Chemical name: 1,4-Dihydroxybenzene Description: needle like crystal Molecular formula: C6H6O2 Molecular weight: 110.11

Hydroquinone

Chemical name: 1,4-DihydroxybenzeneDescription: needle like crystalMolecular formula: C6H6O2Molecular weight: 110.11Specific gravity: 1.332Melting point: 172oCBoiling point: 286oCFlashing point: 165oC

Hydroquinone is soluble in water, alcohol, ether and slightly soluble in benzene.Uses: hydroquinone is an important chemical industry materia, which is mainly used in developer anthraquinone, azobenzene dye, synthetic ammonia flux, rubber antiox-idant, paint and stabilizer as well antioxidant of essense. Specification: Industry grade , photographic gradePacking: in 25kg water proof poly compound bag within liner, per 15-17/mt in a 20'fcl. Storage and transport: It should be handled with care when it is used and transported. It should be handled as general poisonous chemical goods.Standard: Main quality standard indicators.

Items	Photographic-gradeGB10552-89	Industrial-gradeQ/320700FE02-1999
Appearance	white or off-white powdery crystal	white or off-white powdery crystal
Content %(m/m)	99.0-101.0	99.0-101
Melting point oC	≥ 170.0	171.0-175.0
Solubility		Up to standard
Ignition residue	≤0.1%	≤ 0.05 %
Heavy metal (Pb)		≤ 0.002 %
Iron (Fe)		≤ 0.002 %

Hydroquinone (HQ)