Product Name

  • Name

    ACETYLENEDICARBOXAMIDE

  • EINECS
  • CAS No. 543-21-5
  • Article Data9
  • CAS DataBase
  • Density 1.41g/cm3
  • Solubility
  • Melting Point 179 °C
  • Formula C4H4 N2 O2
  • Boiling Point 294°Cat760mmHg
  • Molecular Weight 112.088
  • Flash Point 131.6°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion and intravenous routes. Moderately toxic by skin contact. When heated to decomposition it emits toxic fumes of NOx. See also ACETYLENE COMPOUNDS and ALKYNES.
  • Risk Codes R25; R21
  • Molecular Structure Molecular Structure of 543-21-5 (ACETYLENEDICARBOXAMIDE)
  • Hazard Symbols
  • Synonyms Acetylenedicarboxamide(6CI,7CI,8CI); Acetylene diamide; Acetylenedicarboxylic acid diamide;Aquamycin; Cellocidin; Lenamycin; NSC 38643; NSC 65381
  • PSA 86.18000
  • LogP -0.63900

Acetylenedicarboxamide Chemical Properties


IUPAC Name: but-2-ynediamide 
Molecular Weight: 112.08676 g/mol
Molecular Formula: C4H4N2O2
Density: 1.41 g/cm3
Melting Point: 179 °C
Boiling Point: 294 °C at 760 mmHg
Flash Point: 131.6 °C
Appreance: cream to beige fine crystalline powder   
Molar Volume: 79.4 cm3
Polarizability: 10.19*10-24 cm3
Surface Tension: 79.9 dyne/cm 
Enthalpy of Vaporization: 53.36 kJ/mol
Vapour Pressure: 0.00167 mmHg at 25 °C
XLogP3-AA: -1.2
H-Bond Donor: 2
H-Bond Acceptor: 2
Tautomer Count: 3
Exact Mass: 112.027277
MonoIsotopic Mass: 112.027277
Topological Polar Surface Area: 86.2
Heavy Atom Count: 8
Complexity: 165
Canonical SMILES: C(#CC(=O)N)C(=O)N
InChI: InChI=1S/C4H4N2O2/c5-3(7)1-2-4(6)8/h(H2,5,7)(H2,6,8)
InChIKey: JBTGHKUTYAMZEZ-UHFFFAOYSA-N
EINECS: 200-816-9

Acetylenedicarboxamide Toxicity Data With Reference

1.    

orl-mus LD50:89,200 µg/kg

     JPIFAN    Japan Pesticide Information.(1),(1969),15.
2.    

skn-mus LD50:667 mg/kg

     JPIFAN    Japan Pesticide Information.(1),(1969),15.
3.    

ivn-mus LD50:11 mg/kg

     JAJAAA    Journal of Antibiotics, Series A. 11 (1958),81.

Acetylenedicarboxamide Consensus Reports

Reported in EPA TSCA Inventory.

Acetylenedicarboxamide Safety Profile

Poison by ingestion and intravenous routes. Moderately toxic by skin contact. When heated to decomposition it emits toxic fumes of NOx. See also ACETYLENE COMPOUNDS and ALKYNES.
Hazard Codes: ToxicT
Risk Statements: 25-21
R25: Toxic if swallowed
R21: Harmful in contact with skin
Safety Statements: 45-36
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible)
S36: Wear suitable protective clothing

Acetylenedicarboxamide Specification

 Acetylenedicarboxamide (CAS NO.543-21-5) is also called Acetylendicarbonsaeureamid ; Acetylenedicarboxylic acid diamide ; Acetylenedicarboxylicaciddiamide ; Aquamycin ; Lenamycin ; Renamycin ; 2-Butynediamide . Acetylenedicarboxamide (CAS NO.543-21-5) is high toxic. It is flammable. It will produce toxic nitrogen oxide fumes when buring. So the storage environment should be ventilate, low-temperature and dry. Keep Acetylenedicarboxamide (CAS NO.543-21-5) separate from raw materials of food.

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