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Rodenticides, nematicides and other pesticides

Epichlorohydrin

Also known as 2-(Chloromethyl)oxirane, Epichlorhydrin, 1-Chloro-2,3-epoxypropane

CAS 106-89-8Formula C3H5ClOMolar mass 92.53 g/molEC 203-439-8
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Acute toxicity (severe), Serious health hazard 123 suppliers listed
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Epichlorohydrin chemical structure, C3H5ClO, CAS 106-89-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-25.6 °C
Boiling point
117.9 °C
Density
Relative density (water = 1): 1.2
Flash point
31 °C
HS code
291030
Category
Rodenticides, nematicides and other pesticides
UN number
UN 2023
Illustrative photo, clear liquid in sealed glass ampoules on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Epichlorohydrin?

Plain description, key identifiers and synonyms

Epichlorohydrin is an epoxide that is 1,2-epoxypropene in which one of the methyl hydrogens is substituted by chlorine. It is an epoxide and an organochlorine compound. It is functionally related to a 1,2-epoxypropane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(chloromethyl)oxirane
CAS number
106-89-8 CAS number cross-checkedOther or deprecated CAS: 13403-37-7, 9009-12-5
EC number
203-439-8
Molecular formula
C3H5ClO
UNII
08OOR508C0
MDL number
MFCD00005132
InChIKey
BRLQWZUYTZBJKN-UHFFFAOYSA-N
InChI
InChI=1S/C3H5ClO/c4-1-3-2-5-3/h3H,1-2H2
SMILES (canonical and isomeric)
C1C(O1)CCl

Synonyms

  • 2-(Chloromethyl)oxirane
  • Epichlorhydrin
  • 1-Chloro-2,3-epoxypropane
  • Glycidyl chloride
  • Epichlorhydrine
  • Chloromethyloxirane
  • Oxirane, (chloromethyl)-
  • Chloropropylene oxide
  • 2,3-Epoxypropyl chloride
  • Epichloorhydrine
  • (Chloromethyl)oxirane
  • 1,2-Epoxy-3-chloropropane
  • 3-Chloro-1,2-epoxypropane
  • Glycerol epichlorhydrin
  • Glycerol epichlorohydrin
  • 3-Chloropropylene oxide
  • alpha-Epichlorohydrin
  • (Chloromethyl)ethylene oxide
  • 3-Chloro-1,2-propylene oxide
  • Epicloridrina
  • Epichlorohydryna
  • Epichlorophydrin
  • SKEKhG
  • epi-Chlorohydrin
  • 3-Chloropropene-1,2-oxide
Show all 38 synonyms
  • Oxirane, 2-(chloromethyl)
  • gamma-Chloropropylene oxide
  • 1-Cloro-2,3-epossipropano
  • 1-Chlor-2,3-epoxy-propan
  • (RS)-3-chloro-1,2-epoxypropane
  • 1-Chloor-2,3-epoxy-propaan
  • Rcra waste number U041
  • DL-a-Epichlorohydrin
  • (DL)-alpha-Epichlorohydrin
  • 2-Chloropropylene oxide
  • Chloromethylethylene Oxide
  • Epichlorohydrin, (+-)-
  • epichlorohydrine

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

Appearance
Colorless liquidexp.
Odour
Odor is sweet, pungent or chloroform-like generally perceived as a slightly irritating chloroformlike odorexp.
Melting point
-25.6 °Cexp.
Boiling point
117.9 °Cexp.
Density
Relative density (water = 1): 1.2exp.
Flash point
31 °Cexp.
Autoignition temperature
411 °Cexp.
Solubility
In water, 6.59 × 10⁺⁴ mg/L at 25 °Cexp.
Vapour pressure
16.4 mm Hg at 25 °Cexp.

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
92.53 g/molcalc.
Exact mass
92.0029 Dacalc.
LogP (octanol/water)
0.62calc.
Topological polar surface area
12.53 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, C1CO1

C1CO1

1 ring, 3 atoms, the Ethylene oxide ring system.

3,057 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
332WNFPA 704 rating

Hazard statements

  • H226Flammable liquid and vapour.
  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H317May cause an allergic skin reaction.
  • H331Toxic if inhaled.
  • H350May cause cancer.
Precautionary statements (35)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2023
Transport hazard class
6.1
Packing group
II

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

Epichlorohydrin suppliers

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

All 123 suppliers
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Where suppliers are based

123 suppliers in 16 countries

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Epichlorohydrin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Product profile: Epichlorohydrin: Epichlorohydrin (ECH) is mainly used in epoxy resins, which account for up to 75% of output. Synthetic glycerine is an ECH 'sink' allowing integrated players to use spare capacity to run synthetic glycerine plants independently of the natural glycerine market, and exit or substitute the natural product whenever epoxy demand requires. Glycerine can run to 10-15% of demand while other end uses, such as water and paper treatment resins, and elastomers, account for the remainder.

