrs.over silica gel) Max 0.5%
Revision Date: 19-Mar-2024

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