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Propyl gallate CAS 121-79-9

Propyl gallate (PG), also known as propyl gallate, is a synthetic oil soluble antioxidant. Oil soluble antioxidants are all phenolic compounds, including butyl hydroxyanisole (BHA), dibutyl hydroxytoluene (BHT), tert butylhydroquinone (TBHQ), etc. In addition to PG, they can provide hydrogen atoms to combine with the free radicals generated by the auto oxidation of oils and fats, forming relatively stable structures and blocking the chain auto oxidation process of oils and fats, thus achieving the purpose of antioxidant.
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  • 121-79-9

  • bosschemical

  • 121-79-9

Propyl gallate Basic information
Description References
Product Name: Propyl gallate
CAS: 121-79-9
MF: C10H12O5
MW: 212.2
EINECS: 204-498-2
Mol File: 121-79-9.mol
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℃
refractive index  1.5140 (estimate)
FEMA  2947 | PROPYL GALLATE
Fp  187℃
storage temp.  Store below +30°C.
solubility  ethanol: 50 mg/mL
form  powder
pka 8.11(at 25℃)
color  White to light beige
Odor bland
biological source synthetic
Water Solubility  0.35 g/100 mL (25 ºC)
Merck  147,859
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)

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