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2-Methylthiopyridine

Also known as: 2-(Methylthio)pyridine, 2-(Methylsulfanyl)pyridine, Methyl 2-pyridyl sulfide, Methyl 2-pyridinyl sulfide, 2-Pyridyl methyl sulfide, 2-Methylsulfanylpyridine, 2-Thiomethoxypyridine, Methylthio-2-pyridine

2-Methylthiopyridine (CAS 18438-38-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NS and a molecular weight of 125.191 g/mol. Key properties include a boiling point of 211.0±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 81.4±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18438-38-5
Jingsj CID
J-20293-7
Molecular Formula
C6H7NS
Molecular Weight
125.191 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point211.0±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point81.4±19.8 °C
Exact Mass125.029922
PSA38.19000
LogP1.71
Vapor Pressure0.3±0.4 mmHg at 25°C
Refractive Index1.572

GHS Safety & Compliance

IrritantSignal word: Warning
  • 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-Methylthiopyridine?

The CAS number of 2-Methylthiopyridine is 18438-38-5.

What are the molecular formula and molecular weight of 2-Methylthiopyridine?

2-Methylthiopyridine has molecular formula C6H7NS and molecular weight 125.191 g/mol.

Is 2-Methylthiopyridine hazardous?

2-Methylthiopyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2-Methylthiopyridine?

For 2-Methylthiopyridine, Upstream Products: 2-Mercaptopyridine, iodomethane, 2-Bromopyridine; Downstream Products: 2-[(Tribromomethyl)sulfonyl]pyridine, 2,2'-Bipyridine, 2-Benzylpyridine.

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-Methylthiopyridine (CAS 18438-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20293-7 (accessed 2026-11-09).

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