GB/T 23669-20162,6-Dibromo-4-nitroaniline (English PDF)

1 Scope

This standard specifies the requirements of the 2,6-dibromo-4-nitroaniline product, sampling, test methods, inspection rules and labeling, labeling, packaging,

Transport and storage.

This standard applies to 2,6-dibromo-4-nitroaniline product quality control.

Structure.

Molecular formula. C6H4Br2N2O2

Relative molecular mass. 295.92 (according to.2013 International relative atomic mass)

CASRN. 827-94-1

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 article

Pieces. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 2384 Determination of melting point of dyes and dye intermediates

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

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

GB/T 6682 Analytical laboratory water specifications and test methods

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

GB/T 21876 Determination of solvent dyes and dye intermediates

3 request

The quality of 2,6-dibromo-4-nitroaniline should meet the requirements of Table 1.

Table 1 Quality requirements for 2,6-dibromo-4-nitroaniline

No. Item Index Test method

1 Appearance Yellow powder 5.2

2 Purity of 2,6-dibromo-4-nitroaniline /% >=98.00 5.3

3 2,6-dichloro-4-nitroaniline content /% <=0.05 5.3

4 Dry product initial melting point/°C >=200.0 5.4