3,5-di-tert-butyl-1H-pyrazole

Modify Date: 2025-09-17 21:58:11

3,5-di-tert-butyl-1H-pyrazole Structure
3,5-di-tert-butyl-1H-pyrazole structure
Common Name 3,5-di-tert-butyl-1H-pyrazole
CAS Number 1132-14-5 Molecular Weight 180.29000
Density 0.927g/cm3 Boiling Point 255.3ºC at 760mmHg
Molecular Formula C11H20N2 Melting Point N/A
MSDS N/A Flash Point 95.5ºC

 Names

Name 3,5-ditert-butyl-1H-pyrazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.927g/cm3
Boiling Point 255.3ºC at 760mmHg
Molecular Formula C11H20N2
Molecular Weight 180.29000
Flash Point 95.5ºC
Exact Mass 180.16300
PSA 28.68000
LogP 3.00470
Vapour Pressure 0.0264mmHg at 25°C
Index of Refraction 1.483
InChIKey UEQDCVLVDQENIN-UHFFFAOYSA-N
SMILES CC(C)(C)c1cc(C(C)(C)C)[nH]n1

 Safety Information

HS Code 2933199090

 Synthetic Route

~94%

3,5-di-tert-butyl-1H-pyrazole Structure

3,5-di-tert-but...

CAS#:1132-14-5

Literature: Fernandez-Castano, Cristina; Foces-Foces, Concepcion; Jagerovic, Nadine; Elguero, Jose Journal of Molecular Structure, 1995 , vol. 355, p. 265 - 272

 Precursor & DownStream

Precursor  1

DownStream  0

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,5-Di-t-butylpyrazole
1H-Pyrazole,3,5-bis(1,1-dimethylethyl)
3,5-bis(tert-butyl)pyrazol
3,5-tBu2-pyrazole
(3,5-di-tert-butyl)pyrazole
3,5-di-tert-butyl-1H-pyrazole
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