27645

Gallic acid monohydrate

≥99% (HPLC)

• Synonym(s): 3,4,5-Trihydroxybenzoic acid monohydrate
• Linear Formula: (HO)₃C₆H₂CO₂H · H₂O
• CAS Number: 5995-86-8
• Molecular Weight: 188.13
• Beilstein: 2050274
• EC Number: 205-749-9
• MDL number: MFCD00002510
• UNSPSC Code: 12352100
• PubChem Substance ID: 24856708
• NACRES: NA.21

Properties

• Quality Level: 100
• Assay: ≥99% (HPLC)
• form: solid
• impurities: 7-12% water (Karl Fischer)
• ign. residue: ≤0.1% (as SO₄)
• mp: 252 °C (dec.) (lit.)
• anion traces: chloride (Cl^-): ≤200 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• SMILES string: OC(=O)c1cc(O)c(O)c(O)c1
• InChI: 1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12)/p-1
• InChI key: LNTHITQWFMADLM-UHFFFAOYSA-M

Description

General description

Gallic acid monohydrate is a phenolic acid. It is a planar molecule with two intramolecular hydrogen bonds and five intermolecular hydrogen bonds.

Application

Gallic acid monohydrate can be used as a reducing agent to synthesize Tin oxide (SnO₂) nanoparticles via the precipitation method using stannous chloride as a precursor salt.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): 482.0 °F - closed cup
• Flash Point(C): 250 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves