- CAS No.: 74-31-7
- Other Names: Antioxidant H
- MF: C18H16N2
- EINECS No.: none
- Place of Origin: Liaoning, China (Mainland)
- Classification: Volatile Solvent Adhesives
- Main Raw Material: Acrylic
- Usage: Construction, Fiber & Garment, Footwear & Leather, Packing, Transportation, Woodworking
- Brand Name: tanyun
- Model Number: Q/YTH001-2006
- Category: Rubber Auxiliary Agents
- Usage: Rubber Auxiliary Agents
- Type: Adsorbent
- Adsorbent Variety: Molecular Sieve
- Supplier Location: China (Mainland)
- Initial melting poin: ≥140.0
- Ash content (m/m): ≤0.4
- Decrement by heating (m/m): ≤0.4
- Remainder through sieving (m/m): ≤1.0
- Appearance: Greyish brown powder
Classification : Volatile Solvent Adhesives
CAS No : 74-31-7
Initial melting poin : >140
Ash content (m/m) : <0.4
- Executive standard: Q/YTH 001-2006
- English name: Antioxidant H
- English another name: N,N-diphenyl-p-phenylenediamine
- English abbreviation: DPPD
- CAS RN :74-31-7
1.Physical and chemical properties:
1.1 Appearance: Greyish brown powder
1.2 Molecule formula: C18H16N2
1.3 Molecule weight: 260.34
1.4 Ash content , %(m/m): ≤O.40
1.5 Specific gravity: 1.2
1.6 Solubility: Dissolve in benzene, toluene, ether, acetone. Dissolve slightly in ethanol. Undissolved in water.
1.7 Boiling point : 220-225°C 0.5mmHg
1.8 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:
3. Uses:It’s used for those rubbers and latices of natural, styrene-butadiene, acrylonitrile-butadiene,cis-1,4-polybu tadiene,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 hotoxygen 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.
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 .
YingkouTanyun Chemical Research Institute Co., Ltd. - referred to as the TanyunChemical Industry, Formerly known as Yingkou Petrochemical Institute, foundedin 1971.Its a professional committed to the fine chemical products,polyurethane foam gap filling agent, PVB, chlorinated paraffin, aerosolcans,military and civil products development and production of researchproduction enterprise.The products are widely used in construction, industry,daily chemical, medicine and other fields.The company is located in Liaoning(Yingkou) Coastal Industrial Base, West of Xinhu Street, covering 116,000square meters.Consists of four branches: Yingkou Tanyun Chemical PackagingProducts Co., Ltd. ,Yingkou Tanyun Polymer Resins Co., Ltd., Tanyun Chemical -Hebei Xinji paraffin plant.
The company has passed the GJB9001B 2009 (nations scale) qualitymanagement system certification,Weapons and equipment research and productionsecurity authentication,Weapons and equipment research and production license.We have the level of chemical enterprise quality inspection institutionqualification. We have been accepted the high and new technology enterprise ofLiaoning province, civilization integrity private enterprise qualification ofLiaoning province,enterprise technology center qualification of Liaoningprovince,Good faith demonstration enterprise of Liaoning province.ourcompany has cooperated with Jinan Yihemanagement consulting company, Shenzhen Qizhengweice enterprise consulting co.,LTD,Beijing Bishang consulting company, for Promotionof brand and enterprise culture construction,and made the "performance management system andsalary management system".
Thecompany has undertaken the national torch plan project, the national "EighthFive-Year Plan" key research project, key military projects of ministry ofchemical industry, the weapon department, space department and provincial andmunicipal key research projects more than 50 items; It also obtains thenational, provincial and ministerial and the municipal scientific andtechnological progress award more than 40 items. We have ever won "InventionInnovation Science and Technology Star Award" issued by the China division,United Nations TIPS system, "Fly Dragon Award" of excellent productof international economic committee, provincial and ministerial fine-quality productaward; We has been rated the AAA-class enterprise in quality credit and the well-knownenterprise in prestige of Chinese market. We are a national, provincial andmunicipal approved, very strong enterprise. So far, our company plays animportant role and position of modernization construction in the domesticchemical industry and national defense industry; We have a market place in thefierce competition. Currently, our company has established a long-term, stablebusiness relationship with the domestic 15 military company, and we are ratedas excellent supplier; The products are exported to Europe, America, India andother countries.
TanyunChemical has one-class management team and strong technology support. Seniormanagers in our corporation all have rich management experience from manyyears' practical work in the fields. Besides for four research laboratories,physical and chemical analysis laboratories and instrument analysislaboratories, our corporation also enters into long-term technology agreementwith School of Chemical Engineering and Technology of Tianjin University andSuzhou University to enhance for creating an enterprise with technology as maincompetitiveness
TanyunChemical insists on the business strategy of "Honest Business and Win-winCooperation". It carries out team construction in systematized and humanisticway, aiming at building up a new-type chemical enterprise of strong cohesionand sustainable development.