Naming methods for refrigerants
Release time:
2021-08-13
(1) Inorganic Compounds - The abbreviation for inorganic compounds is R7(). The parentheses represent a set of numbers, which is the integer part of the molecular weight of the inorganic substance.
(2) Halogenated Hydrocarbons and Alkanes - The molecular formula for alkanes is CmH2m+2; the molecular formula for halogenated hydrocarbons is CmHnFxClyBrz(2m+2=n+x+y+z), and their abbreviation is R(m-1)(n+1)(x)B(z).
(3) Non-Azeotropic Mixture Refrigerants - The abbreviation for non-azeotropic mixture refrigerants is R4(). The parentheses represent a set of numbers, which is the sequential order number for naming the refrigerant, starting from 00.
(4) Azeotropic Mixture Refrigerants - The abbreviation for azeotropic mixture refrigerants is R5(). The parentheses represent a set of numbers, which is the sequential order number for naming the refrigerant, starting from 00.
(5) Cycloalkanes, Chain Alkenes, and Their Halogenated Derivatives - The notation specifies: cycloalkanes and their halogenated derivatives start with the letter "RC", while chain alkenes and their halogenated derivatives start with the letter "R1".
(6) Organic Refrigerants - Any number in the 600 series.
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