Skip to main content

Heptachlor endo-epoxide

Also known as: trans-Heptachlor epoxide, Heptachlor-endo-epoxide (trans-, isomer A), (+/-)-trans-Heptachlorepoxid, (1S,2R,3R,5R,6R,7S,8R)-1,6,8,9,10,11,11-Heptachloro-4-oxatetracyclo[6.2.1.0.0]undec-9-ene, 2,5-METHANO-2H-INDENO[1,2-B]OXIRENE,2,3,4,5,6,7,7-HEPTACHLORO-1A,1B,5,5A,6,6A-HEXAHYDRO-,(1AR,1BR,2S,5R,5AS,6R,6AR)-REL-, MFCD00872082

Heptachlor endo-epoxide (CAS 28044-83-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H5Cl7O and a molecular weight of 389.317 g/mol. Key properties include a melting point of 160°C (lit.), a boiling point of 425.5±45.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 162.2±28.8 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly 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.
28044-83-9
Jingsj CID
J-1364150-0
Molecular Formula
C10H5Cl7O
Molecular Weight
389.317 g/mol
Category
Ethers
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point160°C (lit.)
Boiling Point425.5±45.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point162.2±28.8 °C
Exact Mass385.816010
PSA12.53000
LogP5.47
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.662
Storage Conditions2-8℃

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H370 — Causes damage to organs

Frequently Asked Questions

What is the CAS number of Heptachlor endo-epoxide?

The CAS number of Heptachlor endo-epoxide is 28044-83-9.

What are the molecular formula and molecular weight of Heptachlor endo-epoxide?

Heptachlor endo-epoxide has molecular formula C10H5Cl7O and molecular weight 389.317 g/mol.

Is Heptachlor endo-epoxide hazardous?

Heptachlor endo-epoxide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

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

Last updated:

How to cite: Jingsj. "Heptachlor endo-epoxide (CAS 28044-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1364150-0 (accessed 2026-11-07).

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