Pigment Red 53:3 structure

Pigment Red 53:3

strontium bis(5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonate)

Also Known As: Pigment Red 53:3|D.C. Red No. 9|C17H13ClN2O4S.1/2Sr|EC 277-335-6|C17-H13-Cl-N2-O4-S.1/2Sr|Strontium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonate]|3-Chloro-6-((2-hydroxy-1-naphthalenyl)azo)-4-methylbenzenesulfonic acid, strontium salt (2:1)|Benzenesulfonic acid, 5-chloro-2-((2-hydroxy-1-naphthalenyl)azo)-4-methyl-, strontium salt (2:1)|Benzenesulfonic acid, 5-chloro-2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-4-methyl-, strontium salt (2:1)|Benzenesulfonic acid, 5-chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methyl-, strontium salt (2:1)|Strontium bis(2-chloro-5-((2-hydroxy-1-naphthyl)azo)toluene-4-sulphonate)|strontium;5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonate|Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, strontium salt (2:1)|strontium 5-chloro-4-methyl-2-[(2Z)-2-(2-oxo-1-naphthylidene)hydrazino]benzenesulfonate|Strontium bis{5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzene-1-sulfonate}|277-335-6|Benzenesulfonic acid, 5-chloro-2-(2-hydroxy-1-naphthalenyl)azo-4-methyl-, strontium salt (2:1)|strontium 5-chloro-4-methyl-2-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate|strontium,5-chloro-4-methyl-2-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate

CAS: 73263-40-8
Molecular Formula C34H24Cl2N4O8S2Sr
Molecular Weight 837.9469 g/mol
LogP 9.27264
Topological Polar Surface Area 221.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 12
Rotatable Bonds 4
Exact Mass 837.9469
Monoisotopic Mass 837.9469
Heavy Atoms 51
Complexity 581.0

Chemical Identifiers

CAS Number 73263-40-8
SMILES CC1=CC(=C(C=C1Cl)S(=O)(=O)[O-])N=NC2=C(C=CC3=CC=CC=C32)O.CC1=CC(=C(C=C1Cl)S(=O)(=O)[O-])N=NC2=C(C=CC3=CC=CC=C32)O.[Sr+2]
InChIKey GIWRCSUZRBTMDC-UHFFFAOYSA-L

Product Overview

Pigment Red 53:3 (CAS 73263-40-8), with molecular formula C34H24Cl2N4O8S2Sr and molecular weight 837.9469 g/mol. IUPAC: strontium bis(5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonate).

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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