4-Iodo-1-methyl-1H-pyrazole

Product Name: 4-Iodo-1-methyl-1H-pyrazole
CAS No.: 39806-90-1
Chemical Name: 4-Iodo-1-methyl-1H-pyrazole
Synonyms: 1-Methyl-4-iodo-pyrazole;4-iodo-N-;4-Iodo-1-methyL;1-methyl-4-iodopyridine;1-Methyl-4-iodopyrazole;4-iodo-N-Methylpyrazole;4-Iodo-1-methylpyrazole>4-IODO-1-METHYL-1H-PYRAZOLE;1-METHYL-4-IODO-1H-PYRAZOLE;4-Iodo-1-Methylpyrazole, 97+%
CBNumber: CB1212936
Molecular Formula: C4H5IN2
Formula Weight: 208
MOL File: 39806-90-1.mol

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4-Iodo-1-methyl-1H-pyrazole Property

Melting point:: 61-67 °C
Boiling point:: 105-106 °C(Press: 15 Torr)
Density: 2.07±0.1 g/cm3(Predicted)
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
solubility: soluble in Methanol
pka: 0.35±0.10(Predicted)
form: Crystals or Crystalline Needles
color: Off-white semi-transparent
Water Solubility: Insoluble
InChI: InChI=1S/C4H5IN2/c1-7-3-4(5)2-6-7/h2-3H,1H3
InChIKey: RSDRDHPLXWMTRJ-UHFFFAOYSA-N
SMILES: N1(C)C=C(I)C=N1
CAS DataBase Reference: 39806-90-1(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38-41-37/38
Safety Statements: 37/39-26-39
WGK Germany: 3
HazardClass: IRRITANT
HS Code: 29331990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 683531
Product name: 4-Iodo-1-methyl-1H-pyrazole
Purity: 97%
Packaging: 5g
Price: $301
Updated: 2023/06/20

TCI Chemical

Product number: I0829
Product name: 4-Iodo-1-methylpyrazole
Purity: >98.0%(GC)
Packaging: 1g
Price: $42
Updated: 2025/07/31

TCI Chemical

Product number: I0829
Product name: 4-Iodo-1-methylpyrazole
Purity: >98.0%(GC)
Packaging: 5g
Price: $125
Updated: 2025/07/31

TRC

Product number: B448765
Product name: 4-Iodo-1-methyl-1H-pyrazole
Packaging: 100mg
Price: $60
Updated: 2021/12/16

TRC

Product number: B448765
Product name: 4-Iodo-1-methyl-1H-pyrazole
Packaging: 500mg
Price: $75
Updated: 2021/12/16

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4-Iodo-1-methyl-1H-pyrazole Chemical Properties,Usage,Production

Chemical Properties

off-white semi-transparent crystals or

Uses

suzuki reaction

Synthesis

3469-69-0

74-88-4

39806-90-1

Under nitrogen protection, 4-iodo-1H-pyrazole (1.58 g, 8.0 mmol) was dissolved in anhydrous tetrahydrofuran and added dropwise to a freshly prepared suspension of sodium hydride (0.21 g, 8.7 mmol). The reaction mixture was stirred at room temperature for 3 h. Then iodomethane (1.0 mL, 2.24 g, 15.8 mmol) was slowly added dropwise. Stirring of the reaction mixture was continued for 12 h. The reaction was subsequently quenched by the addition of about 50 mL of water. The crude product was extracted with ether and the organic phase was dried over anhydrous sodium sulfate. Concentration under reduced pressure to remove the solvent gave 1-methyl-4-iodo-pyrazole as a pale yellow solid. Yield: 1.64 g, 98% yield.

References

[1] Heterocycles, 2018, vol. 96, # 7, p. 1203 - 1215
[2] Patent: US6797723, 2004, B1. Location in patent: Page/Page column 97
[3] Patent: WO2014/22128, 2014, A1. Location in patent: Paragraph 0186
[4] Patent: CN103539777, 2016, B. Location in patent: Paragraph 0455;0456
[5] Patent: WO2012/123745, 2012, A1. Location in patent: Page/Page column 70

4-Iodo-1-methyl-1H-pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Iodo-1-methyl-1H-pyrazole Suppliers

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View Lastest Price from 4-Iodo-1-methyl-1H-pyrazole manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 4-Iodo-1-methyl-1H-pyrazole 39806-90-1
Price: US $30.00-10.00/KG
Min. Order: 50KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-04

Henan Aochuang Chemical Co.,Ltd.

Product: 4-Iodo-1-methyl-1H-pyrazole 39806-90-1
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-09-22

Shaanxi Dideu Medichem Co. Ltd

Product: 4-Iodo-1-methyl-1H-pyrazole 39806-90-1
Price: US $0.00-0.00/KG
Min. Order: 5mg
Purity: 99%HPLC
Supply Ability: 2000tons
Release date: 2020-01-06

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