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GB/T 33792-20172,4-Diaminobenzenesulfonic acid sodium salt (English PDF)

2,4-二氨基苯磺酸钠

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 31, 2017

Implementation date

December 1, 2017

Scope

GB/T 33792-2017 is the English-translated version of 2,4-二氨基苯磺酸钠.

GB/T 33792-2017 is the Chinese national specification for sodium 2,4-diaminobenzenesulfonate, a dye intermediate of formula C6H7N2NaO3S, relative molecular mass 210.22 and CAS number 3177-22-8.

It sets the requirements the product has to meet, given as a table of quality items each with the clause that tests it, beginning with an appearance of light white or light brown crystals.

It also covers sampling, the test methods, the inspection rules, and marking, labelling, packaging, transport and storage. Insoluble matter is determined to GB/T 2381 and moisture to GB/T 2386-2014, with reagent solutions prepared to GB/T 601 and GB/T 603 and laboratory water to GB/T 6682-2008.

It is used for quality control of the product. Issued on 31 May 2017, it has applied since 1 December 2017.

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Document preview — GB/T 33792-2017

National Standard of the People's Republic of China

ICS: 71.100.01; 87.060.10
Classification: G 56

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative reference documents
3 Request

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the requirements of the 2,4-diaminobenzenesulfonate product, sampling, test methods, inspection rules and labeling, labeling, packaging, Transport and storage.

This standard applies to the product quality control of sodium 2,4-diaminobenzenesulfonate.

Molecular formula. C6H7N2NaO3S Relative molecular mass. 210.22 (according to 2013 International relative atomic mass) CASRN. 3177-22-8

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 601 Chemical reagents - Preparation of standard titration solution

GB/T 603 Chemical reagents - Preparation of preparations and preparations for use in the test methods

GB/T 2381 Determination of insoluble matter content of dyes and dye intermediates

GB/T 2386-2014 Determination of moisture content of dyes and dyes intermediates

GB/T 6678-2003 General rules for sampling of chemical products

GB/T 6682-2008 Analysis of laboratory water specifications and test methods

GB/T 8170-2008 Representation and Judgment of Numerical Correction Rule and Limit Value

3 Request

The quality of sodium 2,4-diaminobenzenesulfonate should meet the requirements of Table 1.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 47085-2026|GB/T 47088-2026|GB/T 21878-2025|GB/T 21883-2025|GB/T 23670-2025|GB/T 2378-2025

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