Product Name

  • Name

    1,1-dimethoxybut-2-ene

  • EINECS
  • CAS No. 21962-24-3
  • Article Data10
  • CAS DataBase
  • Density 0.864g/cm3
  • Solubility
  • Melting Point
  • Formula C6H12 O2
  • Boiling Point 114.6°Cat760mmHg
  • Molecular Weight 116.16
  • Flash Point 12.1°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic inhalation. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 21962-24-3 (1,1-dimethoxybut-2-ene)
  • Hazard Symbols
  • Synonyms Crotonaldehyde,dimethyl acetal (6CI,7CI,8CI); 1,1-Dimethoxy-2-butene; 2-Butenal dimethylacetal
  • PSA 18.46000
  • LogP 1.18140

Propylene formal Chemical Properties

Product Name: Propylene formal (CAS NO.21962-24-3)


Molecular Formula: C6H12O2
Molecular Weight: 116.15828g/mol
Mol File: 21962-24-3.mol
Einecs: 244-683-5
Boiling point: 114.6 °C at 760 mmHg
Flash Point: 12.1 °C
Density: 0.864 g/cm3
Surface Tension: 23.2 dyne/cm
Enthalpy of Vaporization: 33.84 kJ/mol
Vapour Pressure: 23.4 mmHg at 25°C
XLogP3-AA: 0.9
H-Bond Donor: 0
H-Bond Acceptor: 2
Structure Descriptors of Propylene formal (CAS NO.21962-24-3):
  IUPAC Name: (E)-1,1-dimethoxybut-2-ene
  Canonical SMILES: CC=CC(OC)OC
  Isomeric SMILES: C/C=C/C(OC)OC
  InChI: InChI=1S/C6H12O2/c1-4-5-6(7-2)8-3/h4-6H,1-3H3/b5-4+ 
  InChIKey: NOYRGONWBIVLEL-SNAWJCMRSA-N

Propylene formal Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LC50 inhalation 400ppm/4H (400ppm) BEHAVIORAL: GENERAL ANESTHETIC AMA Archives of Industrial Health. Vol. 12, Pg. 623, 1955.

Propylene formal Consensus Reports

Reported in EPA TSCA Inventory.

Propylene formal Safety Profile

Moderately toxic inhalation. When heated to decomposition it emits acrid smoke and irritating fumes.

Propylene formal Specification

 Propylene formal ,its CAS NO. is 21962-24-3,the synonyms is 2-Butenal dimethyl acetal ; 3-01-00-02979 (Beilstein Handbook Reference) ; BRN 1720659 ; Crotonaldehyde dimethyl acetal ; EINECS 244-683-5 ; 1,1-Dimethoxybut-2-ene ; 2-Butene, 1,1-dimethoxy- ; Crotonaldehyde, dimethyl acetal (6CI,7CI,8CI) .

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