T/CDIA 0079-2024 Active Group standards

T/CDIA 0079-2024 1,4,5,8-Naphthalenetetracarboxylic acid

Publish Date: 2024-09-24 Implement Date: 2024-10-24 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/CDIA 0079-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Dye

ICS Name: Comprehensive Chemical Products

Publish Date: 2024-09-24

Implement Date: 2024-10-24

Scope

Scope: This document specifies the requirements, sampling, test methods, inspection rules, as well as marking, labeling, packaging, transportation, and storage for 1,4,5,8-naphthalic acid products. This document is applicable to the quality control of 1,4,5,8-naphthalic acid products obtained by condensation of acetanilide with N,N-dimethylformamide chloride or maleic anhydride, followed by hydrolysis, oxidation, and acid precipitation reactions. This product is mainly used as an intermediate for dyes and pigments, and is also used in the synthesis of special polymers. Main technical content: This document specifies the requirements, sampling, test methods, inspection rules, as well as marking, labeling, packaging, transportation, and storage for 1,4,5,8-naphthalic acid products. It sets inspection items such as appearance, content of 1,4,5,8-naphthalic acid, volatile matter at 105°C, ash, and alkali-insoluble matter.