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Hydroquinone Industrial Photographic is an industrial grade of hydroquinone used as a primary inhibitor, antioxidant, and intermediate.
Eastman Hydroquinone Industrial Photographic is an industrial grade of hydroquinone (HQ) that reacts quickly with oxygen to prevent free radical polymerization. HQ is an economical and good general-purpose inhibitor, antioxidant, and stabilizer. Along with being used as a primary inhibitor, HQ is also used as an intermediate to manufacture other inhibitors, antioxidants, stabilizers, agricultural chemicals, and dyes.
Appearance: White crystals
Flash point: 177°C (350°F)
Boiling point: 286°C (547°F)
Density @ 4°C: 1.34 g/mL
Molecular weight: 110.11
CAS: 123-31-9
Primary Chemistry: Hydroquinone, benzene-1,4-diol, quinol
Low cost
Reacts quickly to oxygen
Prevents oxidation and free radical polymerization
Does not degrade to ammonia
Effective stand-alone oxygen scavenger
Ineffective antioxidant
Poor polymerization inhibitor
Yellowing resin
Storage and in-process polymerization inhibitor for resin manufacturing
Oxygen scavenger in water treatment applications
Intermediate for agricultural chemicals
Intermediate chemical for dyes
Oxygen scavenger for oil field and downhole drilling applications
Hydroquinone plays an important role as an oxygen scavenger in oilfield applications to prevent equipment wear and damage.
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