Description

Propyl Gallate is a synthetic phenolic antioxidant widely used to prevent rancidity and oxidative spoilage in fats and oils. Its primary value lies in extending the shelf life and maintaining the quality of products susceptible to oxidation. This compound is essential for manufacturers in the food, cosmetics, and industrial sectors seeking effective, cost-efficient stabilization solutions.

Application

• Food & Beverage Industry: Primary antioxidant for edible oils, fats, margarine, baked goods, and snack foods to prevent rancidity and preserve flavor.
• Cosmetics & Personal Care: Stabilizer in creams, lotions, lipsticks, and hair care products to protect oils and butters from oxidative degradation.
• Pharmaceuticals: Used as an antioxidant in certain drug formulations and topical ointments to enhance stability and shelf life.
• Industrial Applications: Antioxidant additive in lubricants, greases, plastics, and rubber to inhibit polymer degradation and extend material service life.
• Animal Feed: Preservative added to feed fats and oils to maintain nutritional quality and prevent spoilage.

Basic Information

Product Name	Propyl Gallate
CAS No.	121-79-9
Molecular Formula	C10H12O5
Molecular Weight	212.20 g/mol
Synonyms	Propyl 3,4,5-trihydroxybenzoate; Gallic Acid Propyl Ester; PG; Tenox PG; Nipagallin P; Progallin P; 3,4,5-Trihydroxybenzoic Acid Propyl Ester; E310
EINECS	204-498-2

Quality Control

Our Propyl Gallate is manufactured under strict quality management systems. We offer grades compliant with major international standards, including FCC (Food Chemicals Codex) and Pharmaceutical specifications. Every batch undergoes rigorous analytical testing to ensure identity, purity, and performance. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% min.
Melting Point	146 - 150 °C
Loss on Drying	0.5% max.
Sulfated Ash	0.1% max.
Heavy Metals (as Pb)	10 ppm max.

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.