134163
1-(4-Sulfophenyl)-3-methyl-5-pyrazolone
Synonym(s):
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one, 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
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About This Item
Empirical Formula (Hill Notation):
C10H10N2O4S
CAS Number:
Molecular Weight:
254.26
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-901-3
Beilstein/REAXYS Number:
619424
MDL number:
Quality Segment
mp
>252 °C (dec.) (lit.)
functional group
sulfonic acid
SMILES string
CC1=NN(C(=O)C1)c2ccc(cc2)S(O)(=O)=O
InChI
1S/C10H10N2O4S/c1-7-6-10(13)12(11-7)8-2-4-9(5-3-8)17(14,15)16/h2-5H,6H2,1H3,(H,14,15,16)
InChI key
CWJQQASJVVAXKL-UHFFFAOYSA-N
Application
1-(4-Sulfophenyl)-3-methyl-5-pyrazolone (4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzoic acid) was used for pre-column derivatization of carbohydrates. It was also used as derivatization reagent in determination of oligosides, mannose and galactose obtained by degradation of galactomannans.
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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