4-tert-Butylpicolinic acid

Also known as: 4-tert-butylpyridine-2-carboxylic acid, 4-(tert-Butyl)picolinic acid, 2-Pyridinecarboxylic acid, 4-(1,1-dimethylethyl)-, 4-(1,1-dimethylethyl)-2-Pyridinecarboxylic acid, 4-tert-Butylpyridine-2-carboxylic acid, 4-t-Butylpicolinic acid, 4-tert-butyl-pyridine-2-carboxylic acid

4-tert-Butylpicolinic acid (CAS 42205-74-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13NO2 and a molecular weight of 179.21600 g/mol. Key properties include a boiling point of 321.3ºC at 760 mmHg, a density of 1.107g/cm3 and a flash point of 148.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42205-74-3
Jingsj CID: J-1309686-1
Molecular Formula: C₁₀H₁₃NO₂
Molecular Weight: 179.21600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	321.3ºC at 760 mmHg
Density	1.107g/cm3
Flash Point	148.1ºC
Exact Mass	179.09500
PSA	50.19000
LogP	2.07730
Refractive Index	1.525

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine 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 4-tert-Butylpicolinic acid?

The CAS number of 4-tert-Butylpicolinic acid is 42205-74-3.

What are the molecular formula and molecular weight of 4-tert-Butylpicolinic acid?

4-tert-Butylpicolinic acid has molecular formula C10H13NO2 and molecular weight 179.21600 g/mol.

What are the upstream and downstream products of 4-tert-Butylpicolinic acid?

For 4-tert-Butylpicolinic acid, Upstream Products: 4-tert-Butylpyridine 1-oxide, Carbon dioxide, 2-Bromo-4-(tert-butyl)pyridine.

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. "4-tert-Butylpicolinic acid (CAS 42205-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309686-1 (accessed 2026-11-09).

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