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Quick Details

  • CAS No.: 123-31-9
  • Other Names: HQ
  • MF: C9H6O4
  • EINECS No.: 204-617-8
  • Place of Origin: Shaanxi, China (Mainland)
  • Grade Standard: Medicine Grade
  • Purity: 99%
  • Appearance: white powder
  • Application: Generally for photograph, dye, pesticide rubber, chemical
  • Brand Name: shunyi
  • Model Number: Photographic Grade,Technical Grade
  • color: white

Packaging & Delivery

Packaging Details 25kg/bag or according to your requiement
Delivery Time prompt

1.Product Description


Hydroquinone is an organic compound, mainly used for preparation of black and white developer, anthraquinone dyes, azo dyes, rubber antioxidant, stabilizer and antioxidant.


Product Name: Hydroquinone
CAS No.: 123-31-9
EINECS: 204-617-8
Molecular Weight: 178.1415
Molecular Formula: C6H6O2
Density: 1.563g/cm3
Melting Point(°C): 170-174ºC
Boiling Point(°C): 285-287ºC
Water Solubility: 70 g/L (20°C)









White or off-white powdery crystal

Off white crystal


99.0% to 101.0%


Melting Point

171.0 °C to 175.0 °C 



Up to standard


Ignition residue

0.05% max


Heavy metal

0.002% max



0.002% max








2.Function & Application:

1. Hydroquinone is mainly used as a photographic developer. Polymerization inhibitor hydroquinone and alkyl compounds are widely used to add monomer storage and transportation process, commonly used concentration of about 200ppm.
2. The hydroquinone can also be used as antioxidant for rubber and gasoline .
3. Processing field. Hydroquinone used as oxygen scavenger of boiler water.
4. The manufacturing anthraquinone dyes, azo dyes, pharmaceutical raw materials.
5. It can be used as detergent corrosion inhibitors, stabilizers and antioxidants, etc., are also used in cosmetic hair dye.
6. It can effectively treat pigmented skin.And can be used for skin whitening. 


3.Why choose us?


1.Free sample and Unconditional assume response
2.100% Natural product, without any synthesize ingredient
3.Manufacturer direct supply, provide OEM, R&D service   
4.Competitive price
5.Fast delivery by UPS,DHL, TNT, EMS, FEDEX, as your requirement, usually within 3 working days after confirming your payment

6.Material: Owning cultivation base as 100% Natural material stable source.
7.Testing equipment: UV, HPLC, GC
8.Supply Ability:
a. Production capacity: 1000kg/month, large stock available;
b. Supplying conventional and customized plant extract products 




4.Our Equipment





5. Our Certificate



6. our packing & shipping





7. FAQ


Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T , Western Union or Paypal or Escrow (Alibaba).
3. Q3: How to confirm the Product Quality before placing orders?
A: You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples.
You can send us your product specifications and requests, we will manufacture the products according to your requests.
4. Q4: Is there a discount?
A: Different quantity has different discount.
5. 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.


8. Contact Us:

Xi'an Shunyi Bio-Chemical Technology Co.,Ltd


No.61yi,Gaoxin road,Xi'an city,Shaanxi Province,China 710075

Telephone: 0086-29-89194256

Mobile Phone:+86 15398086380

Fax: 0086-29-89194258




Transaction History of the Supplier

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China (Mainland)
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1 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $30,000
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