2,5-Bis(trimethylsilyl)thiazole

Also known as: 2,5-Bis(trimethylsilyl)-1,3-thiazole, 2,5-bistrimethylsilanylthiazole, Thiazole, 2,5-bis(trimethylsilyl)-, trimethyl-(2-trimethylsilyl-1,3-thiazol-5-yl)silane, 2,5-Bistrimethylsilanylthiazole, 2,5-Bis(trimethylsilyl)thiazol, 2,5-BIS(TRIMETHYLSILYL)-1,3-THIAZOLE

2,5-Bis(trimethylsilyl)thiazole (CAS 79265-34-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H19NSSi2 and a molecular weight of 229.49000 g/mol. Key properties include a melting point of 53-56ºC, a boiling point of 100ºC/13mm, a density of 0.94g/cm3 and a flash point of >110 °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 Nov 3, 2026.

CAS No.: 79265-34-2
Jingsj CID: J-20612-2
Molecular Formula: C₉H₁₉NSSi₂
Molecular Weight: 229.49000 g/mol
Category: Pharma Intermediates
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	53-56ºC
Boiling Point	100ºC/13mm
Density	0.94g/cm3
Flash Point	>110 °C
Exact Mass	229.07800
PSA	41.13000
LogP	2.23350
Refractive Index	1.472

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2934100090
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,5-Bis(trimethylsilyl)thiazole?

The CAS number of 2,5-Bis(trimethylsilyl)thiazole is 79265-34-2.

What are the molecular formula and molecular weight of 2,5-Bis(trimethylsilyl)thiazole?

2,5-Bis(trimethylsilyl)thiazole has molecular formula C9H19NSSi2 and molecular weight 229.49000 g/mol.

Is 2,5-Bis(trimethylsilyl)thiazole hazardous?

2,5-Bis(trimethylsilyl)thiazole 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 2,5-Bis(trimethylsilyl)thiazole?

For 2,5-Bis(trimethylsilyl)thiazole, Upstream Products: Thiazole, Chlorotrimethylsilane, 2-(Trimethylsilyl)thiazole; Downstream Products: 5-(Trimethylsilyl)-1,3-thiazole.

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

Last updated: 11/3/2026

How to cite: Jingsj. "2,5-Bis(trimethylsilyl)thiazole (CAS 79265-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20612-2 (accessed 2026-11-09).

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