2-(4-Methylthiazol-5-yl)ethyl acetate

乙酸硫噻唑

Also known as: Sulfurol acetate, 4-Methyl-5-thiazolylethyl acetate, 4-Methyl-5-thiazoleethanol acetate, 5-(2-Acetoxyethyl)-4-methylthiazole, Acetic acid 2-(4-methyl-5-thiazolyl)ethyl ester, 2-(4-Methyl-5-thiazolyl)ethyl acetate, 4-Methyl-5-(2-acetoxyethyl)thiazole, 4-Methyl-5-acetoxyethyl thiazole, 4-Methyl-5-(β-acetoxyethyl)thiazole, 5-Thiazoleethanol, 4-methyl-, acetate (ester), FEMA 3205

2-(4-Methylthiazol-5-yl)ethyl acetate (CAS 656-53-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11NO2S and a molecular weight of 185.243 g/mol. It is also known as Sulfurol acetate, 4-Methyl-5-thiazolylethyl acetate and 4-Methyl-5-thiazoleethanol acetate. Key properties include a melting point of 112ºC, a boiling point of 261.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 120.3±23.2 °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.
656-53-1
Jingsj CID
J-1354097-9
Molecular Formula
C8H11NO2S
Chinese Name
乙酸硫噻唑
Molecular Weight
185.243 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112ºC
Boiling Point261.4±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point120.3±23.2 °C
Exact Mass185.051056
PSA67.43000
LogP0.98
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.523

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2934100090
Summary2934100090 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-(4-Methylthiazol-5-yl)ethyl acetate?

The CAS number of 2-(4-Methylthiazol-5-yl)ethyl acetate is 656-53-1.

What are the molecular formula and molecular weight of 2-(4-Methylthiazol-5-yl)ethyl acetate?

2-(4-Methylthiazol-5-yl)ethyl acetate has molecular formula C8H11NO2S and molecular weight 185.243 g/mol.

Is 2-(4-Methylthiazol-5-yl)ethyl acetate hazardous?

2-(4-Methylthiazol-5-yl)ethyl acetate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "2-(4-Methylthiazol-5-yl)ethyl acetate (CAS 656-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354097-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.