Basic information
- Name:
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)
- Superlist Name:
- Pigment Yellow 191
- CAS No.:
129423-54-7
- Molecular Structure:
![Molecular Structure of 129423-54-7 (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))](http://www.lookchem.com/300w/2010/0618/129423-54-7.jpg)
- Formula:
- C17H13CaClN4O7S2
- Molecular Weight:
- 524.97
- Synonyms:
- Benzenesulfonicacid,4-chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methyl-,calcium salt (1:1) (9CI);C.I. 18795;C.I. Pigment Yellow 191;PV Fast YellowHGR;PY 191;Yellow HGR;
- EINECS:
- 403-530-4
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Chemistry
Molecular Formula: C17H13CaClN4O7S2
Molecular Weight: 524.97
CAS Registry Number: 129423-54-7
EINECS: 403-530-4
Structure of 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) (CAS NO.129423-54-7):
Synonyms of 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) (CAS NO.129423-54-7): Pigment Yellow 191 ; Pigment Brilliant Yellow HGR ; 4-Chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methylbenzenesulfonic acid calcium salt (1:1) ; Pigment -- Pigment Yellow 191 ; 4-Chloro-2-[5-hydroxy-3-methyl-1-(3-sulfophe- nyl)pyrazol-4-ylazo]-5-methylbenzene sulfonic acid, calcium salt
