Rubber Chemcials Rubber Antioxidant PBN (D)

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Tianjin
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25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

PBN  (D)

Chemical nameN-Phenyl-β-Naphthylamine
Molecular formulaC16H13N
Molecular Weight: 219.29   
CAS NO.135-88-6
Executive standardQ/12HG 4521-2001

Specification


Item

Index

Appearance:

Light gray or brown powder

Soften Point,℃ ≥

105.0

Loss on drying,%≤

0.20

Ash,%≤

0.20

Screen residue (100meshes),% ≤                     

0.2

phenyl amine content

No blue and purple reaction by testing

Magnet object content ,% ≤

0.008

 

Properties: Light gray powder, the temperature of 108℃, the boiling point of 395.5℃, the relative density of 1.18. Extreme soluble acetone, ethyl acetate, methyl chloride, benzene, carbon disulfide, soluble in alcohol, carbon tetrachloride, is not soluble in water and petrol. Exposure to the air and sunlight will gradually become red ash.

 

Applications: The product is mainly used for natural and synthetic. Used in tyres, rubber belts, rubber shoes and so on.

 

Packing:Polypropylene knitted bags lined with polyethylene bags.Net weight 25kg per bag.

 

Properties: The product should be stored in the dry and cooling place with good ventilation . The product should be avoid hot sunshine.


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Q:What progress has chemistry brought to our life?
Q:Chemical "catalyst can speed up the chemical reaction rate of other substances," this sentence right?
Wrong, the catalyst is divided into two kinds, one is to speed up the chemical reaction speed, and the other is the opposite
Q:What does what does catalyst mean?
A catalyst is something that speeds up a reaction. Heat is a catalyst. An example is the catalytic converter in a car, it speeds up the reaction and makes the fumes coming out not as toxic.
Q:What is the standard for the storage of flammable and explosive chemicals now?
First, the basic requirements of classification of storage Dangerous goods, variety, complex performance, storage, in accordance with the zoning, classification, sub-section of the principle of special storage, set the number, set the number of fixed warehouses, fixed staff (four) custody. Small warehouses should be classified, divided, sub-stack storage, the performance of each other, fire fighting different items, dangerous dangerous goods and other general dangerous goods, should be stored separately.
Q:What is the difference between the conditions in the iron as a catalyst can not be reacted with toluene to produce tribromotoluene?
The concentrated bromine water is a bromine aqueous solution and the liquid bromine is pure bromine. Only liquid bromine can produce tribromotoluene, and to add iron powder as a catalyst, and the main production is to lead bromotoluene and p-bromotoluene, tribromotoluene this content is very small.
Q:What are the roles of enzymes (protein catalysts) in catalyzing biochemical reactions in the cell.?
Catalysts help shift the equilibrium of a reaction to one that is more favorable. They allow a naturally occurring reaction that may be extremely slow to progress faster or an unfavorable reaction to proceed forward. During the process catalysts are recycled, which means that at the catalyst is the same compound in the beginning and the end of the reaction, although during intermediate steps catalysts can change conformation. Catalysts shift the equilibrium of a reaction by lowering the activation energy of a reaction, which is the energy barrier which must be overcome in order for the reaction to proceed in a desired direction. This can be achieved in several ways such as providing favorable thermodynamic conditions for a reaction or creating intermediates which react more favorably to create the products. Inside the cell a lot of chemical reactions are either too slow to proceed naturally or are simply unfavorable. Catalysts help overcome those barriers. The substrate is the part of the reaction which gets transformed into the products after binding to the active site of the protein.
Q:how do catalysts help in green chemistry?
Catalysts allow more efficient conversion of products in irreversible reactions, or they allow for the faster attainment of equilibrium in equilibrium reactions, thereby reducing time, raw material waste and emissions. Also, because catalysts are reusable, they can be recycled.
Q:Which of the following are true about catalysts?
7 is definetly true
Q:A biological catalyst or a chemical reaction facilitator is know as a/an?
organic and organic catalyst is called ENZYME. A chemical reaction facilitator is called Catalyst A organic and organic molecule that aids enzimes paintings is called Cofactor despite if it extremely is metallic or coenzyme if its organic and organic in foundation.
Q:Does the catalyst participate in chemical reactions?
In fact, my understanding is to participate in the reaction, but in the whole process of reaction is both a reactant and a product. But in the reaction process is to participate.

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