CompoundList
Sign in
Heterocyclic compounds

Epithiochlorohydrin

Also known as 2-(Chloromethyl)thiirane, Thioepichlorohydrin, (Chloromethyl)thiirane

CAS 3221-15-6Formula C3H5ClSMolar mass 108.59 g/molEC 807-683-1
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant 1 supplier listed
Get quotes See the supplier
Epithiochlorohydrin chemical structure, C3H5ClS, CAS 3221-15-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3221-15-6
Formula
C3H5ClS
Molar mass
108.59 g/mol
EC number
807-683-1
HS code
293499
Category
Heterocyclic compounds

What is Epithiochlorohydrin?

Plain description, key identifiers and synonyms

Epithiochlorohydrin is a chemical substance with the molecular formula C3H5ClS and a molar mass of 108.59 g/mol. Its CAS registry number is 3221-15-6. The IUPAC name is 2-(chloromethyl)thiirane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(chloromethyl)thiirane
CAS number
3221-15-6 CAS number cross-checkedOther or deprecated CAS: 2298446-09-8
EC number
807-683-1
Molecular formula
C3H5ClS
UNII
5N825YLR9Q
MDL number
MFCD00041199
InChIKey
XRWMHJJHPQTTLQ-UHFFFAOYSA-N
InChI
InChI=1S/C3H5ClS/c4-1-3-2-5-3/h3H,1-2H2
SMILES (canonical and isomeric)
C1C(S1)CCl

Synonyms

  • 2-(Chloromethyl)thiirane
  • Thioepichlorohydrin
  • (Chloromethyl)thiirane
  • 3-Chloropropylene sulfide
  • Thioepichlorhydrin
  • Chloropropylene sulfide
  • 2-Thiiranylmethyl chloride
  • Thiirane, (chloromethyl)-
  • 1-Chloro-2,3-epithiopropane
  • Chloropropylene sulphide
  • 2-(Chloromethyl)ethylene sulfide
  • Propane, 1-chloro-2,3-epithio-
  • 3-Chloropropene sulfide
  • Thiirane, 2-(chloromethyl)-
  • Thiirane, 2-chloromethyl-
  • 3-Chloro-1,2-propylene sulfide
  • 5-17-01-00026 (Beilstein Handbook Reference)
  • Epithiochlorhydrin
  • Epithiochlorhydrine
  • epithiochlorohydrine
  • 2-(chloromethyl)-thiirane
  • (2R)-2-(chloromethyl)thiirane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
108.59 g/molcalc.
Exact mass
107.98 Dacalc.
LogP (octanol/water)
1.34calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
5calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CS1

C1CS1

1 ring, 3 atoms, the Thiirane ring system.

95 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H300Fatal if swallowed.
  • H311 + H331Toxic in contact with skin. Toxic if inhaled.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H317May cause an allergic skin reaction.
  • H331Toxic if inhaled.
Precautionary statements (24)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Epithiochlorohydrin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

See the supplier

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Epithiochlorohydrin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Epithiochlorohydrin is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Epithiochlorohydrin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Epithiochlorohydrin, based on the data on this page

What is Epithiochlorohydrin?

Epithiochlorohydrin is a chemical substance with the molecular formula C3H5ClS and a molar mass of 108.59 g/mol. Its CAS registry number is 3221-15-6. The IUPAC name is 2-(chloromethyl)thiirane.

What is the CAS number of Epithiochlorohydrin?

The CAS registry number of Epithiochlorohydrin is 3221-15-6. Other or deprecated CAS numbers: 2298446-09-8.

What is the molecular formula and weight of Epithiochlorohydrin?

The molecular formula of Epithiochlorohydrin is C3H5ClS and its molar mass is 108.59 g/mol.

Is Epithiochlorohydrin hazardous?

Epithiochlorohydrin carries the GHS signal word "Danger". Main hazards: fatal if swallowed, toxic in contact with skin. toxic if inhaled, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Epithiochlorohydrin?

Epithiochlorohydrin is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Epithiochlorohydrin?

CompoundList lists 1 supplier of Epithiochlorohydrin in Slovakia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Epithiochlorohydrin?

Suppliers quote Epithiochlorohydrin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Epithiochlorohydrin

Get quotes for Epithiochlorohydrin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Epithiochlorohydrin
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Epithiochlorohydrin with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/epithiochlorohydrin-3221-15-6" title="Epithiochlorohydrin structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Heterocyclic compounds or HS code 293499

1 supplier
Free quotes, contact stays private
Get quotes