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3-(1-methylethyl)-pyrazole

Product Name
3-(1-methylethyl)-pyrazole
CAS No.
49633-25-2
Chemical Name
3-(1-methylethyl)-pyrazole
Synonyms
3-isopropyl-1H-pyrazole;3-Isopropylpyrazole;5-Isopropyl-1H-pyrazole;3-ISOPROPYL-2H-PYRAZOLE;5-propan-2-yl-1H-pyrazole;3-(1-methylethyl)-pyrazole;3(5)-isopropyl-1H-pyrazole;3-(propan-2-yl)-1H-pyrazole;3-(1-Methylethyl)-1H-pyrazole;1H-Pyrazole, 3-(1-methylethyl)-
CBNumber
CB61518445
Molecular Formula
C6H10N2
Formula Weight
110.16
MOL File
49633-25-2.mol
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3-(1-methylethyl)-pyrazole Property

Boiling point:
115 °C(Press: 12 Torr)
Density 
0.991±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
pka
14.32±0.10(Predicted)
Appearance
Colorless to light yellow Liquid
InChI
InChI=1S/C6H10N2/c1-5(2)6-3-4-7-8-6/h3-5H,1-2H3,(H,7,8)
InChIKey
ZICRALLMHKILDG-UHFFFAOYSA-N
SMILES
N1C=CC(C(C)C)=N1
CAS DataBase Reference
49633-25-2(CAS DataBase Reference)
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Safety

HazardClass 
IRRITANT
HS Code 
2933199090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
I873470
Product name
3-Isopropyl-1H-pyrazole
Packaging
500mg
Price
$90
Updated
2021/12/16
Matrix Scientific
Product number
064448
Product name
5-Isopropyl-1H-pyrazole
Packaging
500mg
Price
$158
Updated
2021/12/16
AK Scientific
Product number
Y5451
Product name
3-Isopropyl-1H-pyrazole
Packaging
5g
Price
$292
Updated
2021/12/16
Apolloscientific
Product number
OR909285
Product name
3-Isopropyl-1H-pyrazole
Purity
98%
Packaging
5g
Price
$414
Updated
2021/12/16
SynQuest Laboratories
Product number
3H32-1-LK
Product name
3-Isopropyl-1H-pyrazole
Purity
98%
Packaging
5G
Price
$456
Updated
2021/12/16
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3-(1-methylethyl)-pyrazole Chemical Properties,Usage,Production

Synthesis

5782-56-9

49633-25-2

Step 4: Preparation of 3-isopropyl-1H-pyrazole (88b). 1-(Dimethylamino)-4-methylpent-1-en-3-one (87) (6.6 g, 1 eq.) was slowly added dropwise to a stirred mixed solution of hydrazine monochloride (3.2 g, 1 eq.), sulfuric acid (1.13 mL) and water (6 mL). The reaction mixture was stirred at 68 °C for 2 hours. Upon completion of the reaction, the reaction mixture was neutralized with 1N NaOH solution and subsequently extracted with ether. The organic layers were combined, dried with anhydrous Na2SO4, filtered and concentrated under reduced pressure to afford the target product 3-isopropyl-1H-pyrazole (88b) as a beige solid in 94% yield.1H NMR (DMSO-d6, 400 MHz) δ: 1.17 (s, 3H), 1.19 (s, 3H), 2.87-2.93 (m, 1H), 5.99 ( s, 1H), 7.40 (s, 1H), 1.39-1.43 (t, J = 7.04 Hz, 3H), 4.08-4.13 (q, J = 7.04 Hz, 2H), 5.86 (d, J = 12.40 Hz, 1H), 7.90 (d, J = 12.40 Hz, 1H).

References

[1] Patent: WO2009/14730, 2009, A1. Location in patent: Page/Page column 132
[2] Patent: US2004/63744, 2004, A1. Location in patent: Page/Page column 89
[3] Patent: WO2011/17389, 2011, A1. Location in patent: Page/Page column 152

3-(1-methylethyl)-pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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3-(1-methylethyl)-pyrazole Suppliers

Accela ChemBio Inc.
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View Lastest Price from 3-(1-methylethyl)-pyrazole manufacturers

Career Henan Chemical Co
Product
3-Isopropyl-1H-pyrazole 49633-25-2
Price
US $1.00/g
Min. Order
1g
Purity
99%
Supply Ability
10000kgs
Release date
2020-01-09