3,5-Dimethyl-4-iodopyrazole

Product Name: 3,5-Dimethyl-4-iodopyrazole
CAS No.: 2033-45-6
Chemical Name: 3,5-Dimethyl-4-iodopyrazole
Synonyms: SALOR-INT L119644-1EA;LABOTEST-BB LT01148501;4-IODO-3,5-DIMETHYLPYRAZOLE;3,5-DIMETHYL-4-IODOPYRAZOLE;3,5-dimethyl-4-iodo-pyrazol;3.5-Dimethyl-4-lodo pyrazole;Pyrazole, 3,5-dimethyl-4-iodo-;4-Iodo-3,5-dimethylpyrazole>4-IODO-3,5-DIMETHYL-1H-PYRAZOLE;3,5-DIMETHYL-4-IODO-1H-PYRAZOLE
CBNumber: CB5735673
Molecular Formula: C5H7IN2
Formula Weight: 222.03
MOL File: 2033-45-6.mol

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3,5-Dimethyl-4-iodopyrazole Property

Melting point:: 136-140 °C
Boiling point:: 297.3±35.0 °C(Predicted)
Density: 1.920±0.06 g/cm3(Predicted)
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
form: powder to crystal
pka: 14.11±0.50(Predicted)
color: White to Almost white
Sensitive: Light Sensitive
λmax: 223nm(EtOH)(lit.)
CAS DataBase Reference: 2033-45-6(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 37/38-41
Safety Statements: 24/25-39-26
WGK Germany: 3
RTECS: UQ6517000
HazardClass: IRRITANT
HS Code: 29331990
Toxicity: mouse,LD50,intraperitoneal,550mg/kg (550mg/kg),Farmakologiya i Toksikologiya Vol. 25, Pg. 27, 1962.

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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: 683523
Product name: 3,5-Dimethyl-4-iodo-1H-pyrazole
Purity: 97%
Packaging: 5g
Price: $78.4
Updated: 2025/07/31

Sigma-Aldrich

Product number: 683523
Product name: 3,5-Dimethyl-4-iodo-1H-pyrazole
Purity: 97%
Packaging: 1g
Price: $65
Updated: 2023/01/07

TCI Chemical

Product number: I0771
Product name: 4-Iodo-3,5-dimethylpyrazole
Purity: >98.0%(GC)
Packaging: 1g
Price: $20
Updated: 2025/07/31

TCI Chemical

Product number: I0771
Product name: 4-Iodo-3,5-dimethylpyrazole
Purity: >98.0%(GC)
Packaging: 5g
Price: $49
Updated: 2025/07/31

TRC

Product number: D474208
Product name: 3,5-Dimethyl-4-iodopyrazole
Packaging: 250mg
Price: $45
Updated: 2021/12/16

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3,5-Dimethyl-4-iodopyrazole Chemical Properties,Usage,Production

Chemical Properties

white crystalline chunks

Synthesis

67-51-6

2033-45-6

In a 250 mL round bottom flask, 3,5-dimethyl-1H-pyrazole (0.5 g, 5 mmol), iodine (I2, 0.79 g, 30 mmol) and ceric ammonium nitrate (CAN, 1.71 g, 3 mmol) were dissolved in 70 mL of acetonitrile (CH3CN). The reaction mixture was stirred at room temperature for 16 hours. After completion of the reaction, the solvent was removed by rotary evaporator. The residue was dissolved in ethyl acetate (AcOEt) and washed sequentially with 10% aqueous sodium thiosulfate (Na2S2O3) and saturated saline. The aqueous phase was extracted once more with ethyl acetate, all organic phases were combined, dried over anhydrous sodium sulfate (Na2SO4), filtered and concentrated to dryness to afford 1.15 g (100% yield) of crude 4-iodo-3,5-dimethyl-1H-pyrazole, which was used in the subsequent reaction without further purification.LC-MS (MH+): 223.

References

[1] Patent: WO2006/128692, 2006, A2. Location in patent: Page/Page column 76
[2] Canadian Journal of Chemistry, 1992, vol. 70, # 4, p. 1121 - 1128
[3] Tetrahedron Letters, 2005, vol. 46, # 40, p. 6833 - 6837
[4] Tetrahedron Letters, 2001, vol. 42, # 5, p. 863 - 865
[5] Synthesis, 2001, # 11, p. 1711 - 1715

3,5-Dimethyl-4-iodopyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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3,5-Dimethyl-4-iodopyrazole Suppliers

Americas 1 Belgium 2 China 132 Europe 1 France 1 Germany 3 India 3 Japan 2 Switzerland 1 United Kingdom 8 United States 21 Global 175

TCI AMERICA

Tel: 800-4238616
Fax: +1-888-520-1075 / +1-503-283-1987
Email: sales@tciamerica.com
Country: Americas
ProdList: 23653
Advantage: 75

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View Lastest Price from 3,5-Dimethyl-4-iodopyrazole manufacturers

Zhuozhou Wenxi import and Export Co., Ltd

Product: 3,5-Dimethyl-4-iodopyrazole 2033-45-6
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

Career Henan Chemical Co

Product: 3,5-Dimethyl-4-iodopyrazole 2033-45-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 100KG
Release date: 2019-05-24

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