Product Name

  • Name

    dimethyl-1,4-dioxane

  • EINECS
  • CAS No. 25136-55-4
  • Density 0.903g/cm3
  • Solubility
  • Melting Point
  • Formula C6H12 O2
  • Boiling Point 134.4°Cat760mmHg
  • Molecular Weight 116.18
  • Flash Point 34.8°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by ingestion. Mildly toxic by inhalation. Experimental reproductive effects. A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 25136-55-4 (dimethyl-1,4-dioxane)
  • Hazard Symbols Flammable, dangerous fire risk.
  • Synonyms p-Dioxane,dimethyl- (6CI,7CI,8CI); Dimethyl-1,4-dioxane; Dimethyldioxane
  • PSA 18.46000
  • LogP 0.81180

Dimethyldioxane Chemical Properties

Empirical Formula: C6H12O2
Molecular Weight: 116.1583 g/mol
EINECS: 246-646-9 
Index of Refraction: 1.398
Density: 0.903 g/cm3
Flash Point: 34.8 °C
Enthalpy of Vaporization: 35.65 kJ/mol
Boiling Point: 134.4 °C at 760 mmHg
Vapour Pressure: 10 mmHg at 25 °C
Structure of Dimethyldioxane (CAS NO.25136-55-4):
             
IUPAC Name of Dimethyldioxane (CAS NO.25136-55-4): 2,5-Dimethyl-1,4-dioxane
Canonical SMILES: CC1COC(CO1)C
InChI: InChI=1S/C6H12O2/c1-5-3-8-6(2)4-7-5/h5-6H,3-4H2,1-2H3
InChIKey: AWBIJARKDOFDAN-UHFFFAOYSA-N

Dimethyldioxane Toxicity Data With Reference

1.    

skn-rbt 10 mg/24H open

     JIHTAB    Journal of Industrial Hygiene and Toxicology. 30 (1948),63.
2.    

eye-rbt 20 mg/24H MOD

     85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,811.
3.    

orl-rat LD50:3000 mg/kg

     JIHTAB    Journal of Industrial Hygiene and Toxicology. 30 (1948),63.
4.    

ihl-rat LCLo:8000 ppm/4H

     JIHTAB    Journal of Industrial Hygiene and Toxicology. 30 (1948),63.

Dimethyldioxane Safety Profile

Moderately toxic by ingestion. Mildly toxic by inhalation. Experimental reproductive effects. A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

Dimethyldioxane Specification

 Dimethyldioxane ,its cas register number is 25136-55-4. It also can be called Dimethyl-1,4-dioxane ; p-Dioxane, dimethyl- ;and 1,4-Dioxane, dimethyl-Dimethyl-1,4-dioxane . Dimethyldioxane (CAS NO.25136-55-4) only can be used if position of methyl group unspecified. It forms salts with strong acids and addition complexes with Lewis acids, and will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks).

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