Copper(I) acetylide

Copper(I) acetylide
Names
IUPAC name
Dicuprous acetylide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C2.2Cu/c1-2;;/q-2;2*+1 ☒N
    Key: SQDLRJMJSRRYGA-UHFFFAOYSA-N ☒N
  • InChI=1/C2.2Cu/c1-2;;/q-2;2*+1
    Key: SQDLRJMJSRRYGA-UHFFFAOYAK
  • [C-]#[C-].[Cu+].[Cu+]
Properties
C2Cu2
Molar mass 151.114 g·mol−1
Appearance red-brown powder
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 explosive
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 1 mg/m3 (as Cu)[1]
REL (Recommended)
 TWA 1 mg/m3 (as Cu)[1]
IDLH (Immediate danger)
 TWA 100 mg/m3 (as Cu)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Copper(I) acetylide, Kupfercarbid or cuprous acetylide, is a chemical compound with the formula Cu2C2. Although never characterized by X-ray crystallography, the material has been claimed at least since 1856.[2] One form is claimed to be a monohydrate with formula Cu
2C
2.H
2O is a reddish-brown explosive powder.

  1. ^ a b c NIOSH Pocket Guide to Chemical Hazards. "#0150". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ Cite error: The named reference cataldo was invoked but never defined (see the help page).