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Substance Name: Methylal
RN: 109-87-5
UNII: 7H1M4G2NUE
InChIKey: NKDDWNXOKDWJAK-UHFFFAOYSA-N

Molecular Formula

  • C3-H8-O2

Molecular Weight

  • 76.0942
 

Classification Codes

Classification Code

  • Skin / Eye Irritant

Superlist Classification Codes

  • TWA (1000 ppm)
  • TWA 1000 ppm (3100 mg/m3)
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Names and Synonyms

Name of Substance

  • Dimethoxymethane
  • Formal
  • Methane, dimethoxy-
  • Methylal
  • Methylene dimethyl ether

Synonyms

  • 2,4-Dioxapentane
  • AI3-16096
  • Anesthenyl
  • Bis(methoxy)methane
  • CCRIS 9397
  • Dimethoxymethane
  • Dimethyl formal
  • EC 203-714-2
  • EINECS 203-714-2
  • Formal
  • Formaldehyde dimethyl acetal
  • Formaldehyde dimethylacetal
  • Formaldehyde methyl ketal
  • HSDB 1820
  • Methane, dimethoxy-
  • Methoxymethyl methyl ether
  • Methylene dimethyl ether
  • Metylal
  • Metylal [Polish]
  • UNII-7H1M4G2NUE

Systematic Names

  • Dimethoxymethane
  • Methane, dimethoxy-

Superlist Names

  • Dimethoxymethane
  • Methane, dimethoxy-
  • Methylal
  • Methylal [UN1234] [Flammable liquid]
  • UN1234

Registry Numbers

CAS Registry Number

  • 109-87-5

FDA UNII

  • 7H1M4G2NUE

System Generated Number

  • 0000109875

Structure Descriptors

InChI

1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3

InChIKey

NKDDWNXOKDWJAK-UHFFFAOYSA-N

Smiles

C(OC)OC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 57gm/m3/7H (57000mg/m3)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 259, 1986.
rabbit LD skin > 16mL/kg (16mL/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

SENSE ORGANS AND SPECIAL SENSES: IRITIS: EYE

LIVER: OTHER CHANGES
National Technical Information Service. Vol. OTS0536049,
rabbit LD50 oral 5708mg/kg (5708mg/kg)   Proceedings of the Society for Experimental Biology and Medicine. Vol. 29, Pg. 730, 1932.
rat LC50 inhalation 15000ppm (15000ppm)   Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 73, 1974.
rat LDLo intraperitoneal 5gm/kg (5000mg/kg)   National Technical Information Service. Vol. OTS0524346,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.05E+02 deg C   EXP
Boiling Point 42 deg C   EXP
log P (octanol-water) 0.0 (none)   EXP
Water Solubility 2.44E+05 mg/L 16 EXP
Vapor Pressure 398 mm Hg 25 EXP
Henry's Law Constant 1.73E-04 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 4.90E-12 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.