Factory Supply Good Price Propyl Gallate CAS 121-79-9 Antioxidant Agent

• CAS No.: 121-79-9
• Formula: C15h22o5
• EINECS: 213-853-0
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: >12 Months
• Model NO.: 121-79-9
• Type: PG
• Resource: Natural
• Sample: Available
• MOQ: 25kg
• Self-Life: 3 Years
• Storage: Cool Dry Place
• Transport Package: Drum
• Specification: White crystalline powder
• Trademark: Labeyond
• Origin: China
• HS Code: 2918290000
• Production Capacity: 1000mt/Month

Product Description

Propyl gallate is an antioxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals. 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. Propyl gallate, or propyl 3,4,5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol. Since 1948, this antioxidant has been added to foods containing oils and fats to prevent oxidation. As a food additive, it is used under the E number E310.

Test Items	Specifications	Results
Appearance	White crystalline powder	White crystalline powder
Identification	A. Infrared absorption(197M) B. Ultraviolet absorption(197U) Sample solution:10uG/ml in methanol   Acceptance criteria: Meets the requirements	Conform
Melting Point ºC	146-150	147.6-149.2
Loss on Drying %	0.5MAX.	0.06
Residue on Ignition %	0.1MAX.	0.03
Gallic Acid %	0.5MAX.	0.04
Sulphate %	0.1MAX.	0.03

Purity %	98.0-102.0	99.96
Heavy Metal (PB),ppm	10MAX.	Conform
As(As2 o3 ),ppm	3MAX.	0.1%
Lead,ppm	5 MAX.	Conform
Zn,ppm	25MAX.	Conform
Mercury,ppm	1 MAX.	Conform
Chlorides,ppm	100MAX.	Conform
Total Chlorine,ppm	200MAX.	Conform