Refrigerant R290 Gas

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High pure grade R290 is used as temperature sensing medium. Premium grade and first grade R290 can be used as refrigerant and can replace R22.

Molecular Weight 44.9

Boiling Point, -42.2

Critical Temperature, 96.67

Critical Pressure, Mpa 4.25

Saturated Liquid Density,25,(g/cm3) 0.58

Specific Heat of Liquid,25,[KJ/(kg)] 1.64

ODP 0

GWP 0.01

Purity,% ≥99.8

Moisture,PPm ≤10

Acidity,PPm ≤0.1

Vapor Residue,PPm ≤100

Appearance Colorless,No turbid

Odor No Strange Stench

Q:Artemisinin is not a derivative of hydrocarbons: There are many types of hydrocarbons, flammable and explosive materials, the structure of the known hydrocarbons in more than 2000. The hydrocarbon is the parent of the organic compound, and the other various organic compounds can be regarded as derivatives of one or more hydrogen atoms in the hydrocarbon molecule being replaced by atoms or radicals of other elements.

Q:Does Organic Chemistry Study the Performance of Hydrocarbons and Their Derivatives?: Also study the structure and transformation

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: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: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:Such as the problem, and how, how to squeeze methane into liquid, or how to squeeze into the liquid gas? It is still very difficult ... there is a dangerous thing .... (this is not important) high reward: (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:What is the most primitive person on earth?: The process of organic life is roughly divided into three steps: first the original earth simple inorganic compounds to form the original organic matter (hydrocarbons and its simplest derivatives), the second is based on the first step, gradually developed into a complex Organic compounds (sugars, nucleotides, amino acids) and their polymer polysaccharides, nucleic acids and proteins, as well as other organic substances, and the third is that with the evolution of natural conditions on Earth, the above substances are complex interactions, resulting in a metabolic Characteristics, can grow, reproduce, inheritance, variation of the original organic organisms.

Q:What is "organic" and "inorganic" in chemistry?: Carbon compounds, not carbon oxides, carbonates, bicarbonates are organic matter

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: Hydrocarbon, which is composed of two elements, consists of carbon and hydrogen. It is called a hydrocarbon and a hydrocarbon, which reacts with chlorine, bromine vapor, oxygen and so on. It does not react with strong acid, strong base, strong oxidizer (Such as: potassium permanganate) reaction, such as methane and chlorine in the light conditions of reaction to produce methyl chloride, dichloromethane, chloroform (chloroform) and tetrachloromethane (carbon tetrachloride) and other derivatives in the Hydrocarbon molecules in the carbon atoms connected to each other to form a carbon chain or carbon ring molecular skeleton, a certain number of hydrogen atoms attached to the carbon atoms, so that each carbon atom to maintain the price of the type of hydrocarbon is very much, the structure of known hydrocarbons More than 2,000 hydrocarbons are the parent of an organic compound. Other organic compounds can be seen as derivatives of one or more hydrogen atoms in the hydrocarbon molecule that are replaced by atoms or radicals of other elements. Word, is the use of "carbon" consonant with "hydrogen" vowel synthesis of a word, with "carbon" and "hydrogen" the composition of the internal structure of the word, the hydrocarbon is the parent of all organic compounds can be said that all Organic compounds are nothing but the result of replacing some of the atoms in the hydrocarbons with other atoms.

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