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149-91-7 - 3,4,5-Trihydroxybenzoic acid, 98% - Gallic acid - B24887 - Alfa Aesar

B24887 3,4,5-Trihydroxybenzoic acid, 98%

Número CAS
149-91-7
Nombre Alternativo
Gallic acid

Tamaño Precio ($) Cantidad Disponibilidad
250g 63,20
1000g 192,00
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3,4,5-Trihydroxybenzoic acid, 98%

MDL
MFCD00002510
EINECS
205-749-9

Propiedades químicas

Fórmula
C7H6O5
Peso molecular
170.12
Punto de fusión
ca 251° dec.
Densidad
1.694
Solubilidad
Soluble in water, alcohol, ether, glycerol and acetone. Insoluble in benzene, chloroform and petroleum ether.

Aplicaciones

Organic acid is used as a standard for determining phenols in the Folin-Ciocalteau assay3,4,5-Trihydroxybenzoic acid is used as a cyclooxygease inhibitor substance, which is found in plants. In analytical chemistry, it is used as a standard to determine phenol content in various analytes. It acts as a starting material for the preparation of psychedelic alkaloid mescaline. Further, it is used to produce polyesters based on phloretic acid and gallic acid. In addition to this, it is used in the preparation of its esters such as methyl gallate, ethyl gallate, propyl gallate, octyl gallate and doceyl gallate.

Notas

Hygroscopic. Light sensitive. Incompatible with strong oxidizing agents, strong bases, acid anhydrides, acid chlorides, metals.

Referencias documentales

Pisani, O.; Frey, S. D.; Simpson, A. J.; Simpson, M. J. Soil warming and nitrogen deposition alter soil organic matter composition at the molecular-level. Biogeochemistry 2015, 123 (3), 391-409.

Diamanti, J.; Francesca, B.; Franco, C.; Clara, B.; Annalisa, B.; Francesca, G.; Maurizio, B.; Bruno, M. Physico-chemical characteristics of thermally processed purée from different strawberry genotypes. J. Food Compos. Anal. 2015, 43, 106-118.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Merck
14,4345
Beilstein
2050274
Código de tarifa arancelaria unificado
2918.29
TSCA
Yes
RTECS
LW7525000

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