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149-91-7 - 3,4,5-Trihydroxybenzoic acid, anhydrous, 99% - Gallic acid - B24887 - Alfa Aesar

B24887 3,4,5-Trihydroxybenzoic acid, anhydrous, 99%

CAS Number
149-91-7
Synonyms
Gallic acid

Size Price ($) Quantity Availability
250g 62.62
1000g 190.55
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3,4,5-Trihydroxybenzoic acid, anhydrous, 99%

MDL
MFCD00002510
EINECS
205-749-9

Chemical Properties

Formula
C7H6O5
Formula Weight
170.12
Melting point
ca 251° dec.
Density
1.694
Solubility
Soluble in water, alcohol, ether, glycerol and acetone. Insoluble in benzene, chloroform and petroleum ether.

Applications

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.

Notes

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

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/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. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,4345
Beilstein
2050274
Harmonized Tariff Code
2918.29
TSCA
Yes
RTECS
LW7525000

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