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Home > Antioxidant & Preservative Ingredients > Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
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Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant

Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant

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Product Description

Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
📄 Product Description

Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant

Propyl gallate Basic Information
Product Name: Propyl gallate
CAS: 121-79-9
MF: C10H12O5
MW: 212.2
EINECS: 204-498-2
Propyl gallate Chemical Properties
Melting point 146-149 °C (lit.)
Boiling point 312.03 °C (rough estimate)
density 1.21
vapor pressure 0Pa at 20 °C
FEMA 2947 | PROPYL GALLATE
refractive index 1.5140 (estimate)
Fp 187 °C
storage temp. Store below +30°C.
solubility ethanol: 50 mg/mL
pka 8.11 (at 25 °C)
form powder
color White to light beige
Odor bland
biological source synthetic
Water Solubility 0.35 g/100 mL (25 ºC)
Merck 14,7859
BRN 1877976
InChIKey ZTHYODDOHIVTJV-UHFFFAOYSA-N
LogP 1.8
CAS DataBase Reference 121-79-9 (CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, 3,4,5-trihydroxy-, propyl ester (121-79-9)
EPA Substance Registry System Propyl gallate (121-79-9)
Propyl Gallate for Food Preservation and Antisepsis 121-79-9 Antioxidant
Propyl Gallate for Food Preservation and Antisoles 121-79-9 Antioxidant
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Propyl Gallate Packaging & Shipping
❓ FAQ Reference
Propyl Gallate FAQ
Q1: What is Propyl Gallate and how is it used?
A1: Propyl Gallate is an ester formed by the condensation of gallic acid and propanol. It is widely used as an antioxidant to protect fats, oils, and fat-containing foods from rancidity and spoilage, thereby extending their shelf life.
Q2: What is the CAS number and molecular formula of Propyl Gallate?
A2: The Chemical Abstracts Service (CAS) Registry Number for Propyl Gallate is 121-79-9, and its molecular formula is C10H12O5 with a molecular weight of 212.2.
Q3: What are the physical properties and appearance of this product?
A3: Propyl Gallate typically appears as a white to light beige crystalline powder. It has a bland odor, a melting point range of 146-149 °C, and a density of approximately 1.21.
Q4: Is Propyl Gallate soluble in water and other solvents?
A4: Propyl Gallate has a water solubility of approximately 0.35 g/100 mL at 25 °C. It is highly soluble in organic solvents, such as ethanol (50 mg/mL).
Q5: How should Propyl Gallate be stored to maintain its quality?
A5: It should be stored in a cool, dry place, preferably below +30°C. Keep the container tightly closed and protect it from direct sunlight and humidity.

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