Gallic acid

CAS Number: 149-91-7

Molecular Formula: C7H6O5

Purity: Gallic acid 98% purity

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About Gallic acid

Gallic acid (CAS 149-91-7) is a cornerstone of the US API intermediates market, where its use in the synthesis of antibacterial agents like Trimethoprim and various propyl gallate derivatives requires Pharma/API purity 99% to ensure compliance with strict FDA and USP standards. 3,4,5-Trihydroxybenzoic acid serves as an...

Gallic acid Specifications

CAS Number

149-91-7

Molecular Formula

C7H6O5

Molecular Weight

170.12 g/mol

IUPAC Name

3,4,5-trihydroxybenzoic acid

Canonical SMILES

C1=C(C=C(C(=C1O)O)O)C(=O)O

InChI Key

LNTHITQWFMADLM-UHFFFAOYSA-N

InChI

InChI=1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12)

PubChem CID

370

EINECS Number

205-749-9

MDL Number

MFCD00002510

HSN No

29182910

CAS Number

149-91-7

Molecular Formula

C7H6O5

Molecular Weight

170.12 g/mol

IUPAC Name

3,4,5-trihydroxybenzoic acid

Canonical SMILES

C1=C(C=C(C(=C1O)O)O)C(=O)O

InChI Key

LNTHITQWFMADLM-UHFFFAOYSA-N

InChI

InChI=1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12)

PubChem CID

370

EINECS Number

205-749-9

MDL Number

MFCD00002510

HSN No

29182910

Molecular Weight

170.12 g/mol

Purity

Gallic acid 98% purity

Melting Point

251-260 °C (dec.)

Boiling Point

259.73°C (rough estimate); 501.00 °C @ 760.00 mm Hg; Sublimes

Freezing point

251°C

Flash Point

250 °C

Density

1.7 g/cm3

pKa

68a2fcdee7d27f5bea9ec2f9

Precise Quality

149-91-7

PSA

98 Å²

logP

0.7

Average mass

170.12 g/mol

Monoisotopic mass

170.02152329 Da

Molar mass

170.12 g/mol

Vapour pressure

0.00000012 mmHg

Precautionary Statement Codes

P261, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, and P501

Hazard Classes and Categories

Skin Sens. 1 (96.4%) Eye Irrit. 2A (100%)

Analytical Standard

A certified reference material used as a primary standard for the quantification of total phenolic content via the Folin-Ciocalteu method and for the calibration of HPLC and mass spectrometry instruments

Pharmaceutical Intermediate

A bioactive phenolic acid utilized in the synthesis of antibacterial agents like trimethoprim and as a precursor for various esters with antioxidant and anti-inflammatory properties

Food Additive and Preservative

A natural antioxidant and antimicrobial agent employed to enhance the shelf life of oils, fats, and beverages by preventing oxidative rancidity

Reducing Agent

A versatile chemical used in the green synthesis of metal oxide nanoparticles, such as tin oxide (SnO2), through precipitation methods

Manufacturing Intermediate

A key component historically used in the production of iron gall inks and currently utilized in the manufacturing of dyes and photographic developers.