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ChemicalBook >> CAS DataBase List >> 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone

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

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone price.
  • $20 - $4519.92
  • Product name: 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone
  • CAS: 119-17-5
  • MF: C10H10N2O4S
  • MW: 254.26
  • EINECS:204-303-0
  • MDL Number:MFCD00043811
  • Synonyms:1-(M-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE;1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE;1-(3-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE;3-PYRAZOLIC ACID;(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)benzenesulphonic acid;3-Methyl-1-(3-sulfophenyl)-2-pyrazolin-5-one;3-(5-keto-3-methyl-4H-pyrazol-1-yl)benzenesulfonic acid;Benzenesulfonic acid, 3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-
Price10 Properties Safety Information Description
10 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • Chemenu
  • Crysdot
  • TCI Chemical
Package
  • 1g
  • 5g
  • 25g
  • 100g
  • 500G
  • Manufactureraablocks
  • Product numberAA000KUF
  • Product description3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid ≥95%(HPLC)
  • Packaging1g
  • Price$20
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000KUF
  • Product description3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid >98.0%(T)(HPLC)
  • Packaging5g
  • Price$39
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000KUF
  • Product description3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid >98.0%(T)(HPLC)
  • Packaging25g
  • Price$117
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000KUF
  • Product description3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid ≥95%(HPLC)
  • Packaging100g
  • Price$370
  • Updated2026-05-25
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0016685
  • Product description1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%
  • Packaging25G
  • Price$1121.91
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0016685
  • Product description1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%
  • Packaging500G
  • Price$4519.92
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM189050
  • Product description3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 95%
  • Packaging100g
  • Price$443
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11335052
  • Product description3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 95+%
  • Packaging100g
  • Price$469
  • Updated2026-05-27
  • Buy
  • ManufacturerTCI Chemical
  • Product numberM2710
  • Product description3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic Acid
  • Packaging25G
  • Price$146
  • Updated2026-04-30
  • Buy
  • ManufacturerTCI Chemical
  • Product numberM2710
  • Product description3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic Acid
  • Packaging5G
  • Price$48
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA000KUF 3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid ≥95%(HPLC) 1g $20 2026-05-25 Buy
aablocks AA000KUF 3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid >98.0%(T)(HPLC) 5g $39 2026-05-25 Buy
aablocks AA000KUF 3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid >98.0%(T)(HPLC) 25g $117 2026-05-25 Buy
aablocks AA000KUF 3-(3-Methyl-5-Oxo-4,5-Dihydro-1H-Pyrazol-1-Yl)Benzenesulfonic Acid ≥95%(HPLC) 100g $370 2026-05-25 Buy
American Custom Chemicals Corporation CHM0016685 1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00% 25G $1121.91 2021-12-16 Buy
American Custom Chemicals Corporation CHM0016685 1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00% 500G $4519.92 2021-12-16 Buy
Chemenu CM189050 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 95% 100g $443 2021-12-16 Buy
Crysdot CD11335052 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 95+% 100g $469 2026-05-27 Buy
TCI Chemical M2710 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic Acid 25G $146 2026-04-30 Buy
TCI Chemical M2710 3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic Acid 5G $48 2026-04-30 Buy

Properties

Melting point :335 °C (lit.)
Density :1.53±0.1 g/cm3(Predicted)
vapor pressure :0.001Pa at 20℃
storage temp. :2-8°C
pka :-0.73±0.30(Predicted)
form :Powder
InChI :1S/C10H10N2O4S/c1-7-5-10(13)12(11-7)8-3-2-4-9(6-8)17(14,15)16/h2-4,6H,5H2,1H3,(H,14,15,16)
InChIKey :VEMGKBUHUTYHHA-UHFFFAOYSA-N
SMILES :CC1=NN(C(=O)C1)c2cccc(c2)S(O)(=O)=O
LogP :-2.05 at 23℃
CAS DataBase Reference :119-17-5(CAS DataBase Reference)
EPA Substance Registry System :Benzenesulfonic acid, 3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (119-17-5)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Description

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone [1-(3′-sulfophenyl)-3-methyl-5-pyrazolone] may be used to synthesize α-Pigment Yellow 191.

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Suppliers and manufacturers

3B Pharmachem (Wuhan) International Co.,Ltd. Adamas Reagent, Ltd. Shanghai Longsheng chemical Co.,Ltd. Shanghai Hanhong Scientific Co.,Ltd. XiaoGan ShenYuan ChemPharm co,ltd Tianjin heowns Biochemical Technology Co., Ltd. Zhangjiagang Free Trade Zone Kailite Chemical Co., Ltd. TOKYO CHEMICAL INDUSTRY CO., LTD. TCI Europe Shanghai Aladdin Bio-Chem Technology Co.,LTD