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Substance Name: Acetic anhydride
RN: 108-24-7
UNII: 2E48G1QI9Q
InChIKey: WFDIJRYMOXRFFG-UHFFFAOYSA-N

Molecular Formula

  • C4-H6-O3

Molecular Weight

  • 102.088
 

Classification Codes

Classification Code

  • Skin / Eye Irritant

Superlist Classification Codes

  • Reportable Quantity (RQ) = 5000 lb
  • TWA (5 ppm)
  • TWA 5 ppm (20 mg/m3)

Names and Synonyms

Name of Substance

  • Acetic anhydride

Synonyms

  • 4-02-00-00386 (Beilstein Handbook Reference)
  • Acetanhydride
  • Acetic acid, anhydride
  • Acetic anhydride
  • Acetic oxide
  • Acetyl acetate
  • Acetyl anhydride
  • Acetyl ether
  • Acetyl oxide
  • Anhydrid kyseliny octove
  • Anhydrid kyseliny octove [Czech]
  • Anhydride acetique
  • Anhydride acetique [French]
  • Anidride acetica
  • Anidride acetica [Italian]
  • Azijnzuuranhydride
  • Azijnzuuranhydride [Dutch]
  • BRN 0385737
  • Caswell No. 003A
  • CCRIS 688
  • EC 203-564-8
  • EINECS 203-564-8
  • EPA Pesticide Chemical Code 044007
  • Essigsaeureanhydrid
  • Essigsaeureanhydrid [German]
  • Ethanoic anhydride
  • HSDB 233
  • Octowy bezwodnik
  • Octowy bezwodnik [Polish]
  • UNII-2E48G1QI9Q

Systematic Names

  • Acetic acid, 1,1'-anhydride
  • Acetic acid, anhydride
  • Acetic anhydride

Superlist Names

  • Acetic acid, anhydride
  • Acetic anhydride
  • Acetic anhydride [UN1715] [Corrosive]
  • UN1715

Registry Numbers

CAS Registry Number

  • 108-24-7

FDA UNII

  • 2E48G1QI9Q

System Generated Number

  • 0000108247

Structure Descriptors

InChI

1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3

InChIKey

WFDIJRYMOXRFFG-UHFFFAOYSA-N

Smiles

C(OC(=O)C)(C)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 4mL/kg (4mL/kg)   Union Carbide Data Sheet. Vol. 8/7/1963,
rat LC50 inhalation 1000ppm/4H (1000ppm)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 607, 1969.
rat LD50 oral 1780mg/kg (1780mg/kg)   AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 4, Pg. 119, 1951.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -7.30E+01 deg C   EXP
Boiling Point 139.5 deg C   EXP
log P (octanol-water) -0.580 (none)   EST
Water Solubility 1.20E+05 mg/L 20 EXP
Vapor Pressure 5.1 mm Hg 25 EXP
Henry's Law Constant 5.71E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.43E-14 cm3/molecule-sec 25 EST

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