3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

Names

[ CAS No. ]:
89-36-1

[ Name ]:
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

[Synonym ]:
4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid
4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-benzenesulfonic acid
4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
PSMP
MFCD00020756
SPMP
1-(4-sulfophenyl)-3-methyl-2-pyrazoline-5-one
1-(p-Sulfophenyl)-3-methyl-pyrazolon-(5)
1-(4-Sulfophenyl)-3-methyl-5-p
4-PYRAZOLIC ACID
4-acid pyrazolone
Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-
EINECS 201-901-3
PYRAZOLINE G
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzolsulfonsaeure
1-(4-Sulphophenyl)-3-methyl-5-pyrazolone
PHENYLMETHYLPYRAZOLE-4-ACID
4-(3-methyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzenesulfonic acid
p-SMP (1 : 4 SPMP)
PYRAZOLONE G
Pyrazolic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
477ºC

[ Melting Point ]:
>252 °C (dec.)(lit.)

[ Molecular Formula ]:
C₁₀H₁₀N₂O₄S

[ Molecular Weight ]:
254.262

[ Exact Mass ]:
254.036133

[ PSA ]:
95.42000

[ LogP ]:
-1.31

[ Index of Refraction ]:
1.667

[ Water Solubility ]:
5 g/L (20 ºC)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
C:Corrosive;

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 1759 8/PG 2

[ WGK Germany ]:
1

[ Hazard Class ]:
8.0

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Determination of galactose and mannose residues in natural galactomannans using a fast and efficient high-performance liquid chromatography/UV detection.

J. Chromatogr. A. 1181(1-2) , 45-50, (2008)

The present work describes the validation of an easy, fast and efficient precolumn derivatization method for the quantification of oligosides, mannose and galactose obtained by degradation of galactom...

Precolumn derivatization of reducing carbohydrates with 4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzoic acid. Study of reaction, high-performance liquid chromatographic separation and quantitative performance of method. Castells CB, et al.

Chromatographia 56(3-4) , 153-160, (2002)