CAS 89-36-1|3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

Introduction：Basic information about CAS 89-36-1|3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Articles2
6. Synonyms

Common Name	3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
CAS Number	89-36-1	Molecular Weight	254.262
Density	1.5±0.1 g/cm3	Boiling Point	477ºC
Molecular Formula	C₁₀H₁₀N₂O₄S	Melting Point	>252 °C (dec.)(lit.)
MSDS	ChineseUSA	Flash Point	/
Symbol	GHS05	Signal Word	Danger

Names

Name	3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Synonym	More Synonyms

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
InChIKey	CWJQQASJVVAXKL-UHFFFAOYSA-N
SMILES	CC1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1
Water Solubility	5 g/L (20 ºC)

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

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%

Articles2

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)

Synonyms

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

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