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3-Methyl-2-pyrazolin-5-one

3-Methyl-2-pyrazolin-5-one Structure
CAS No.
108-26-9
Chemical Name:
3-Methyl-2-pyrazolin-5-one
Synonyms
-5-pyrazoL;AURORA KA-6219;TIMTEC-BB SBB004372;Methyl-5-pyrazolone;3-METHYL-5-PYRAZOLONE;3-Methyl-pyrazolon-(5);3-methyl pyrazole-5-one;3-Methyl-5-pyrazolone>3-methyl-2-pyrazolin-5-on;5-Methyl-3H-pyrazol-3-one
CBNumber:
CB4703239
Molecular Formula:
C4H6N2O
Molecular Weight:
98.1
MOL File:
108-26-9.mol
MSDS File:
SDS
Modify Date:
2024/4/29 14:28:21

3-Methyl-2-pyrazolin-5-one 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.
pka 13.10±0.40(Predicted)
form powder to crystal
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

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Risk Statements  36/37/38
Safety Statements  24/25
WGK Germany  3
RTECS  UQ9451500
TSCA  Yes
HS Code  29331990
Toxicity rat,LDLo,unreported,600mg/kg (600mg/kg),Biochemical Pharmacology. Vol. 14, Pg. 1325, 1965.
NFPA 704
1
0 0

3-Methyl-2-pyrazolin-5-one price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemicals (India) M0491 3-Methyl-5-pyrazolone 108-26-9 25G ₹2900 2022-05-26 Buy
ALFA India ALF-A10253-30 3-Methyl-2-pyrazolin-5-one, 98+% 108-26-9 250g ₹25693 2022-05-26 Buy
ALFA India ALF-A10253-18 3-Methyl-2-pyrazolin-5-one, 98+% 108-26-9 50g ₹6223 2022-05-26 Buy
TCI Chemicals (India) M0491 3-Methyl-5-pyrazolone 108-26-9 500G ₹25200 2022-05-26 Buy
ALFA India ALF-A10253-09 3-Methyl-2-pyrazolin-5-one, 98+% 108-26-9 10g ₹1789 2022-05-26 Buy
Product number Packaging Price Buy
M0491 25G ₹2900 Buy
ALF-A10253-30 250g ₹25693 Buy
ALF-A10253-18 50g ₹6223 Buy
M0491 500G ₹25200 Buy
ALF-A10253-09 10g ₹1789 Buy

3-Methyl-2-pyrazolin-5-one Chemical Properties,Uses,Production

Chemical Properties

3-Methyl-2-pyrazolin-5-one is yellowish powder

Uses

3-Methyl-2-pyrazolin-5-one is used as intermediate for the manufacture of dyestuffs as well as for agrochemicals.

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NUTAN DYECHEM 09714107787 Gujarat, India 12 58 Inquiry
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 3-Methyl-pyrazolon-(5) 5-Methyl-2,4-dihydro-3H-pyrazol-3-one AURORA KA-6219 3-METHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE 3-METHYL-5-PYRAZOLONE 3-METHYL-2-PYRAZOLIN-5-ONE 3-methyl-4,5-dihydro-1H-pyrazol-5-one 97% 2,4-dihydro-5-methyl-3H-pyrazol-3-one 5-methyl-1,2-dihydro-pyrazol-3-one 5-Methyl-3H-pyrazol-3-one 3-Methyl-2-pyrazolin-5-one, 98+% Methyl-5-pyrazolone 2,4-dihydro-5-methyl-3h-pyrazol-3-on 3-METHYL-5-PYRAZOLONE 98+% 5-Methyl-2,4-dihydro-pyrazol-3-one 3-Methyl-5-oxo-2-pyrazoline 3-Methyl-1H-pyrazol-5(4H)-one 3-Methyl-5-pyrazolone> -5-pyrazoL 3-methyl-1,4-dihydropyrazol-5-one 108-26-9 108-6-9