T/ZZB 2337-2021 Active Group standards

T/ZZB 2337-2021 Industrial use of difluoromethane (HFC-32)

Publish Date: 2021-08-30 Implement Date: 2021-09-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 2337-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Generally, organic chemical raw materials

ICS Name: Haloalkanes

Publish Date: 2021-08-30

Implement Date: 2021-09-30

Scope

Main technical content: This document specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, safety and quality commitments for industrial-use dichloromethane. This document is applicable to dichloromethane and hydrogen fluoride as raw materials, which are obtained by reacting and distilling under the action of a catalyst using gas-phase or liquid-phase methods. Molecular formula: CH2F2 Structural formula: Relative molecular mass: 52.024 (based on the 2018 International Relative Atomic Mass)