Refrigerant Gas R407c

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1000MT m.t./month

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Specifications

1.R407C
2.OEM is welcomed
3.Delivery within15 days
4.Disposable cylinder 11.3KG/ CYLINDER

Refrigerant R-407C is a kind of refrigerant of surrounds-protection model, used in replacing R22 R502. It has a good nature of cleaning, low poison, non-combustion, good-refrigeration and so on, and greatly used in air- conditioner.

 

Formula

CH2F2/CHF2CF3/CF3CH2F

Boiling Point ( °C )

-43.9

Vapor pressure(25°C),Mpa, abs

1.174

Liquid density(25°C),kg/L

1.136

Critical Pressure Mpa

4.619

Critical temperature °C

86.74

Gas heat capacity (1 atm, 25°C), kj/(kgk)

0.829

Liquid heat capacity (1 atm, 25 °C),kg(kgk)

1.54

Gas heat conductivity(25°C),w/(mk)

0.01314

Liquid heat conductivity (25°C),w/(mk)

0.0819

ODP

0

GWP

1.526

Odor

Odorless

Color

Colorless, transparent

HFC-32 %(W/W)

23±2

HFC-125, %(W/W)

25±2

Water, mg/kg

10

Acidity, mg/kg

1

Residue mg/kg

100

Non-congealing gas-phase, % (v/v),

1.5


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Q:Is polyethylene a derivative of hydrocarbons?
The definition is yes
Q:What is organic matter?
Green plants use light to provide energy, in the chloroplast synthesis of starch and other organic matter, and the light energy into chemical energy stored in organic matter, this process is often said that photosynthesis.
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:What is a derivative of a hydrocarbon? What is an aromatic hydrocarbon derivative?
Hydrocarbon derivatives include derivatives of linear and aromatic hydrocarbons such as chloroethane bromopropane bromobenzene
Q:The problem of system naming of hydrocarbon derivatives
No, aldehyde is functional group, must be aldehyde for the mother. In addition, when the aldehyde group is a substituent, it is named as a formyl group.
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 ... ...
Q:Why not ah?
A series of compounds in which a hydrogen atom in a hydrocarbon molecule is replaced by another atom or radical is called a derivative of a hydrocarbon
Q:Identification of Derivatives of Chemical Hydrocarbons in High School
Phenol and ferric chloride reaction, aldehyde and copper hydroxide will produce brick red precipitation, and the formation of silver diamine hydroxide silver phase precipitation, and there are aldehydes in formic acid, an aldehyde corresponding to two silver Generation, and formaldehyde can be seen as there are two aldehyde groups, can be generated corresponding to the four silver quality.
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:What is the aromatic hydrocarbon
Aromatic hydrocarbons referred to as "aromatic hydrocarbons", refers to the molecule containing benzene ring structure of the hydrocarbons. Is a closed chain.

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