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2,4,6-Trimethylpyridine

Also known as: 2,4,6-Collidine, sym-Collidine, Collidine, 2,4,6-Trimethylpyridine, 2,4,6-Kollidin, alpha,gamma,alpha'-Collidine, g-Collidine

2,4,6-Trimethylpyridine (CAS 108-75-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11N and a molecular weight of 121.180 g/mol. Key properties include a melting point of −43 °C(lit.), a boiling point of 171.0±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 57.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
108-75-8
Jingsj CID
J-825849-9
Molecular Formula
C8H11N
Molecular Weight
121.180 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−43 °C(lit.)
Boiling Point171.0±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point57.2±0.0 °C
Exact Mass121.089149
PSA12.89000
LogP2.11
Vapor Pressure1.9±0.3 mmHg at 25°C
Refractive Index1.502
Additional Property35 g/L (20 ºC)

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 2,4,6-Trimethylpyridine?

The CAS number of 2,4,6-Trimethylpyridine is 108-75-8.

What are the molecular formula and molecular weight of 2,4,6-Trimethylpyridine?

2,4,6-Trimethylpyridine has molecular formula C8H11N and molecular weight 121.180 g/mol.

Is 2,4,6-Trimethylpyridine hazardous?

2,4,6-Trimethylpyridine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.

What are the upstream and downstream products of 2,4,6-Trimethylpyridine?

For 2,4,6-Trimethylpyridine, Upstream Products: 3,5-Dimethyl-2-cyclohexen-1-one, ch3cho, 2,4,6-Trimethylpyrylium tetrafluoroborate; Downstream Products: 3,20-Dioxopregna-1,4,9(11),16-tetraen-21-yl acetate, Geranyl chloride, Cholesta-4,6-dien-3-one.

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

Last updated:

How to cite: Jingsj. "2,4,6-Trimethylpyridine (CAS 108-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-825849-9 (accessed 2026-11-09).

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