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GB/T 33789-2017Sulfonic para base ester (English PDF)

磺化对位酯

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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 33789-2017 is the English-translated version of 磺化对位酯.

GB/T 33789-2017 sets the quality requirements for sulfonated para ester, the dye intermediate 4-beta-hydroxyethylsulfonyl sulfate aniline-2-sulfonic acid, whose molecular formula is C8H11NO9S3, whose relative molecular mass is 361.37 and whose CAS number is 42986-22-1.

It fixes the appearance, a light purple to grey powder, and the limits for the mass fraction of sulfonated para ester, for the acid value and for the difference, each with the clause that carries its test.

It also covers sampling, test methods, inspection rules and the marking, labelling, packaging, transport and storage of the product. It applies to the quality control of sulfonated para ester and cites GB/T 601, GB/T 603, GB/T 2381-2014, GB/T 6678-2003, GB/T 6682-2008, GB/T 8170-2008 and GB 19601. It was issued on 31 May 2017 and has applied since 1 December 2017.

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Document preview — GB/T 33789-2017

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, sampling, test methods, and inspection rules for the sulfonated para-ester (4-beta-hydroxyethylsulfonyl sulfate aniline-2-sulfonic acid) And signs, labels, packaging, transportation and storage.

This standard is applicable to the product quality control of sulfonated para ester. Structure.

Molecular formula. C8H11NO9S3 Relative molecular mass. 361.37 (according to 2013 International relative atomic mass) CASRN. 42986-22-1

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 Preparation of standard titration solution for chemical reagents

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

GB/T 2381-2014 Determination of insoluble matter content of dyes and dye 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

GB 19601 Limits and determination of 23 harmful aromatic amines

3 Request

The mass of the sulfonated ester 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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