Chemicals

2,4-Dihydroxybenzoic acid

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Synonyms：

p-Hydroxysalicylic acid

4-Carboxyresorcinol

b-resorcylic acid

2,4,6-TRIPHENYLPYRYLIUM TETRAFLUOROBORATE

Benzoic acid, 2,4-dihydroxy-

resorcylic acid

Benzoic acid,2,4-dihydroxy

2,4-dihydroxy-benzoic acid

4-Hydroxysalicylic acid

Molecular Formula: C7H6O4

Molecular Weight: 154.12000

Appearance and properties: off-white to cream

Density: 1.559 g/cm3

Boiling point: 414.8ºC at 760 mmHg

Melting point: 208-211 °C (dec.)(lit.)

Flash point: 218.8ºC

Water solubility: 8 g/L (20 ºC)

Stability: Stable under normal temperatures and pressures.

Storage conditions: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.

Uses: Mainly used as dyes and pharmaceutical intermediates, and used in the production of acid mordant pink 3BM in the dye industry. This product has the chemical properties of resorcinol and salicylic acid. It is also used as a chemical reagent for colorimetric determination of iron, titanium and other elements. It is also used as an antibacterial and fungicide.

Items of Analysis	Standard of Analysis	Test Results
Appearance	Off-white to yellowish crystal powder	Conforms
Assay	≥99.0%	99.33%
Water	≤1.0%	0.18%
Residue on ignition	≤0.5%	0.22%
Conclusion	Conforms to Factory Standard

2,4-Dihydroxybenzoic acid

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