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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 74-31-7
  • Other Names: Antioxidant H
  • MF: C18H16N2
  • EINECS No.: 200-806-4
  • Purity: high purity/three grades
  • Place of Origin: Liaoning, China (Mainland)
  • Type: Composite solid propellant
  • Usage: Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals
  • Brand Name: tanyun
  • Model Number: Antioxidant H
  • name: Antioxidant H
  • another name: N,N-diphenyl-p-phenylenediamine
  • abbreviation: DBS
  • CAS RN: 74-31-7
  • Molecule formula: C18H16N2
  • standard: Q/YTY001-2011
  • Appearance: powder
  • color: Greyish brown
  • purity: 2nd grade
  • usage: Composite solid propellant

Packaging & Delivery

Packaging Details Laminated film knitting bag, in which is put plastic bag, net weight 20 kg a bag.
Delivery Time soon

Antioxidant H


Product Description



  • Executive standard: Q/YTY001-2011
  • English name: Antioxidant H
  • English another name: N,N-diphenyl-p-phenylenediamine
  • English abbreviation: DBS
  • CAS RN :74-31-7
  • Sample availiable for you
  • purity: 2nd

 1. Physical and chemical properties                                                                               

  • Appearance: Greyish brown powder
  • Molecule formula: C18H16N2
  • Molecule weight: 260.34
  • Specific gravity: 1.2
  • Solubility: Dissolve in benzene, toluene, ether, acetone. Dissolve slightly in ethanol. Undissolved in water.
  • Boiling point : 220-225°C 0.5mmHg
  • Stability and reactivity : It’s flammable. When it’s exposed to air or sunlight the product will be oxidized and changed its color. When contacting with hot dilute hydrochloric acid it becomes green.

2. Technique indexes                                                                                                       






Initial melting point,°C




Ash content , %(m/m)




 Decrement by heating ,%(m/m)




Remainder through sieving (100),% (m/m)





Greyish brown powder


3. Usage                                                                                                                            

  • It’s used for those rubbers and latices of natural, styrene-butadiene, acrylonitrile-butadiene,cis-1,4-polybutadiene,butyl,butylhedroxyl,cis-1,4-polyisopreneetc,so that to possess them those properties such as good resistance to many times of flexure and chap-resisting , highten the elongating strength , strengthen the defending function to hot-oxygen , ozone and some harmful metals such as copper , manganese and so on , and do not influence vulcanization of those rubbers.
  • It can be resolved manifold problems existing in the deep-color rubber products while antioxidant H is used together with antioxidant D.
  • Moreover it can be also used as the hot-oxygen stabilizer for those engineering plastics such as polyethylene, polypropylene, polyamide, polyformaldehyde and etc to improve their climate-resisting performance. The referential dosage is 0.2-0.3%.

 4. Safety notes                                                                                                                  

The product is considered toxic. When handling it should be worn dust gauze mask, rubber gloves and rubberized fabric protection clothing.



Packaging & Shipping





 5. Package                                                                                                                        

Laminated film knitting bag, in which is put plastic bag, net weight 20 kg a bag.


 6. Storage                                                                                                                        

Keep in a shady and ventilating place. Its shelf life is 12 months. The product can be still used if up to standard through retest after the specified date.


 7. Transportation                                                                                                              

Prevent high temperature, sun-scorched and rain drenched during transportation.




Company Information





OUR COMPANY  ---www.tanyunchem.cn 


    Established in 1971 , Now We are One of biggest professional chemical materials


manufacturers and suppliers.Passed GJB9001B 2009(National Military Standard)


quality management system certification.With over 20 years experience in this field, 


our main products include fine chemical products, polyurethane foam gap filling agent


,PVB,chlorinated paraffin, aerosol cans,military and civil products, which are widely 


used in construction, industry daily chemical, medicine and other fields.


Our company will obedience to 'With sincere business ,Continuous Creation ,


win-win cooperation' to achieve the sustainable development.



Our certificate                                                                            


                       We have passed GJB9001B 2009(National Military Standard) quality management 


system certification , which is stricter than IS09001 international quality certificate , 


So we are sure that our product is with high quality.



The customers visit our factory                                               




Our Services



Why choose us                                                                         

1.Military production unit with high quality

2. Professional Service (Firstly reply, Fastly delivery)

3. Accept small order

4.Over forty years technique deposition


In addition:The company could research and develop the new products according to the special demand of our clients.


More detail please email us or reach me on my Skype ID:echo2321




1.Why  choose Tanyun  Chemical company?

We are the manufacturer with more than 40 years history.

2.what is ur payment term?

T/T in advance

3.Delivery time?

Soon after payment

4.Are u manufacturer?

Yes,we are manufacturer


                      welcome to inquiry ! 



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