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3-Methyl-2-pyrazolin-5-one

3-Methyl-2-pyrazolin-5-one Structure
  • ₹1789 - ₹25693
  • Product name: 3-Methyl-2-pyrazolin-5-one
  • CAS: 108-26-9
  • MF: C4H6N2O
  • MW: 98.1
  • EINECS:203-565-3
  • MDL Number:MFCD00020699
  • Synonyms:3-Methyl-4,5-dihydro-1H-pyrazole-5-one;5-Methyl-2,4-dihydro-3H-pyrazole-3-one;3-Methyl-2-pyrazolin-5-one,99%;3-methyl pyrazole-5-one;3-Methyl-5-pyrazolone, 99%, 99%;TIMTEC-BB SBB004372;2-Pyrazolin-5-one, 3-methyl-;3-methyl-2-pyrazolin-5-on
Price5 Properties Safety Information Description
5 prices
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Brand

  • ALFA India
  • TCI Chemicals (India)

Package

  • 10g
  • 25G
  • 50g
  • 250g
  • 500G
  • ManufacturerALFA India
  • Product numberALF-A10253-09
  • Product description3-Methyl-2-pyrazolin-5-one, 98+%
  • Packaging10g
  • Price₹1789
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-A10253-18
  • Product description3-Methyl-2-pyrazolin-5-one, 98+%
  • Packaging50g
  • Price₹6223
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-A10253-30
  • Product description3-Methyl-2-pyrazolin-5-one, 98+%
  • Packaging250g
  • Price₹25693
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberM0491
  • Product description3-Methyl-5-pyrazolone
  • Packaging25G
  • Price₹2900
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberM0491
  • Product description3-Methyl-5-pyrazolone
  • Packaging500G
  • Price₹25200
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
ALFA India ALF-A10253-09 3-Methyl-2-pyrazolin-5-one, 98+% 10g ₹1789 2022-05-26 Buy
ALFA India ALF-A10253-18 3-Methyl-2-pyrazolin-5-one, 98+% 50g ₹6223 2022-05-26 Buy
ALFA India ALF-A10253-30 3-Methyl-2-pyrazolin-5-one, 98+% 250g ₹25693 2022-05-26 Buy
TCI Chemicals (India) M0491 3-Methyl-5-pyrazolone 25G ₹2900 2022-05-26 Buy
TCI Chemicals (India) M0491 3-Methyl-5-pyrazolone 500G ₹25200 2022-05-26 Buy

Properties

Melting point :220-224 °C
Boiling point :183.6°C (rough estimate)
Density :1.1890 (rough estimate)
refractive index :1.4327 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :Slightly soluble in ethanol.
form :powder to crystal
pka :13.10±0.40(Predicted)
color :White to Light yellow
CAS DataBase Reference :108-26-9(CAS DataBase Reference)
NIST Chemistry Reference :3H-pyrazol-3-one, 2,4-dihydro-5-methyl-(108-26-9)
EPA Substance Registry System :3H-Pyrazol-3-one, 2,4-dihydro-5-methyl- (108-26-9)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
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

3-Methyl-2-pyrazolin-5-one is used in the preparation of spirocyclic [indole-3,4'-pyrano[2,3-c]pyrazole] by reacting with isatins and malonitrile in the presence of sodium bromide as electrolyte.

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Suppliers and manufacturers

Shree Ganesh Dye Chem SYNOVA CHEMICALS Shree Sidhdhanath Industries Dynemic Products Ltd. Anubhav Business Corporation Prima Chemicals Technichem Organics Pvt ltd OCEAN TRADING CORPORATION TCI Chemicals (India) Pvt. Ltd. CLEARSYNTH LABS LTD.