Refrigerant R143a in Refillable Cyl

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Shanghai
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TT OR LC
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Supply Capability:
1000MT m.t./month

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Specifications

1, refrigeratn gas R143a
2, ODP 0
3, GWP 4300
4, Purity,99.9%
5, 926L ton cylinder for export, 680kg/cyl, 8mm or 10mm

1,1,1-Trifluoroethane (HFC-143a)
refrigerant gas R143a
Application:HFC-143a is used as a special type of refrigerant or make blend refrigerants such as R404,R408,R507.
Packing: refillable cylinder-400L,800L,926L,1000L
Export: 926L, 680KG/CYLINDER, 14CYLS/FCL
Molecular formulaCH3CF3
Molecular weight84.04
Boiling point 101.3KPa(°C)-47.2
Freezing point 101.3KPa(°C)-111
Density 30°C(kg/m3)1300
Critical temperature(°C)72.9
Critical pressure(MPa)3.78
ODP0
GWP4300
Purity≥99.9%
Water content≤0.001%
Acidity≤0.00001%
Evaporation residue≤0.01%
Chloride content-
AppearanceColorless and clear
OdorOdorless


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Q:Peracetic acid is not
A series of compounds produced by the substitution of hydrogen atoms in other molecular or atomic groups as hydrocarbon derivatives, peroxyacetic acid is CH3COOOH, and should be considered
Q:Is the number of hydrogen atoms in the hydrocarbon or hydrocarbon derivative molecule be even
Other hydrocarbon derivatives are not necessarily, such as halogenated hydrocarbons containing odd halogen molecules, containing an odd number of N atoms containing C, H. O, N four elements of the compound, their number of hydrogen atoms are odd.
Q:Sodium can be used to identify derivatives of hydrocarbons
Sodium can identify hydrocarbon derivatives that are alcohol
Q:What can hydrocarbons crack to carbon and hydrogen at high temperatures?
It is almost impossible for this problem to look at your reaction conditions. Generally speaking, the alkane reaction is mainly difficult to decompose directly into ions
Q:Ionic compounds, covalent compounds, electrolytes, non-electrolytes, which are both compounds and inorganic compounds
An ionic compound consisting of a cation and an anion. Active metals (such as sodium, potassium, calcium, magnesium, etc.) and active non-metallic (such as fluorine, chlorine, oxygen, sulfur, etc.) when the combination of active metal loss of electrons to form positively charged cations (such as Na +, K +, Ca2 + (Such as F-, Cl-, O2-, S2-, etc.), cations and anions are formed by electrostatic interactions to form ionic compounds. For example, sodium chloride is an ionic compound consisting of positively charged sodium ions (Na +) and negatively charged chloride ions (Cl-). Many bases (such as NaOH, KOH, Ba (OH) 2, etc.) and salts (such as CaCl2, KNO3, CuSO4, etc.) are ionic compounds. The total number of positive charges in the cationic compound is equal to the total number of negative charges carried by the anion, and the whole compound is electrically neutral. Most ionic compounds can not be conductive in solid (or crystalline), while their aqueous or molten state can be conductive. The ionic compounds generally have a higher melting point and higher boiling point, higher hardness, crisp and difficult to compress, and the highly volatile ionic compounds are linked by ionic bonds, without independent structures, such as sodium chloride.
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Dry ice is solid. It is a simple carbonaceous compound that is not the material basis for life. Therefore, dry ice is an inorganic compound
Q:China's largest asphalt production base where
Coal tar pitch is a byproduct of coking, that is, the black material that remains in the distillation kettle after distillation of the tar. It is only fine with the physical properties of refined tar, there is no obvious boundaries, the general division method is to specify the softening point at 26.7 ℃ (cubic method) for the following tar, 26.7 ℃ above the asphalt. Coal tar pitch mainly contains volatile anthracene, phenanthrene, pyrene and so on. These substances are toxic, because the content of these components are different, the nature of coal tar pitch is also different. The change of temperature has great influence on coal tar pitch, which is easy to brittle in winter and easy to soften in summer. Heating with a special smell; heated to 260 ℃ in 5 hours later, it contains anthracene, phenanthrene, pyrene and other ingredients will be volatile.
Q:High school chemical hydrocarbons with hydrocarbon derivatives with water solubility
Hydrocarbons, halogenated hydrocarbons, esters are difficult to dissolve in water. Hydrocarbons, esters are denser than water, and the density of halogenated hydrocarbons is generally greater than that of water. Hydrocarbon derivatives containing hydroxyl, amino or aldehyde groups such as alcohols, phenols, aldehydes, carboxylic acids, sulfonic acids and amines are soluble in water, And the shorter the solubility of the carbon chain, the greater the solubility of the carbon chain increases, until the same number of carbon atoms and similar hydrocarbons.
Q:Will AsH3 (arsenic trioxide) is organic or inorganic
So the organic matter must contain the element is the C element
Q:Are the asphalt and peat kinds of vegetables have heavy metal?
Asphalt and its flue gas on the skin and mucous membranes are irritating, phototoxic and carcinogenic effects. China's three major asphalt toxicity: coal tar pitch> shale asphalt> petroleum asphalt, the former two are carcinogenic. Asphalt main skin lesions are: phototoxic dermatitis, skin lesions limited to the face, neck and other exposed parts; black disease, skin lesions are often symmetrical distribution in the exposed parts, was flaky, brown - dark brown - brown black; Acne; verrucous vegetation and heat burns caused by accidents. In addition, there are dizziness, head swelling, headache, chest tightness, fatigue, nausea, loss of appetite and other systemic symptoms and eye, nose, throat irritation symptoms.

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