Auto Refrigerant Gas

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Product Description:

R 134a is a refrigerant to replace CFC -12 in mobile air conditioning and in residential,

commercial and industrial refrigeration systems. It is also used as a blowing agent in rigid

foam insulation, and an important component of blends such as R 404a , R 407c , etc.

Physical PropertiesMolecular weight102.03
BP, °C-26.1
Ice point °C-
Critical temperature , °C101.1
Critical pressure ,Mpa4.07
Density of saturated liquid25 °C,(g/cm3)1.207
Specific heat of liquid 25 °C,[KJ/(Kg• °C)]1.51
Solubility(water,25 °C)%0.15
ODP0
GWP0.29
Critical density,g/cm30.512
Vaporization heat under BP,KJ/Kg215
Quality IndexPurity%≥99.9
Moisture,PPm ≤0.001
Acidity,PPm ≤0.00001
Residue on evaporation ,PPm ≤0.01
Appearancecolorless , no cloudy
Odorno smell


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Q:1. What are liquid hydrocarbons?
(3) polyethylene (2) is not, is a hydrocarbon derivative, there are C, H, O elements (3) polyethylene material (polyethylene material non-stick pan) (4) oil and oil produced gasoline is liquid , The general organic polymer materials can be burned
Q:Simply talk about hydrocarbons
Hydrocarbons in petroleum are abbreviations of hydrocarbons, which are written in the "water" and "water" in "carbon". Hydrocarbons are classified as saturated hydrocarbons and unsaturated hydrocarbons. Petroleum hydrocarbons are mostly saturated hydrocarbons, and unsaturated hydrocarbons such as ethylene, acetylene, etc., generally only in the oil processing process can be obtained.
Q:Is polyethylene a derivative of hydrocarbons?
No, the derivative of the hydrocarbon is an element other than c.H
Q:Does Organic Chemistry Study the Performance of Hydrocarbons and Their Derivatives?
Also study the structure and transformation
Q:What is organic compounds?
Definition: Organic matter usually refers to carbon-containing compounds, or hydrocarbons and their derivatives are collectively referred to as organic compounds.
Q:Inorganic chemistry employment direction? Current research direction
Inorganic chemistry is the science of the composition, nature, structure and reaction of inorganic matter, which is the oldest branch of chemistry. Inorganic substances include all chemical elements and their compounds, except for most of the carbon compounds. (In addition to carbon dioxide, carbon monoxide, carbon disulfide, carbonates and other simple carbon compounds are still inorganic substances, the rest are organic matter.) Inorganic chemistry is in addition to hydrocarbons and their derivatives, the nature of all elements and their compounds And their reaction to experimental research and theoretical interpretation of science, is the development of the discipline of the earliest branch of a discipline.
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:Is carbon monoxide an organic gas?
Carbon dioxide is highly toxic. It is a strong ability to combine blood hemoglobin, which leads to cell hypoxia and suffocation. At present, if the trace carbon monoxide environment work, do not wear a gas mask and other necessary, it is recommended to eat more iron and calcium foods to reduce the harm to the body.
Q:How the most primitive life on earth is produced under what conditions
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:Carbon compounds (except inorganic carbon compounds), hydrocarbons and derivatives of the general term is?
Hydrocarbon it

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