C24H38O4 DOP Dioctyl Phthalate DOP oil 99% 99.5% Manufacturer

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
8000 m.t./month

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Product Description:

               DOP 

Molecular Formular : C24H38O4
Molecular weight : 390.57
CAS No.:117-81-7
H.S Code : 2917.3200.00
EINECS No.: 204-211-0
Characteristics : Colorless transparent oily liquid, slight odor.

Processing : Injection Moulding

Application : It is one of the most extensively used plasticizers in plastics processing. It has comprehensive properties, such as high plasticizing efficiency, low volatility, UV-resisting property, water-extracting proof, cold-resisting property, and also good softness and electric property. As a fine main plasticizer, it is extensively used in processing polyvinyl choride and ethylcellulose resins to produce plastic film, imitation leather, electric wire, cable wearer, sheet, planet, mould plastic products and. Used in nitrocellulose paints, it can make the ethylcellu lose more elastic and more strong in extracting tension. It can be used as a softening agent of synthetic rubber, such as to make the product easier to rebound and harder to undergo form change under pressure, without affecting of the plastics. 

Specifications : 

Quality Index

Item

Value


Super Grade

First Grade

Qualified Grade

Appearance

Oily liquid

Color(APHA) ≤

30

40

120

PurityAs Ester% ≥

99.5

99.0

99.0

Acidity (benzene dicarbonic acid)g/cm

0.01

0.015

0.03

Loss on dry (125oC3hr)%≤

0.2

0.3

0.5

Flash point(open)oC ≥

195

192

190

Density20,g/cm3

0.982-0.988

Volume Resistivity ΩM ≥

1.5×1011

Heat decrement % ≤

0.2

0.3

0.5

Water content,%              ≤

0.1

0.15

0.15

Package and Storage : 
Packed in 200KG/Galvanized Iron Drum or 1000kg/ISO TANK or flexibag container
Stored at dry,shady,ventilated place. Prevented from collision and sunrays,rain-attack during handling and shipping. Met the high hot and clear fire or contact the oxidizing agent,caused the burning danger.


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Q:what is a catalyst?
A catalyst is a substance that increase the rate of chemical reaction without itself undergoing any permanent chemical changeb
Q:Chemical catalyst system baa?
Can speed up or slow down the reaction rate without participating in the reaction of the material
Q:why are catalysts never used up during reactons?
MAD = Mutual certain Destruction you could injury us, of direction. yet you could no longer injury us till now we, even from the grave injury you too. we can be lifeless, we understand that. yet you will no longer stay to confirm and revel in it. what would be left of the two one human beings will ought to combat the subsequent war with sticks and stones. 3 skill of dropping the bomb: by skill of airplane, by skill of submarine launch and by skill of ICBM Inter Continental Ballistic Missile. As the two events found out war exchange into certain destruction, neither fairly needed that. We have been given fairly near to nuclear war, exceedingly throughout the Cuba disaster. yet provided that a nuclear war might propose the certain finished destruction of and the U.S. and the u . s . and West + East Europe, it must be prevented. in assessment to on the instant. have been non secular fans already have the bomb (Pakistan) or very near to construct one (Iran) and don't care a rattling concerning the outcomes. Allah will supply! (them with seventy two virgins each and each)
Q:Will the catalyst change in the chemical reaction?
In fact, there are two kinds of catalyst mechanism, one is not a chemical reaction, the reaction did not occur throughout the chemical reaction, the catalyst did not change; one is involved in the reaction process, but the final production of the catalyst, which The class reaction generally occurs in a stepwise chemical reaction.
Q:Briefly define a homogenous catalyst? Help please!?
A homogenous catalyst is in the same phase as the rxn it is catalyzing. Most people think of catalysts as heterogenous: either sold (cat) liquid (rxn) (Raney Ni hydrogenation) or solid (cat) gas phase rxn) (catalytic convertors, NH3 production, SO2 oxidation, nitric acid production) polyethylene synthesis with Ziegler Natta catalysts. (Wikipedia). However starting probably with the Wilkinson hydrogenation catalyst Rh(PPh3)3Cl in 1966 a whole field of homogeneous catalysis has develope where the catayst is in soln. It proved to be a Renaissance for Inorg chem. These catalysts have several advantages over heterogenous catalysts: take place under mild conditions (green chem); the mechanisms are usually understood and can therefore be modified to be extremely specific for a substrate. There have been several Nobel Prizes in this area in the last decade because of their importance in organic synthesis: 2010, 2005, 2001. The one type of homolytic gas phase catalysis rxn I can think of are those that involve a radical chain mechanism: destruction of O3 by Cl• and chlorination (bromination) of alkanes.
Q:What is the chemical vinyl chloride and benzene plus catalyst?
Looks like no ethyl benzene, it is vinyl benzene
Q:What is the relationship between the chemical reaction rate and the number of activated molecules?
Nothing to do, but with the percentage of activated molecules, is proportional to
Q:The quality and nature of the catalyst before and after the chemical reaction did not change this sentence wrong?
The newspaper is wrong and find the teacher's theory. The
Q:explain how a catalyst can affect the rate of reaction but not be in the overall equation.?
a catalyst is a substance that speeds up the rate of reactions that would already happen (the reactions are spontaneous) but would take a long long time to occur. Every reaction proceeds from a level of high energy to a lower level of energy, but in order to start going downhill you need to get up, in affect getting more energy than the reactants have now. This is because the transition state, or what the reactnat/product is in the middle of the reaction, is less stable and requires more energy than the reactants. Catalysts lower the extra energy needed (called activation energy) to a level that the reactants already have, and the reaction occurs.
Q:What is the similarity between enzymes and general chemical catalysts?
(1) The enzyme is the same in many respects as a biocatalyst and a general catalyst, such as a small amount and a high catalytic efficiency. As with the general catalyst, the enzyme can only change the rate of chemical reaction and does not change the equilibrium of the chemical reaction It is possible to catalyze the activation of a large number of substrates in a short time and to reflect the high efficiency of enzyme catalysis.The enzyme can reduce the activation energy of the reaction (activation) (△ G) during the reaction, but the reaction rate is accelerated and the reaction time is reduced, but the equilibrium constant is not changed. (2) However, the enzyme is a biological macromolecule (1) Enzyme-catalyzed high efficiency: The catalytic effect of the catalyst can increase the reaction rate by 10 ^ 6 ~ 10 ^ 12 times, which is at least several times higher than that of the conventional catalyst. (2) The enzyme catalyst Highly specificity: including specificity of response, substrate specificity, chirality specificity, geometric specificity, etc., that an enzyme can only act on a certain class or a specific substance. Bond, ester bond, peptide bond and so on can be catalyzed by acid-base hydrolysis, but the hydrolysis of these chemical bonds are different, respectively, the corresponding glycosidase, esterase and peptidase, that is, they were specific (3) enzymatic reaction conditions are mild: enzymatic reaction is generally carried out in aqueous solution of pH = 5 ~ 8, the reaction temperature range is 20 ~ 40 ℃

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