Горячая Распродажа N,N'-Diphenyl-1,4-phenylenediamine dppd антиоксидант H

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Hot sale N,N'-Diphenyl-1,4-phenylenediamine DPPD Antioxidant H


 



 


Antioxidant H (DPPD) cas 74-31-7 details





English alias: N, N-diphenyl-p-phenylenediamine
English abbreviation: Antioxidant H DPPD
CAS : 74-31-7
Molecular formula: C18H16N2
Molecular weight: 260.34
Specific gravity: 1.2
Solubility: Dissolve in benzene, toluene, ether and acetone. Dissolve slightly in ethanol. Insoluble in water.
Boiling point: 220-225℃, 0.5mmHg
Stability and reactivity: Flammable. When exposed to air or sunlight, the product will be oxidized and change its color. When contacted with hot dilute hydrochloric acid, it becomes green.


 


 


Application of Antioxidant H (DPPD) cas 74-31-7



Antioxidant H DPPD is a strong antioxidant properties of amine antioxidants, like general amine antioxidants, it has strong protective performance to heat, oxygen, light aging factors, in addition it also has obvious protective effect on ozone and harmful metals such as copper, manganese cause of ageing.


 


Antioxidant H DPPD has a good protective effect on environmental heat, oxygen, light, ozone and other factors in the product, and it has obvious effect in chloroprene rubber. Antioxidant H DPPD is used in rubber products, its flexural performance and crack resistance are improved remarkably.


 


Antioxidant H DPPD is widely used in various kinds of industrial rubber products, especially suitable for all kinds of automobile tires, motorcycle tires, moped, tire tread compound, it is often used in all kinds of belt, transmission belt, conveyor belt, etc., as well as a variety of rubber pad and wire and cable. It is also used for daily necessities such as soles.


 


Antioxidant H (DPPD) cas 74-31-7 Packing and Storage 


25kg per bag, packaged in paper bag lined with plastic bag , it should be stored in a cool and ventilated place. Its shelf life is 12 months. After the specified date, if the product reinspection is still up to standard, it can continue to be used.









 






















































Item



Index



Refined



1stgrade



2ndgrade



Initial melting point, ℃



≥140.0



≥135.0



≥125.0



Ash content, %(m/m)



≤0.40



≤0.40



≤0.40



Decrement by heating, %(m/m)



≤0.40



≤0.40



≤0.40



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



≤1.0



≤1.0



≤1.0



Appearance



Grey or brown powder



 



 



Shanghai Zoran New Material Co., Ltd is located in the economic center---Shanghai. We always adhere to "Advanced materials, better life" and committee to the Research and Development of technology, to make it used in human beings' daily life to make our life more better. We are committed to provide high-quality chemical materials with the most reasonable price for customers and have formed a complete cycle of researching, manufacturing, marketing and after-sale servicing. The company’s products have been sold to many countries around the world. We welcome customers from worldwide to visit our factory and establish a good cooperation together!


 


 




 




 


 



 



 


Q1: Are you a Manufacturer or Trading Company?
We are both. we have our own factory and R&D center. All our clients, from home or abroad, are warmly welcome to visit us!


Q2: Can you supply Custom synthesis service?
Yes, of course! With our dynamic group of dedicated and skilled people we can meet the needs of our customers worldwide, to develop customize specific catalyst according to the different chemical reactions, - in many cases in cooperation with our customers - that will enable you to lower your operating costs and improve your processes.


Q3: How long is your delivery time?
Usually it takes 3-7 days if the goods are in stock; Bulk order is according to the products and the quantity.


Q4: What's the shipping way?
According to your demands. EMS, DHL, TNT, FedEx, UPS, air transport, sea transport etc. We also could provide DDU and DDP service.


Q5: What’s your payment terms?
T/T, Western union, Credit card, Visa, BTC. We are gold supplier in Alibaba, we accept you pay it via Alibaba Trade Assurance.


Q6: How do you treat quality complaint?
Our production standards are very strict. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.


1.8769 s.