Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content

Registry of Toxic Effects of Chemical Substances (RTECS)

1,3-Indandione, 2,2-dihydroxy-

RTECS #

NK5425000

CAS #

485-47-2

Updated

January 1997

Molecular Weight

178.15

Molecular Formula

C9H6O4

Synonyms

1,2,3-Indantrione monohydrate
1,2,3-Indantrione, 2-hydrate
2,2-Dihydroxy-1,3-indandione
2,2-Dihydroxy-1H-indene-1,3(2H)-dione
Ninhydrin
Ninhydrin hydrate
Triketohydrindene hydrate

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
intraperitoneal/mouse lethal dose (50 percent kill): 78 mg/kgBehavioral: Somnolence (general depressed activity)

Vascular: Regional or general arteriolar or venous dilation

Lung, Thorax, or Respiration: Dyspnea
CRSBAW 151,719,1957
oral/rat lowest published lethal dose: 250 mg/kgNCNSA6 5,28,1953

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code A1175; Number of Industries 4; Total Number of Facilities 476; Number of Occupations 9; Total Number of Employees Exposed 5565; Total Number of Female Employees Exposed 4002
National Occupational Hazard Survey 1974Hazard Code A1175; Number of Industries 1; Total Number of Facilities 33; Number of Occupations 2; Total Number of Employees Exposed 594

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
TOP