123-31-9 CAS No. and China Supplier Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone

  Product DescriptionProduct Identification: CAS No.: 123-31-9 Molecular Formula: C6H6O2  Items of AnalysisSpecificationTesting MethodAppearanceWhite Needle CrystalIn House # PSB01Melting Point(ºC)171-175GB/T1.1-2009Assay(%)99.0-101.0In House # 

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123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone




 



123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone
123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone

Product Description

Product Identification:
CAS No.: 123-31-9
Molecular Formula: C6H6O2

 

 

Items of AnalysisSpecificationTesting Method
AppearanceWhite Needle CrystalIn House # PSB01
Melting Point(ºC)171-175GB/T1.1-2009
Assay(%)99.0-101.0In House # PSB10
Water(%)0.5 maxGB/T1.1-2009
Solubility (20ºC)(G/L)(%)70GB/T1.1-2009
Heavy Metal (As PB) (ppm)0.005 maxGB/T1.1-2009
Incinerate Residue Content(%)0.05 maxGB/T1.1-2009
Fe(ppm)20 maxGB/T1.1-2009
Clarity of Solution(1:30)ClearGB/T1.1-2009
ConclusionConform to BP Grade

 

 

 

Application:
1. Hydroquinone is mainly used as developing agent in photograph
2. Antioxidant for rubber and gasoline, dye intermediate, etc.
3. Polymerization inhibitor for styrene, butadiene, isoprene, vinyl acetate, acrylonitrile and other resin or rubber monomers
4. Polymerization for styrene, acrylic and other vinyl monomers, terminating agent or stabilizer for high-temperature emulsion polymerization reaction
5. Developer in photoengraving
Company Information


123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone
 

Packing & Shipping


123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone
 

 


123-31-9 CAS No. and China Suppliers Photo Grade Whitening Hydroquinone Hydroquinone Powder Pure Hydroquinone
 

Q1. What payment terms is acceptable to you?
T/T or L/C.


Q2. What's your delivery time?
Usually we will arrange the shipment in 10 -15 days.


Q3. How about the packing?
We can do according to the customer's request.


Q4. When can I get quotation for my inquiry?
Usually within 24 hours!


Q5. How about the validity of the products?
According to the declaration of manufacturer.


Q6. What documents do you provide?
Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA, Health certificate and Origin certificate. If your markets have any special requirements, please let us know.


Q7. Where is your loading port?
Usually Qingdao, China. Also Tianjing, Shanghai and so on.

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