1-甲基-3-异丙基-吡唑-5-甲酸

1-甲基-3-异丙基-吡唑-5-甲酸 - Names and Identifiers

Name	1-methyl-3-(1-methylethyl)-1H-pyrazole-5-carboxylic acid
Synonyms	5-isopropyl-2-methyl-3-pyrazolecarboxylic acid 5-isopropyl-2-methyl-pyrazole-3-carboxylic acid 2-methyl-5-propan-2-ylpyrazole-3-carboxylic acid 2-methyl-5-propan-2-yl-pyrazole-3-carboxylic acid 1-METHYL-3-ISOPROPYL-1H-PYRAZOLE-5-CARBOXYLICACID 3-isopropyl-1-methyl-1H-pyrazole-5-carboxylic acid 1-methyl-3-(propan-2-yl)-1H-pyrazole-5-carboxylic acid 1-methyl-3-(1-methylethyl)-1H-pyrazole-5-carboxylic acid 1H-pyrazole-5-carboxylic acid, 1-methyl-3-(1-methylethyl)- 1H-Pyrazole-5-carboxylic acid, 1-Methyl-3-(1-Methylethyl)-
CAS	78208-73-8
InChI	InChI=1/C8H12N2O2/c1-5(2)6-4-7(8(11)12)10(3)9-6/h4-5H,1-3H3,(H,11,12)

1-甲基-3-异丙基-吡唑-5-甲酸 - Physico-chemical Properties

Molecular Formula	C8H12N2O2
Molar Mass	168.19
Density	1.19±0.1 g/cm3 (20 ºC 760 Torr)
Boling Point	310.1±30.0 °C(Predicted)
Flash Point	141.3°C
Vapor Presure	0.000264mmHg at 25°C
pKa	3.08±0.25(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.555

1-甲基-3-异丙基-吡唑-5-甲酸 - Risk and Safety

Risk Codes	43 - May cause sensitization by skin contact
Safety Description	36/37 - Wear suitable protective clothing and gloves.
WGK Germany	3

1-甲基-3-异丙基-吡唑-5-甲酸 - Introduction

1-methyl-3-(1-methyllethyl)-phenyl acid is an organic compound with the chemical formula C8H12N2O2.

Nature:
-Appearance: Colorless crystalline solid
-Melting point: 120-123°C
-Boiling point: 394.4°C
-Solubility: Slightly soluble in water, soluble in ethanol and acetone

Use:
1-methylethyl -3-(1-methylethyl)-acid is commonly used in drug synthesis and pesticide synthesis.

Preparation Method:
1-methylethyl -3-(1-methylethyl)-methyacid can be prepared by the following steps:
-Step 1: 1-methyl-3-isopropyl-pyrazole hydrate is reacted with a base to generate the corresponding sodium salt.
-Step 2: React the sodium salt with the alkyl halide solution to generate 1-methyl-3-(1-methylethyl)-acid.

Safety Information:
- 1-methyl-3-(1-methyllethyl)-the toxicity of acid is low, but it is still necessary to pay attention to protective measures, such as gloves, masks and protective glasses.
-Avoid contact with skin, eyes and respiratory tract.
-in the use of the process should be away from the source of fire, to avoid its thermal decomposition or explosion.
-If inhaled or touched by accident, wash off promptly and seek medical examination.

Last Update：2024-04-09 02:00:48