Propyl Gallate | CAS:121-79-9

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Propyl Gallate

Chemical Name: Propyl Gallate
CAS.NO: 121-79-9
Synonyms: 
Propyl Gallate
Propyl 3,4,5-trihydroxybenzoate
3,4,5-Trihydroxybenzoic acid propyl ester
gallic acid propyl ester
n-Propyl Gallate
 
Physical and Chemical Properties:
Density 1.4±0.1 g/cm3
Boiling Point 448.6±40.0 °C at 760 mmHg
Melting Point 146-149 °C(lit.)
Molecular Formula C10H12O5
Molecular Weight 212.199
Flash Point 181.3±20.8 °C
 
Specification:

Specification

Feed grade

Pharmaceutical grade

Food grade

Quality Standard

Factory

BP2013

FCC-IV

Assay

98-102%

≥99.5%

≥99%

Loss on Drying

≤0.5%

≤0.5%

≤0.5%

Gallic acid

≤1.0%

≤0.5%

≤0.5%

Residue on ignition

≤0.1%

≤0.1%

≤0.1%

APHA

≤50

≤50

≤50

Melting point

148-150

148-150

148-150

Heavy metal

≤20ppm

≤10ppm

≤10ppm

Lead/pb

5ppm max

5ppm max

2ppm max

As 

3ppm max

3ppm max

3ppm max

Hg 

1ppm 

1ppm 

1ppm 

 
Application:
Propyl gallate is used to protect oils and fats in products from oxidation; it is used in foods, cosmetics, hair products, adhesives, and lubricants. It is used as a triplet state quencher and an antioxidant in fluorescence microscopy.



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