R12 Replacement 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: Simply talk about hydrocarbons: Hydrocarbon products in the daily production, life is widely used, the most representative of the commercial life of the HCR433b hydrocarbon refrigerant, and the most representative of the automotive HCR436a hydrocarbon refrigerant.

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 a derivative of a hydrocarbon? What is an aromatic hydrocarbon derivative?: Hydrocarbon derivatives include derivatives of linear and aromatic hydrocarbons such as chloroethane bromopropane bromobenzene

Q: Are all carbon compounds all organic?: Not ah, like CO, CO2, carbonated, carbonate is not ah

Q: Will AsH3 (arsenic trioxide) is organic or inorganic: So the organic matter must contain the element is the C element

Q: Is the system name of a hydrocarbon derivative named if the question can be named according to the nomenclature of the alkane?: Halogen can be named after the alkane, the other can not

Q: From the molecular level, are not all the energy obtained from the redox reaction?: You find the block out of the lithium battery thrown into the fire try ........ look at how the energy density

Q: Organic chemistry, naming of derivatives containing oxygen (hetero) atomic bridged cyclic hydrocarbons: A little bit of a way to draw out with chemdraw, then convert structure to name

Q: Why can organic matter be unique in chemical substances? What is the nature of the C atom?: Organic carbon can be used in various architectures (ring, chain, short or long chain, twisted or planar aromatic or heterocyclic or naphthenes containing N / S / X halogen / P, etc.) Reaction mechanism (electrophilic addition, nucleophilic substitution, carbon positive ion intermediates, etc.). Due to the large negative carbon power is not great, the number of hybrid tracks can be 2 to 4 and not too much. For silicon, because of the electronegativity is less than hydrogen, resulting in silane hydrogen bonds in the biased hydrogen to make it easy to break, so silane in the air can be spontaneous combustion (not to mention disilane and above) The formation of compounds (similar to the alkyl) between the basic and hydrogen is so unstable that other similar compounds are difficult to stabilize.

Q: Why artemisinin and its derivatives in the molecular structure of a peroxide chain, the chemical properties are more stable?: Artemisinin is relatively stable, is relative to other organic peroxide in terms of, in general, most of the organic peroxide instability, heating easily decomposed, and some even easy to burn the explosion, such as dibenzoyl peroxide, but crystal cyan Artemisinin heating to the melting point does not break down, has been considered stable.

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