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2-Chloroethyl isothiocyanate

Also known as: 1-chloro-2-isothiocyanatoethane, 2-chloroethyl isothiocyanate, isothiocyanic acid 2-chloroethyl ester, MFCD00041125

2-Chloroethyl isothiocyanate (CAS 6099-88-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H4ClNS and a molecular weight of 121.58900 g/mol. Key properties include a boiling point of 80 °C13 mm Hg(lit.), a density of 1.265 g/mL at 25 °C(lit.) and a flash point of 43.3 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
6099-88-3
Jingsj CID
J-1360191-7
Molecular Formula
C3H4ClNS
Molecular Weight
121.58900 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point80 °C13 mm Hg(lit.)
Density1.265 g/mL at 25 °C(lit.)
Flash Point43.3 °C
Exact Mass120.97500
PSA44.45000
LogP1.32800
Refractive Indexn20/D 1.556(lit.)

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Chloroethyl isothiocyanate?

The CAS number of 2-Chloroethyl isothiocyanate is 6099-88-3.

What are the molecular formula and molecular weight of 2-Chloroethyl isothiocyanate?

2-Chloroethyl isothiocyanate has molecular formula C3H4ClNS and molecular weight 121.58900 g/mol.

Is 2-Chloroethyl isothiocyanate hazardous?

2-Chloroethyl isothiocyanate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of 2-Chloroethyl isothiocyanate?

For 2-Chloroethyl isothiocyanate, Upstream Products: Carbon disulphide, Thiophosgene, 2-Chloroethylamine hydrochloride; Downstream Products: 2-Amino-2-thiazoline, 2-Thiazolamine, N-(3,4-dichlorophenyl)-4,5-dihydro-.

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-Chloroethyl isothiocyanate (CAS 6099-88-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360191-7 (accessed 2026-11-09).

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