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(R)-(-)-Epichlorohydrin

Also known as: (R)-Epichlorohydrin, (R)-3-Chloro-1,2-epoxypropane, (R)-1-Chloro-2,3-epoxypropane, (R)-(-)-2-(Chloromethyl)oxirane, (R)-(-)-Chloromethyloxirane, (R)-Chloromethyloxirane, (-)-Epichlorohydrin, (2R)-2-(Chloromethyl)oxirane, 2-(Chloromethyl)oxirane, R(-)-2-(CHLOROMETHYL)OXIRANE

(R)-(-)-Epichlorohydrin (CAS 51594-55-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C3H5ClO and a molecular weight of 92.524 g/mol. Key properties include a melting point of -48ºC, a boiling point of 116.1±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 33.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51594-55-9
Jingsj CID
J-21645-8
Molecular Formula
C3H5ClO
Molecular Weight
92.524 g/mol
Category
Ethers
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-48ºC
Boiling Point116.1±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point33.9±0.0 °C
Exact Mass92.002892
PSA12.53000
LogP0.45
Vapor Pressure22.0±0.2 mmHg at 25°C
Refractive Index1.444

GHS Safety & Compliance

Flammable / Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction
  • H331 — Toxic if inhaled
  • H350 — May cause cancer

Customs & Trade Information

HS Code2910900090
Summary2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (R)-(-)-Epichlorohydrin?

The CAS number of (R)-(-)-Epichlorohydrin is 51594-55-9.

What are the molecular formula and molecular weight of (R)-(-)-Epichlorohydrin?

(R)-(-)-Epichlorohydrin has molecular formula C3H5ClO and molecular weight 92.524 g/mol.

Is (R)-(-)-Epichlorohydrin hazardous?

(R)-(-)-Epichlorohydrin has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of (R)-(-)-Epichlorohydrin?

For (R)-(-)-Epichlorohydrin, Upstream Products: Epichlorohydrin, 1,3-Dichloro-2-propanol, (S)-Glycidyl tosylate; Downstream Products: (2R)-2-[(4-fluorophenoxy)methyl]oxirane, (R)-(-)-3-Chloro-1,2-propanediol, (R)-(+)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane.

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

Last updated:

How to cite: Jingsj. "(R)-(-)-Epichlorohydrin (CAS 51594-55-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21645-8 (accessed 2026-11-06).

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