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ChemicalBook >> CAS DataBase List >> 4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%

4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%

4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+% price.
  • $90 - $501.97
  • Product name: 4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%
  • CAS: 33549-66-5
  • MF: C4H4Br2N2O
  • MW: 255.9
  • EINECS:
  • MDL Number:MFCD00015942
  • Synonyms:4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%;4,4-Dibromo-3-methyl-1H-pyrazol-5(4H)-one;4,4-Dibromo-3-methyl-2-pyrazolin-5-one;4,4-DibroMo-2,4-dihydro-5-Methyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 4,4-dibromo-2,4-dihydro-5-methyl-;2,4,10-Tribromo methyl benzoate;4,4-Dibromo-5-methyl-2,4-dihydro-3H-pyrazol-3-one
Price5 Properties Safety Information Description
5 prices
Selected condition：
Brand
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • TRC
  • Usbiological
Package
  • 5MG
  • 100mg
  • 5g
  • 25g
  • ManufacturerAlfa Aesar
  • Product numberB25551
  • Product description4,4-Dibromo-3-methyl-2-pyrazolin-5-one 98+%
  • Packaging25g
  • Price$0
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberB25551
  • Product description4,4-Dibromo-3-methyl-2-pyrazolin-5-one 98+%
  • Packaging5g
  • Price$0
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0117189
  • Product description4,4-DIBROMO-3-METHYL-1H-PYRAZOL-5(4H)-ONE 95.00%
  • Packaging5MG
  • Price$501.97
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberD425415
  • Product description4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one
  • Packaging100mg
  • Price$90
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number161580
  • Product description4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one
  • Packaging5g
  • Price$403
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar B25551 4,4-Dibromo-3-methyl-2-pyrazolin-5-one 98+% 25g $0 2021-12-16 Buy
Alfa Aesar B25551 4,4-Dibromo-3-methyl-2-pyrazolin-5-one 98+% 5g $0 2021-12-16 Buy
American Custom Chemicals Corporation CHM0117189 4,4-DIBROMO-3-METHYL-1H-PYRAZOL-5(4H)-ONE 95.00% 5MG $501.97 2021-12-16 Buy
TRC D425415 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one 100mg $90 2021-12-16 Buy
Usbiological 161580 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one 5g $403 2021-12-16 Buy

Properties

Melting point :129-132°C
Density :2.44±0.1 g/cm3(Predicted)
storage temp. :-20°C Freezer
solubility :DMSO (Slightly), Methanol (Very Slightly)
pka :9.27±0.60(Predicted)
form :Solid
color :Off-White to Pale Beige

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one is used in the preparation of antimoebic compounds such as thiosemicarbazide derivatives. Also used in the preparation of triazine molecules displaying antifungal activity.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Alfa Aesar Energy Chemical Daicel Chiral Technologies (China)CO.,LTD Shanghai Topbiochem Technology Co., Ltd Zhengzhou Guancheng Laboratory equipment Sales Aikon International Limited Shenzhen Polymeri Biochemical Technology Co., Ltd. Shanghai Sunway Pharmaceutical Technology Co.,Ltd. Shanghai Haohong Scientific Co., Ltd.