1,4-benzenediol/Hydroquinone Powder

CAS No.:123-31-9
Other Names:1,4-Benzenediol
EINECS No.:204-617-8
Place of Origin:Jiangsu, China
Type:Pharmaceutical Intermediates
Product Description

Pharmaceutical Grade 99% Pure CAS 123-31-9 1,4-benzenediol/Hydroquinone Powder



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CAS No: 123-31-9
Appearance: White Crystalline Powder
Grade:  Cosmetic
Molecular Formula: C6H6O2
Melting Point: 172-175 °C(lit.)
Boiling Point: 285 °C(lit.)
Density: 1.32
Refractive Index: 1.6320


1. Hydroquinone is organic compounds. White crystalline powder.

2. Hydroquinone is toxic. Adult takes 1 gram by accident, can have headache, dizziness, tinnitus, pale complexion and other symptoms.

3. Hydroquinone is highly flammable in flames.

4. Hydroquinone can react with strong oxidizer.

5. Hydroquinone releases poisonous gas when it is decomposed by heating.

6. Hydroquinone is mainly used for making black and white contrast, anthraquinone dyes, azo dyes, rubber protective agent, stabilizer and antioxidant.



1. Hydroquinone is used primarily as a photographic developer. Hydroquinone and alkylate is widely used for monomer stored process of adding inhibitor. The commonly used concentration is about 200 PPM.
2. Hydroquinone can be used to produce rubber antioxidant.
3. Hydroquinone can be used to produce anthraquinone dyes, azo dye, and as pharmaceutical raw materials.



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Q3: How about delivery leadtime?
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Q4: Is there a discount?
A: Different quantity has different discount.

Q5: How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.


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