R142b for Foaming and Cleaning
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 1000MT m.t./month
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R142b
Property of chloride:
Chemical formula: CCIF2CH3
Molecular weight: 100
Boiling Point,101.3Kpa,: -9.2
Critical temperature,,: 136.45
Critical pressure,Mpa: 4.02
Liquid density g/cm3 30: 1.096
Vapor pressure(absolute pressure),21,Mpa:0.3
Quality standard:
Appearance: Colorless,no cloudy
Odor: Odorless
Purity≥%:99.9
Moisture ≤%:0.001
Acidity≤%HCI:0.0001
Residue on evaporation≤%:0.01
Property and application:
It mainly used on blend refrigerant 502 which is an azeotrope of f22angf115.
Application: Used as working liquid in air-conditioner, heat pump and inductive
medium of temperature controller under high temperature, used as blowing agent of polyolefine after mixing with HCFC-22(60:40), and also used as chemical raw material.
Packing :30Ib/13.6kg,501b/22.7kg,400kg/400L,800kg/800L,1000kg/1000L,ISOtank.
- 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: 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: Chemical life network: chemical (inorganic reaction, organic reaction) is equal to the life of life reaction?
- Organic chemistry is the study of the origin of organic compounds, preparation, structure, properties, applications and related theories of science, also known as carbon compounds.
- Q: Sugar, fat, and so on a variety of organic matter is full of different units of the heat of the small box. (Save the heat the most efficient, the least loss of heat the most practical and most economical box).
- Understand enough messy
- Q: The role of aromatic hydrocarbons
- Aromatic hydrocarbons referred to as "aromatic hydrocarbons", usually refers to the molecule containing benzene ring structure of the hydrocarbons. Is a closed-chain type. With the basic structure of the benzene ring, the history of the early discovery of such compounds have more aromatic flavor, so called these Hydrocarbons are aromatic hydrocarbons, and hydrocarbons that are later found to have no aromatic flavor are also commonly used in this way, such as benzene, naphthalene, etc. The homology of benzene is CnH2n-6 (n≥6).
- Q: What is the most primitive person on earth?
- 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: Is the oxygen derivative of the hydrocarbon a non-methane total hydrocarbon?
- Since it is a hydrocarbon, it is bound to be a hydrocarbon, and the oxygen derivative of the hydrocarbon is not a hydrocarbon! Therefore, even if the oxygen-containing derivative is volatile again, it is not a non-methane total hydrocarbon
- Q: Is steel not organic synthetic material?
- Organic compounds that are organic compounds. Carbon compounds (carbon monoxide, carbon dioxide, carbonic acid, carbonates, metal carbides, cyanide excluded) or hydrocarbons and their derivatives in general. Most of the combustion can produce carbon dioxide and water.
- Q: NH4HCO3 and so have C atoms ah, why still inorganic
- Organic definition is not all elements, if only look at carbon atoms, then graphite and carbon dioxide are also areas of organic matter, so this is not the case. In general, organic matter is defined as containing atomic elements, which can be combusted, low density, low melting point, strong volatility, poor solubility in water, etc., which are composed of carbon atoms and covalent bonds.
- 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 ... ...
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R142b for Foaming and Cleaning
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 1000MT m.t./month
OKorder Service Pledge
OKorder Financial Service
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