1-Methyl-1H-pyrazole-4-carbonitrile
- Product Name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- CAS No.
- 66121-71-9
- Chemical Name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Synonyms
- N-methyl-4-cyanopyrazole;1-Methyl-4-cyanopyrazole;4-Cyano-1-Methylpyrazole;1-Methyl-Pyrazole-4-carbonitrile;1-Methyl-1H-pyrazol-4-carbonitrile;1H-Pyrazole-4-carbonitrile,1-Methyl;1-METHYL-1H-PYRAZOLE-4-CARBONITRILE;1H-Pyrazole-4-carbonitrile,1-methyl-(9CI);1-methyl-1H-pyrazole-4-carbonitrile(SALTDATA: FREE)
- CBNumber
- CB31289470
- Molecular Formula
- C5H5N3
- Formula Weight
- 107.11
- MOL File
- 66121-71-9.mol
1-Methyl-1H-pyrazole-4-carbonitrile Property
- Melting point:
- 60 °C(Solv: cyclohexane (110-82-7))
- Boiling point:
- 230.2±13.0 °C(Predicted)
- Density
- 1.12±0.1 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- -1.41±0.10(Predicted)
- Appearance
- White to light yellow Solid
Safety
- HS Code
- 2933199090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H301Toxic if swalloed
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
N-Bromosuccinimide Price
- Product number
- B495213
- Product name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Packaging
- 100mg
- Price
- $60
- Updated
- 2021/12/16
- Product number
- B495213
- Product name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Packaging
- 500mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- OR939081
- Product name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Purity
- 95%
- Packaging
- 1g
- Price
- $125
- Updated
- 2021/12/16
- Product number
- 3H37-1-94
- Product name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Purity
- 95%
- Packaging
- 1g
- Price
- $200
- Updated
- 2021/12/16
- Product number
- 085370
- Product name
- 1-Methyl-1H-pyrazole-4-carbonitrile
- Purity
- 97%
- Packaging
- 1g
- Price
- $300
- Updated
- 2021/12/16
1-Methyl-1H-pyrazole-4-carbonitrile Chemical Properties,Usage,Production
Synthesis
25016-11-9
66121-71-9
The general procedure for the synthesis of 1-methylpyrazole-4-carbonitrile using 1-methyl-1H-pyrazole-4-carboxaldehyde as starting material was as follows: 1-methyl-1H-pyrazole-4-carboxaldehyde (11.0 g, 0.1 mol), sodium bromate (6.0 g, 0.04 mol) and acetic acid (50 g, 0.83 mol) were mixed in a reaction flask at room temperature. Subsequently, 25% ammonia (12.5 g) and water (100 mL) were added to the mixture. The reaction mixture was heated to 90 °C and after the reaction was observed to be exothermic, the reaction temperature was maintained at 100 °C and the reflux reaction was carried out for 1 h (monitored by TLC until 1-methyl-1H-pyrazole-4-carbaldehyde was fully reacted). Upon completion of the reaction, the reaction solution was cooled to room temperature and poured into ice water for quenching and dilution. The reaction solution was adjusted to neutral with a suitable base solution and subsequently extracted with ethyl acetate and the organic phase was dried over anhydrous sodium sulfate. After concentration of the organic phase, the product was purified by distillation under reduced pressure and recrystallization. The final product was 1-methylpyrazole-4-carbonitrile (10.2 g, 95% yield), which was analyzed by HPLC with a purity of more than 99%.
References
[1] Patent: CN108707113, 2018, A. Location in patent: Paragraph 0017
[2] Russian Journal of General Chemistry, 2012, vol. 82, # 10, p. 1720 - 1723
[3] Zh. Obshch. Khim., 2012, vol. 82, # 10, p. 1716 - 1719,4
1-Methyl-1H-pyrazole-4-carbonitrile Preparation Products And Raw materials
Raw materials
Preparation Products
View Lastest Price from 1-Methyl-1H-pyrazole-4-carbonitrile manufacturers
- Product
- 1H-Pyrazole-4-carbonitrile,1-methyl-(9CI) 66121-71-9
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 200kg
- Release date
- 2019-12-25