GALLIC ACID - (149-91-7)


Nome: gallic acid; 3,4,5-trihydroxybenzoic acid
Numero CAS: 149-91-7
Formula chimica: C7H6O5 or C6H2(OH)3COOH
Massa molare: 170.11954 g
Percentuale di massa: C 49.421 %; H 3.5549 %; O 47.023 % 


Usi / Funzione

• "A colorless crystalline acid. It occurs naturally as an excrescence on the twigs of trees, esp. oaks, as a reaction to the deposition of gall wasp eggs. It is used as a skin astringent and in the manufacture of writing inks and dyes." 1


doppi legami: 4
tripli legami: 0
Sigma Bonds: 18
pi Bonds: 4
Totale: 22
carboxyl Gruppi: 1
gruppi idrossilici: 3

Per maggiori informazioni


(1) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 21.