Antioxidants
REACH
Propyl gallate
CAS Number
121-79-9
EC Number
204-498-2
E Number
E310
FEMA Number
FEMA 2947
Abbreviation
PG
What is Propyl gallate?
Propyl gallate (CAS 121-79-9), also known as E310 and abbreviated as PG, is a synthetic antioxidant used in food, pharmaceutical, and cosmetic manufacturing.
Where is Propyl gallate used?
- Food: approved under its E number for edible fats, oils, margarine and snack foods
- Pharmaceuticals: stabilises lipid excipients in oral and topical dosage forms
- Cosmetics and personal care: protects emollient oils in creams, lotions and lip products
- Flavour and fragrance concentrates: stabiliser
- It prevents oxidative degradation in fats, oils and lipid-containing formulations.
Other Names (Synonyms)
E310|Propyl 3,4,5-trihydroxybenzoate|N-Propyl gallate|Progallin P|Gallic acid, propyl ester|Tenox PG|Nipagallin P|NIPA 49|PG
What are the physical properties of Propyl gallate?
Melting Point 130 °C
Boiling Point 312.03°C (rough estimate)
Density 1.210
Flash Point 187°C
Appearance white to light beige crystalline powder
Color White to light beige
Odor bland
Form powder
Water Solubility 0.35 g/100 mL (25 ºC)
Vapor Pressure 0Pa at 20℃
Refractive Index 1.5140 (estimate)
Log P 1.8
How is Propyl gallate classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard GHS05· Corrosive GHS08· Health Hazard
Hazard Statements
H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary Statements
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
Which trade and regulatory codes apply to Propyl gallate?
HS Code 29182950
WGK (Germany) 2