Refrigerant R134a Gas

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Tetrafluoroethane(R134a)

R12 replacement,it is an inert gas used primarily as a “high-temperature” refrigerant for domestic refrigeration and automobile air conditioners.

Application:
Refrigerant FOR CFC-12 substitute.
Packing:Disposable cylinder 13.6KG net or 22.7KG,ISO tank

R134a refrigerant

Detailed Product Description →R134a

HFC-134a ,CH2FCF3

Physical Properties:

Molecular weight	102.03
Boiling point under 1.013×105Pa,°C	-26.1
Density of liquid at 25°C,g/cm3	1.207
Vapor pressure at 25°C,MPa	0.665
Critical temperature,°C	101.1
Critical pressure,Mpa	4.067
Critical density,g/cm3	0.512
Latent heat of vaporation at bp.,KJ/Kg	215.0
Solubility in water at 25°C, % by weight	0.15
Specific heat, liquid, 30°C,KJ/Kg.°C	1.51
ODP	0
GWP	0.29

Specification:

Application:
Refrigerant FOR CFC-12 substitute.

Packing:
Steel cylinder 13.6KG net or 22.7KG net.

Q:Organic organic compounds are organic matter?: Your teacher said, "organic polymer compounds are a mixture," this sentence itself is contradictory ... ... compounds are mixed? The He was wrong it 囧,

Q:What is the difference between an aromatic compound and a hydrocarbon derivative?: The aromatic compound is a benzene ring containing compound, which may be a hydrocarbon or a hydrocarbon derivative. Hydrocarbons are hydrocarbon-containing compounds, and hydrocarbons containing hydrocarbons other than hydrocarbons are derivatives of hydrocarbons. The two concepts have crossed.

Q:What is the relationship between hydrocarbon and hydrocarbon derivatives?: Hydrocarbons, which are composed of two elements, carbon and hydrogen, are called hydrocarbons and hydrocarbons. It reacts with chlorine, bromine vapor, oxygen, etc. to produce hydrocarbons.

Q:Why artemisinin and its derivatives in the molecular structure of a peroxide chain, the chemical properties are more stable?: Stable, then it will not be 60 degrees that is broken down, there is no need for rectal administration ... ...

Q:The role of aromatic hydrocarbons: Two cases: First, the name of monocyclic aromatic hydrocarbons, usually benzene ring for the mother, alkyl as a substituent. Second, the structure is more complex aromatic hydrocarbons, usually based on the hydrocarbon base, benzene ring as a substituent. Xylene, 2-methyl-3-phenylpentane, diphenylmethane, etc. For the naming of multifunctional compounds, attention is given to the priority order of the functional groups. The priority is preceded by the parent, usually: cations, COOH SO2H, COOR, COCl, CONH2, CN, CHO, CO, OH, SH, NH2, alkynes, alkenes, ethers, X, NO2, etc. [2]

Q:The aromatic hydrocarbon derivative refers to monocyclic or polycyclic: To see what is the derivative of aromatic hydrocarbons, by its own is a single ring or multi-ring decision

Q:What is the proportion of hydrocarbons synthesized by Fischer-Tropsch Synthese in liquid fuels consumed by Nazi Germany? What are the proportions of these hydrocarbons as an industrial raw material into their military industry, in addition to fuel? At that time, did the Fischer-Tropsch preparations occupy an important position in Nazi Germany's military industry or heavy industry?: Now, the improved economic benefits of FT still limit its further development. Some of the enterprises' coal indirect liquefaction projects have been terminated (for example, Shenhua Group), coupled with the impact of breakthrough development of shale oil technology, the development prospect of coal indirect liquefaction not optimistic.

Q:Why the silicon hydride less, a lot of hydrocarbons. (Why did not you find silicon-based creatures) and why are so many oxides of silicon, little carbon oxides?: You know silane bar, SiH4, this thing will be spontaneous, very unstable

Q:Is not organic matter must not hydrogen ah?: Organic matter that organic compounds. Carbon compounds (carbon monoxide, carbon dioxide, carbonates, metal carbides, cyanide excluded) or hydrocarbons and their derivatives in general. Organic matter is the material basis for life. 【Features】 Most organic compounds mainly contain carbon and hydrogen elements, in addition often contain oxygen, nitrogen, sulfur, halogen, phosphorus and so on. Part of the organic matter from the plant sector, but the vast majority of oil, natural gas, coal as raw materials, through artificial synthesis method. Compared with inorganic substances, the number of organic matter, up to several million kinds. The carbon atoms of the organic compound have a very strong ability to bind to each other to form a carbon or carbocyclic ring. The number of carbon atoms can be 1,2, it can be thousands, tens of thousands, many organic polymer compounds can even have hundreds of thousands of carbon atoms. In addition, the isotopic phenomenon of organic compounds is very common, which is the cause of many organic compounds

Q:What is the hydrocarbon thing: Hydrocarbons can be divided into: open chain hydrocarbons (carbon atoms in hydrocarbon molecules in open chain) - saturated hydrocarbons - alkanes - unsaturated hydrocarbons - olefins and polyolefins (carbon - carbon double bonds, unstable) - alkynes and (Cyclopentane) - cycloalkene - cycloalkyne aromatic hydrocarbon - monocyclic aromatic hydrocarbon (benzene and its homologues) - fused ring aromatic hydrocarbons (Polycyclic aromatic hydrocarbons and their homologues) - polycyclic aromatic hydrocarbons (naphthalene, anthracene and other condensed ring aromatic hydrocarbons and their homologues) all hydrocarbons are hydrophobic, that all the hydrocarbons are not soluble in water and coal The main ingredients are hydrocarbons

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