Auto Refrigerant Gas

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 1000MT m.t./month

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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 Properties	Molecular weight	102.03
	BP, °C	-26.1
	Ice point °C	-
	Critical temperature , °C	101.1
	Critical pressure ,Mpa	4.07
	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
	ODP	0
	GWP	0.29
	Critical density,g/cm3	0.512
	Vaporization heat under BP,KJ/Kg	215
Quality Index	Purity%≥	99.9
	Moisture,PPm ≤	0.001
	Acidity,PPm ≤	0.00001
	Residue on evaporation ,PPm ≤	0.01
	Appearance	colorless , no cloudy
	Odor	no smell

Q:Why does the hydrocarbon derivative make the bromine water fade and the hydrocarbon can not: As long as carbon and carbon double bonds and three hydrocarbons can be hydrocarbons

Q:What are the gaseous states of the oxygen-containing derivatives of the hydrocarbons under the standard conditions?: Nitrogen derivatives are; dimethylamine;

Q:What is carbohydrate? What is organic? What is it?: Most organic compounds mainly contain carbon, hydrogen two 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 one of the reasons for the many organic compounds. Organic compounds in addition to a few, can generally burn. Compared with inorganic matter, their thermal stability is relatively poor, the electrolyte is easy to heat decomposition. The melting point of organic matter is low, generally not more than 400 ℃. The polarity of organic matter is very weak, so most of the water is not soluble. The reaction between organic matter, mostly intermolecular reactions, often requires a certain activation energy, so the reaction is slow, often requiring catalyst and other means. And the reaction of organic matter is more complex, under the same conditions, a compound can often be several different reactions at the same time, generate different products.

Q:The functional group of the derivative of the hydrocarbon: Yes, the number of carbon after a certain, only to determine the nature of the functional group. This is also the reason for the name of the functional group

Q:Carbon compounds (except inorganic carbon compounds), hydrocarbons and derivatives of the general term is?: Hydrocarbon it

Q:Are there two derivatives of equivalent hydrogen?: You give the scope is too broad, at least to set in what kind of functional group range ah.

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:What does organic and inorganic mean?: Organic and inorganic machine myself ~ female and male

Q:Are the asphalt and peat kinds of vegetables have heavy metal?: Asphalt is composed of different molecular weight hydrocarbons and non-metallic derivatives of dark brown complex mixture, is a high viscosity organic liquid, was liquid, the surface was black, soluble in carbon disulfide. Asphalt is a waterproof moisture and corrosion of organic cementitious materials. Asphalt can be divided into coal tar pitch, petroleum asphalt and natural asphalt three: Among them, coal tar pitch is a by-product of coking. Petroleum asphalt is the residue after distillation of crude oil. Natural asphalt is stored in the ground, and some of the formation of ore or in the crustal surface accumulation. Asphalt is mainly used for coatings, plastics, rubber and other industries and pavement and so on.

Q:Chemical life network: chemical (inorganic reaction, organic reaction) is equal to the life of life reaction?: Inorganic chemistry is a science that studies experimental and theoretical explanations of the properties and reactions of all the elements and their compounds, in addition to hydrocarbons and their derivatives, and is one of the earliest disciplines in the development of chemistry.

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