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

Also known as: 3,5-Di-t-butylpyrazole, 3,5-bis(tert-butyl)pyrazole, 1H-Pyrazole, 3,5-bis(1,1-dimethylethyl)-, 3,5-ditert-butyl-1H-pyrazole, 3,5-tBu2-pyrazole

3,5-Di-tert-butyl-1H-pyrazole (CAS 1132-14-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H20N2 and a molecular weight of 180.29000 g/mol. Key properties include a boiling point of 255.3ºC at 760mmHg, a density of 0.927g/cm3 and a flash point of 95.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1132-14-5
Jingsj CID: J-34039-6
Molecular Formula: C₁₁H₂₀N₂
Molecular Weight: 180.29000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	255.3ºC at 760mmHg
Density	0.927g/cm3
Flash Point	95.5ºC
Exact Mass	180.16300
PSA	28.68000
LogP	3.00470
Vapor Pressure	0.0264mmHg at 25°C
Refractive Index	1.483

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of 3,5-Di-tert-butyl-1H-pyrazole?

The CAS number of 3,5-Di-tert-butyl-1H-pyrazole is 1132-14-5.

What are the molecular formula and molecular weight of 3,5-Di-tert-butyl-1H-pyrazole?

3,5-Di-tert-butyl-1H-pyrazole has molecular formula C11H20N2 and molecular weight 180.29000 g/mol.

What are the upstream and downstream products of 3,5-Di-tert-butyl-1H-pyrazole?

For 3,5-Di-tert-butyl-1H-pyrazole, Upstream Products: 2,2,6,6-Tetramethyl-3,5-heptanedione.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Di-tert-butyl-1H-pyrazole (CAS 1132-14-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34039-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.