Hydroquinone (Photographic Grade)

Hydroquinone (Photographic Grade)

Hydroquinone (Photographic Grade)
Hydroquinone (also known as Quinol or 1,4-Dihydroxybenzene) is a white crystalline solid, acting as a versatile organic intermediate. It possesses excellent reducing properties and polymerization inhibition capabilities. Our Hydroquinone is manufactured under strict quality control, ensuring high purity and stable performance for various industrial applications.
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Typical Properties

Product Details

PropertyDetails
Chemical NameHydroquinone
CAS Number123-31-9
Molecular FormulaC₆H₄(OH)₂ / C₆H₆O₂
Molecular Weight110.11 g/mol
AppearanceWhite or off-white free-flowing crystals
Purity (Assay)≥ 99.0% (Min.)
Melting Point172 - 174°C
Boiling Point285 - 286°C
SolubilitySoluble in water, alcohol, and ether.
HS Code (Tariff)2907.22
UN Number3077 (Environmentally hazardous substance, solid, n.o.s.)
PropertyDetails
Chemical NameHydroquinone
CAS Number123-31-9
Molecular FormulaC₆H₄(OH)₂ / C₆H₆O₂
Molecular Weight110.11 g/mol
AppearanceWhite or off-white free-flowing crystals
Purity (Assay)≥ 99.0% (Min.)
Melting Point172 - 174°C
Boiling Point285 - 286°C
SolubilitySoluble in water, alcohol, and ether.
HS Code (Tariff)2907.22
UN Number3077 (Environmentally hazardous substance, solid, n.o.s.)

Key Applications

Hydroquinone is widely used across multiple industries. Below are the primary application areas:

  • Polymer Industry

    • Inhibitor: Effectively prevents polymerization of monomers like acrylic acid, methyl methacrylate (MMA), and styrene during storage and transport .

    • Antioxidant: Used as an antioxidant in rubber, adhesives, and plastics to extend product life .

  • Photographic Industry

    • A traditional and effective black & white film and paper developer (Photographic Grade) .

  • Chemical Synthesis

    • Key intermediate for producing antioxidants, rubber chemicals, agrochemicals (herbicides), and dyes .

  • Pharmaceuticals & Cosmetics

    • Used as an excipient in pharmaceuticals and historically in topical skin-lightening preparations (Note: Regulatory status varies by region) .

Packaging & Storage

  • Packaging: Available in 25kg net kraft paper bags or fiber drums.

  • Storage: Keep container tightly closed in a cool, dry, and well-ventilated area. Protect from light and moisture to prevent discoloration.

  • Shelf Life: 24 months under standard storage conditions.

Safety & Handling

  • Hazard Statements (H-phrases): Harmful if swallowed (H302), May cause an allergic skin reaction (H317), Causes serious eye damage (H318), Suspected of causing genetic defects (H341), Very toxic to aquatic life (H400) .

  • Personal Protection: Wear chemical safety goggles, protective gloves (e.g., nitrile rubber), and protective clothing. Ensure adequate ventilation.

  • First Aid: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present. Continue rinsing and get medical advice/attention .


Experimental testing
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Packing and shipping
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