Pigment yellow 191
Properties
- Molecular formula
- C17H13CaClN4O7S2
- Molar mass
- 524.96 g/mol
- Exact mass
- 523.9540 Da
- logP
- 2.64Crippen estimate
- Polar surface area
- 166.1 Ų
- H-bond donors / acceptors
- 2 / 8
- Rotatable bonds
- 5
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless.
Identifiers
CAS number
129423-54-7SMILES
CC1=NN(c2cccc(S([O-])(=O)=O)c2)C(=O)C1N=Nc1cc(Cl)c(C)cc1S([O-])(=O)=O.[Ca+2]InChI
The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.
Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
9 names
- Benzenesulfonic acid, 4-chloro-2-[2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-5-methyl-, calcium salt (1:1)
- Benzenesulfonic acid, 4-chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methyl-, calcium salt (1:1)
- C.I. 18795
- C.I. Pigment yellow 191
- PV fast yellow HGR
- Yellow HGR
- PY 191
- PV fast yellow H 2GR
- Yellow H 2GR
Work with Pigment yellow 191
Similar compounds
Yellow 2G6359-98-455 % similar
Acid yellow 116359-82-651 % similar
Pigment orange 133520-72-749 % similar
4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one)15793-73-446 % similar
Reactive yellow 250662-99-245 % similar
Pigment red 48:27023-61-243 % similar
Sudan yellow 3G4314-14-142 % similar
Pigment red 52:117852-99-240 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.