Foaming Agent R142b

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Shanghai
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1000MT m.t./month

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142b refrigerant

it is used for temperature control of the media and aviation propellant intermediates. Also used as chemical raw materials.



Property of chloride:

Formula:                         CH3CCLF2

Molecular weight:                     100.5

B. P., °C:                             -9.8

Critical temperature,,°C:                136.45

Critical pressure, MPa:                  4.15

Critical density, g/cm3:                  0.495

Liquid density, g/cm3 30°C:              1.096

Vapor pressure(absolute pressure),21.1°C MPa: 0.3

ODP:                               0.0133


Quality standard:

Appearance:             Colorless, no turbid

Odor:                           Odorless

Purity, ≥%:                       99.9

Water, ≤%:                        0.001

Acidity, ≤%:                      0.0001

Residue on evaporation, ≤%:         0.01


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Q:Is polyethylene a derivative of hydrocarbons?
No, the derivative of the hydrocarbon is an element other than c.H
Q:Carbon compounds (except inorganic carbon compounds), hydrocarbons and derivatives of the general term is?
Hydrocarbons and hydrocarbon derivatives
Q:Why does the molecular atom compound do not belong to the life structure
Life structure is composed of CHO as the main element through the covalent bond of the combination of hydrocarbons and their derivatives, and you said the molecular atomic compounds are usually atomic or ionic bond
Q:What is the current status of carbon dioxide capture technology and how is it compared to plants that absorb carbon dioxide?
I think it 's harder if the thing is to be industrialized. = Such as carbon dioxide hydrogenation into methane, after the methane transport or storage is also a relatively large problem bars And not to say that the hydrogenation of carbon dioxide into methane has been studied for a long time, but it does not seem to have developed any big news like ah There is also electrochemical reduction of carbon dioxide. It is relatively easy to produce formic acid in the aqueous phase, such as the Partially oxidized atomic cobalt oxide for carbon dioxide electroreduction to liquid fuel (Nature: Nature Publishing Group) recently made by Xie Yi. The But the separation of formic acid and water is also a more difficult thing ah. The
Q:Ionic compounds, covalent compounds, electrolytes, non-electrolytes, which are both compounds and inorganic compounds
An electrolyte is a compound capable of being conductive in an aqueous solution or in a molten state, such as an acid, a base and a salt. Those compounds that can not be electrically conductive in the above cases are non-electrolytes such as sucrose, alcohol and the like.
Q:Why does the hydrocarbon derivative make the bromine water fade and the hydrocarbon can not
Should be able to ah and bromine water addition reaction and fade:
Q:What does organic and inorganic mean?
Organic and inorganic machine myself ~ female and male
Q:Compare the difference between London smoke and Los Angeles photochemical smog
Los Angeles photochemical smog nitrogen content and hydrocarbons and derivatives more, mainly close to the car exhaust. Foggy London situation related to coal, soot solid particles and sulfur oxide more. Foggy London is more bleak, and Los Angeles is more toxic.
Q:What is the most primitive person on earth?
These macromolecules are not in the modern sense of the protein and nucleic acid polymer, but a variety of amino acids, nucleosides, phosphoric acid, carbohydrates and some other small molecules of the disorder of the polymer, when the nucleoside and phosphoric acid composition of nucleoside Acid, and gradually form a nucleotide chain, the formation of these nucleotide chain of the amino acid on the formation of the field of binding force, and then assembled peptide chain. Or by the combination of a variety of amino acids into peptide chain formed by the force field on the surrounding nucleus formation field binding effect, and then assembled the nucleotide chain, with the formation of peptide chain and nucleotide chain longer and longer , The molecular weight is growing, and ultimately the formation of nucleic acids and proteins, nucleic acid and protein formation is the product of interaction with each other, is generated at the same time.
Q:NH4HCO3 and so have C atoms ah, why still inorganic
Organic matter is a general term for carbon compounds (except carbon oxides, carbon dioxide, carbonates, carbonates, bicarbonates, metal carbides, cyanides, thiocyanides and other oxides) or hydrocarbons and their derivatives. Organic matter is the material basis for life. The inorganic compound usually refers to a compound containing no carbon element, but a few carbon-containing compounds such as carbon dioxide, carbonic acid, carbon monoxide, carbonate and the like do not have the properties of an organic substance, and therefore such substances are also inorganic.

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