Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.

REACH

Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate

EC number: 265-633-9 | CAS number: 65212-76-2

Life Cycle description
Uses advised against

Substance identity

Identification

Display Name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
EC Number:: 265-633-9
EC Name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
CAS Number:: 65212-76-2
Molecular formula:: C16H12Cl2N4O7S2.2Na
IUPAC Name:: disodium 4,5-dichloro-2-{[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate

Type of Substance

Composition:: mono-constituent substance
Origin:: organic

Substance Identifiers open all close all

Trade name

Benzenesulfonic acid, 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1- (3-sulfophenyl)-1H-pyrazol-4-yl]azo]-, disodium salt (9CI)

C.I. Pigment Yellow 183, Na-salt

Dinatrium-4,5-dichlor-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfonatophenyl) -1H-pyrazol-4-yl]azo]benzolsulfonat

Paliotol Gelb K 1700 Na-Salz

Paliotol Yellow K 1700, disodium salt

Pigment Yellow 183 (Dinatriumsalz)

Compositions

Boundary Composition(s) open all close all

disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyra zol-4-yl]azo]benzenesulphonate

State Form:: solid: bulk

Constituent 1

Reference substance name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
EC Number:: 265-633-9
EC Name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
CAS Number:: 65212-76-2
Molecular formula:: C16H12Cl2N4O7S2.2Na
IUPAC Name:: disodium 4,5-dichloro-2-{[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate

Legal Entity Composition(s) open all close all

disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyra zol-4-yl]azo]benzenesulphonate

State Form:: solid: bulk

Constituent 1

Reference substance name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
EC Number:: 265-633-9
EC Name:: Disodium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
CAS Number:: 65212-76-2
Molecular formula:: C16H12Cl2N4O7S2.2Na
IUPAC Name:: disodium 4,5-dichloro-2-{[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate

Composition(s) generated upon use

Other types of composition(s)

Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.