1,3-Dichloropropene

Also known as: (1Ξ)-1,3-dichloroprop-1-ene, 1,3-D, 1,3-DICHLOROPROPENE, 1,3-Dichloro-1-propene, 1,3-Dichloroprop-1-ene, 3-CHLOROALLYL CHLORIDE, A-CHLOROALLYL CHLORIDE, Anema, D-D, D-D mixture, D-D92, DICHLOROPROPYLENE, Dedisol, Dichloropropene,Dichloropropane, E/Z-1,3-Dichloropropene, G2U1G, NEMATOX, Nemex, TELONE, cis/trans-1,3-Dichloropropene

1,3-Dichloropropene (CAS 542-75-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H4Cl2 and a molecular weight of 110.970 g/mol. Key properties include a melting point of -60 °C, a boiling point of 108.4±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 27.8±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 H304. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 542-75-6
Jingsj CID: J-35922-1
Molecular Formula: C₃H₄Cl₂
Molecular Weight: 110.970 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-60 °C
Boiling Point	108.4±15.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	27.8±0.0 °C
Exact Mass	109.969009
LogP	2.01
Vapor Pressure	30.4±0.2 mmHg at 25°C
Refractive Index	1.457
Additional Property	<0.01 g/100 mL at 16.5 ºC

GHS Safety & Compliance

Flammable / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

H226 — Flammable liquid and vapour
H301 — Toxic if swallowed
H304
H311 — Toxic in contact with skin
H315 — Causes skin irritation
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation
H332 — Harmful if inhaled
H335 — May cause respiratory irritation
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2903299090
Summary	2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,3-Dichloropropene?

The CAS number of 1,3-Dichloropropene is 542-75-6.

What are the molecular formula and molecular weight of 1,3-Dichloropropene?

1,3-Dichloropropene has molecular formula C3H4Cl2 and molecular weight 110.970 g/mol.

Is 1,3-Dichloropropene hazardous?

1,3-Dichloropropene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H304.

What are the upstream and downstream products of 1,3-Dichloropropene?

For 1,3-Dichloropropene, Upstream Products: 1,3-Dichloro-2-propanol, Chloromethane, 1,2-dichloroethylene; Downstream Products: Allene, 1,1,2,3-tetrachloropropane, Triallyl isocyanurate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,3-Dichloropropene (CAS 542-75-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35922-1 (accessed 2026-11-07).

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