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Substance Name: Methyltetrahydrophthalic anhydride
RN: 26590-20-5
InChIKey: SOOZEQGBHHIHEF-UHFFFAOYSA-N

Note

  • Induces experimental asthma in immunized guinea pigs; used as a hardener in an epoxy resin system.

Molecular Formula

  • C9-H10-O3

Molecular Weight

  • 166.175
 
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Names and Synonyms

Name of Substance

  • Methyltetrahydrophthalic anhydride

Synonyms

  • 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-
  • AC 220J
  • EINECS 247-830-1
  • Lindride
  • Methyl tetrahydrophthalic anhydride
  • Methyltetrahydrophthalic anhydride

Systematic Names

  • 1,2,3,6-Tetrahydromethylphthalic anhydride
  • 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-
  • Phthalic anhydride, methyltetrahydro-

Registry Numbers

CAS Registry Number

  • 26590-20-5

Other Registry Numbers

  • 106043-39-4
  • 107845-04-5
  • 111366-44-0
  • 118772-35-3
  • 126968-21-6
  • 1291057-60-7
  • 1383442-73-6
  • 162355-24-0
  • 162774-69-8
  • 179607-42-2
  • 243130-22-5
  • 39363-65-0
  • 39475-52-0
  • 78214-29-6
  • 79217-82-6
  • 83712-43-0
  • 851379-03-8
  • 923924-50-9

System Generated Number

  • 0026590205

Structure Descriptors

InChI

1S/C9H10O3/c1-9-5-3-2-4-6(9)7(10)12-8(9)11/h2-3,6H,4-5H2,1H3

InChIKey

SOOZEQGBHHIHEF-UHFFFAOYSA-N

Smiles

C1(OC([C@@]2(CC=CC[C@@H]12)C)=O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 1410uL/kg (1.41mL/kg)   American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.
rat LD50 oral 2140uL/kg (2.14mL/kg)   American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.