1-(4-Sulfophenyl)-3-methyl-5-pyrazolone

ALDRICH/134163

Synonym: 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one; 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

CAS Number: 89-36-1
Empirical Formula (Hill Notation): C₁₀H₁₀N₂O₄S
Molecular Weight: 254.26
EC Number: 201-901-3
MDL Number: MFCD00020756
Linear Formula: C₁₀H₁₀N₂O₄S
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-134163-25G	25 g	$73.70 1/EA	Add To Favorites

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Properties
Descriptions
Safety Info.
Basic Data

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
mp	>252 °C (dec.) (lit.)
Quality Level	100
SMILES string	CC1=NN(C(=O)C1)c2ccc(cc2)S(O)(=O)=O

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.
Packaging:	25 g in glass bottle

Symbol	GHS05
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280 - P305 + P351 + P338 - P310
Hazard Codes	C
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 1759 8 / PGII
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

mp	>252 °C (dec.) (lit.)
UNSPSC	12352100

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