Insect fumigant (Former US).

Solvent for natural and synthetic resins, gums, cellulose esters and ethers, paints, varnishes, nail enamels and lacquers, cement for celluloid.

Raw material for a number of glycerol and glycidol derivatives.

The primary use of epichlorohydrin is in the production of epoxy resins used in coatings, adhesives, and plastics.

Read more

Epichlorohydrin is also used in the manufacture of synthetic glycerine, textiles, paper, inks and dyes, solvents, surfactants, and pharmaceuticals.

Industrial uses: Filler, Stabilizing agent, Intermediate, Flocculating agent, Monomers, Processing aids not otherwise specified.

Consumer uses: Flocculating agent, Adhesion/cohesion promoter, Intermediate, Monomers.

Functional uses

  • Monomers

Pharmacology

Epichlorohydrin is a volatile and flammable, clear, colorless, liquid, chlorinated cyclic ether with an irritating, chloroform-like odor that emits toxic fumes of hydrochloric acid and other chlorinated compounds when heated to decomposition. Epichlorohydrin is used in the manufacture of epoxy resins, synthetic glycerin and elastomers. Exposure to epichlorohydrin irritates the eyes, skin and respiratory tract, and can cause chemical pneumonitis, pulmonary edema, and renal lesions. This substance also affects the blood. Epichlorohydrin is reasonably anticipated to be a human carcinogen and may be associated with an increased risk of developing respiratory cancer. (NCI05)

How it is made

Epichlorohydrin is commercially prepared by high temperature chlorination of propylene to allyl chloride, followed by chlorohydration with hypochlorous acid to form isomeric glycerol dichlorohydrins. The mixture is subsequently dehydrochlorinated with alkali to yield epichlorohydrin.

Made by chlorohydrination of allyl chloride ... which is obtained by high-temperature chlorination of propylene. Byproducts of chlorination are cis- and trans-1,3-dichloropropene and 1,2-dichloropropane.

Read more

Glycerol dichlorohydrins are made from allyl chloride, with 1,2,3-trichloropropane being obtained as a byproduct. Finally, epichlorohydrin is produced from the glycerol-dichlorohydrin mixture by treatment with base.

Product profile: Epichlorohydrin: ECH (epichlorohydrin) is essentially a derivative of propylene and chlorine that combines the reactivity of an epoxide group (an oxygen bridge) with the additional reactivity of a chloro-group on to a propylene backbone. There are two production routes to ECH: via allyl chloride or allyl alcohol. Over 90% of global capacity is based on allyl chloride which offers better economics if the site is fully integrated with incineration and co-product hydrochloric acid demand.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 603-026-00-6

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: 1-Chloro-2,3-epoxypropane (Epichlorohydrin), Ref no: 657, Annex ref: II/657

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2910.30Exact HS code

1-Chloro-2,3-epoxypropane (epichlorohydrin)

World exports in 2024
$480M
+3.6% vs 2023, imports $454M
2019 to 2024
Top exporters
  1. Thailand25.4%
  2. China19.1%
  3. South Korea15.2%
Top importers
  1. South Korea25.7%
  2. India * partner reported15.3%
  3. United States13.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Epichlorohydrin is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Epichlorohydrin?

Epichlorohydrin is an epoxide that is 1,2-epoxypropene in which one of the methyl hydrogens is substituted by chlorine. It is an epoxide and an organochlorine compound. It is functionally related to a 1,2-epoxypropane.

What is the CAS number of Epichlorohydrin?

The CAS registry number of Epichlorohydrin is 106-89-8. Other or deprecated CAS numbers: 13403-37-7, 9009-12-5.

What is the molecular formula and weight of Epichlorohydrin?

The molecular formula of Epichlorohydrin is C3H5ClO and its molar mass is 92.53 g/mol.

What is Epichlorohydrin used for?

Product profile: Epichlorohydrin: Epichlorohydrin (ECH) is mainly used in epoxy resins, which account for up to 75% of output.

Is Epichlorohydrin hazardous?

Epichlorohydrin carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, toxic if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Epichlorohydrin?

Epichlorohydrin is usually classified under HS code 291030 (1-Chloro-2,3-epoxypropane (epichlorohydrin)). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Epichlorohydrin?

CompoundList lists 123 suppliers of Epichlorohydrin in China, United States, India, Canada and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Epichlorohydrin in India?

11 suppliers in India list Epichlorohydrin on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Epichlorohydrin?

Suppliers quote Epichlorohydrin 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 Epichlorohydrin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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