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Substance Name: Pyromellitic dianhydride
RN: 89-32-7
UNII: 2Z22T30QZQ
InChIKey: ANSXAPJVJOKRDJ-UHFFFAOYSA-N

Classification Code

  • TSCA Flag T (Subject to the Final TSCA Section 4 Test Rule)

Molecular Formula

  • C10-H2-O6

Molecular Weight

  • 218.12
 
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Names and Synonyms

Name of Substance

  • Pyromellitic dianhydride

Synonyms

  • 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride
  • 1,2,4,5-Benzenetetracarboxylic anhydride
  • 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone
  • Benzene-1,2,4,5-tetracarboxylic dianhydride
  • EINECS 201-898-9
  • HSDB 6950
  • NSC 4798
  • PMDA
  • Pyromellitic 1,2:4,5-dianhydride (6CI)
  • Pyromellitic acid anhydride
  • Pyromellitic acid dianhydride
  • Pyromellitic anhydride
  • Pyromellitic dianhydride
  • UNII-2Z22T30QZQ

Systematic Names

  • 1,2,4,5 Benzenetetracarboxylic 1,2:4,5 dianhydride
  • 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride (8CI)
  • 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone
  • Benzene-1,2:4,5-tetracarboxylic dianhydride

Superlist Name

  • 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone

Registry Numbers

CAS Registry Number

  • 89-32-7

FDA UNII

  • 2Z22T30QZQ

Other Registry Numbers

  • 159104-96-8
  • 7623-29-2

System Generated Number

  • 0000089327

Structure Descriptors

InChI

1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H

InChIKey

ANSXAPJVJOKRDJ-UHFFFAOYSA-N

Smiles

c12c(c(=O)oc1=O)cc1c(=O)oc(c1c2)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 1595mg/kg (1595mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: EXCITEMENT

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(11), Pg. 79, 1986.
mouse LD50 oral 2400mg/kg (2400mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 14, Pg. 125, 1975.
rat LCLo inhalation 150mg/m3/4H (150mg/m3)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 105, 1982.
rat LD50 oral 2250mg/kg (2250mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(11), Pg. 79, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 152.5 deg C   EXP
log P (octanol-water) 2.140 (none)   EST
Water Solubility 59.7 mg/L 25 EST
Vapor Pressure 1.47E-05 mm Hg 25 EST
Henry's Law Constant 7.47E-09 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.88E-13 cm3/molecule-sec 25 EST

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