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1,4-Dichloro-2-butyne

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1,4-Dichloro-2-butyne molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of 1,4-Dichloro-2-butyne (CAS 821-10-3). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS821-10-3
Molecular formulaC4H4Cl2
Molecular weight122.98 g/mol
IUPAC name1,4-dichlorobut-2-yne
Synonyms2-Butyne, 1,4-dichloro- · 4-01-00-00973 (Beilstein Handbook Reference) · 1,4Dichlorobutyne · 1,4Dichlorobut2yne · RefChem:73228 · RCHDLEVSZBOHOS-UHFFFAOYSA-N
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 1,4-DICHLORO-2-BUTYNE, 99% D59607-100G
D59607-25G
D59607-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.