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25kg Antioxidant Propyl Gallate BP EP 99%, N Propyl Gallate, PG, CAS 121-79-9, EINECS 204-498-2
25kg Antioxidant Propyl Gallate BP EP 99%, N Propyl Gallate, PG, CAS 121-79-9, EINECS 204-498-2

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Propyl Gallate BP 99%
Starting from natural materials
A safe antioxidant for food, feed, pet food, cosmetics.

Propyl Gallate BP Grade / EP Grade 99%

 

Synonyms:

Propyl 3,4,5-Trihydroxybenzoate, N-Propyl Gallate

Molecular Formula:

C10H12O5

CAS#

121-79-9

EINECS:

204-498-2

Molecular Weight:

212.20

 

Specifications

 

Item

Requirement

Appearance

White or almost white, crystalline powder

Solubility

Very slightly soluble in water, free soluble in alcohol and in ether. It dissolves in dilute solutions of alkali hydroxides.

Identification

First identification: B;  Second identification: A,C,D

A. Melting Point: 148 - 151 °C 

B. Infrared absorption

C. Gallic Acid test by TLC           

D. Bismuth subnitrate test (bright yellow precipitate) 

Melting Point 

148  - 151 °C

Appearance of solution

Clear and not intensely colored than reference solution BY5

Gallic Acid    

Complies by TLC

Total Chlorine 

200 ppm max

Chlorides   

100 ppm max

Heavy Metals (As Pb)

10 ppm max

Loss on Drying

0.5% max (1g, 100 -105 °C)

Zinc     

25 ppm max

Sulphated Ash

0.1% max

Assay        

97.0 -103.0%

 

Application:

Antioxidant.

 

Packing:

In fiber drums /paper bags /cartons, 25kg net each.

 

Storage Recommendations:

To be stored in cool & dry place (<25 °C). Preserve in tight containers, protected from light, and avoid contact with metals.

 

Shelf Life:

24 months under above-mentioned conditions and in unopened container.

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