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1-chloro-2-methylprop-1-ene

Also known as: 1-Chloro-2-methylpropene, Isocrotyl chloride, 2,2-Dimethylvinyl chloride, 2-Methyl-1-chloroprop-1-ene, 1-Chloroisobutylene, Dimethylvinyl chloride, alpha-Chloroisobutylene, 1-Chloro-2-methyl-1-propene

1-chloro-2-methylprop-1-ene (CAS 513-37-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H7Cl and a molecular weight of 90.55140 g/mol. Key properties include a melting point of -96°C (estimate), a boiling point of 68.1ºC at 760mmHg, a density of 0.911g/cm3 and a flash point of -1.1 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H311 — Toxic in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
513-37-1
Jingsj CID
J-9995-2
Molecular Formula
C4H7Cl
Molecular Weight
90.55140 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Melting Point-96°C (estimate)
Boiling Point68.1ºC at 760mmHg
Density0.911g/cm3
Flash Point-1.1 °C
Exact Mass90.02360
LogP2.14890
Refractive Indexn20/D 1.424(lit.)

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H330 — Fatal if inhaled
  • H335 — May cause respiratory irritation
  • H350 — May cause cancer

Customs & Trade Information

HS Code2903299090
Summary2903299090 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-chloro-2-methylprop-1-ene?

The CAS number of 1-chloro-2-methylprop-1-ene is 513-37-1.

What are the molecular formula and molecular weight of 1-chloro-2-methylprop-1-ene?

1-chloro-2-methylprop-1-ene has molecular formula C4H7Cl and molecular weight 90.55140 g/mol.

Is 1-chloro-2-methylprop-1-ene hazardous?

1-chloro-2-methylprop-1-ene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H311 — Toxic in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 1-chloro-2-methylprop-1-ene?

For 1-chloro-2-methylprop-1-ene, Upstream Products: Isobutyryl chloride, 3-Chloro-2-methyl-1-propene, tert-Butyl hypochlorite; Downstream Products: Cyclohexanol, 1-butyl-, 3-Methyl-2-butenenitrile, But-2-yne.

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

Last updated:

How to cite: Jingsj. "1-chloro-2-methylprop-1-ene (CAS 513-37-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9995-2 (accessed 2026-11-07).

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