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Registry of Toxic Effects of Chemical Substances (RTECS)

Naphthalene, 1,2,3,4-tetrahydro-

RTECS #

QK3850000

CAS #

119-64-2

Updated

November 2009

Molecular Weight

132.22

Molecular Formula

C10H12

Synonyms

1,2,3,4-Tetrahydronaphthalene
Delta(sup 5,7,9)-naphthantriene
Naphthalene 1,2,3,4-tetrahydride
Tetrahydronaphthalene
Tetralin
Tetralina (Polish)
Tetraline
Tetranap

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
skin /human 2.5%/24HJIDEAE 24,303,1991
skin /rabbit 500 mg open irritation test severeUCDS** 1/12/1972

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/guinea pig lethal concentration (50 percent kill): 275 ppm85JCAE -,47,1986
inhalation/human lowest published toxic concentration: 1 gm/m3/1MLung, Thorax, or Respiration: CoughVCVGH* -,229,1990
oral/rat lethal dose (50 percent kill): 1620 µL/kgUCDS** 1/12/1972
skin/rabbit lethal dose (50 percent kill): 17300 µL/kgUCDS** 1/12/1972

Reviews

OrganizationStandardReference
TOXICOLOGY REVIEWFCTOD7 47,1287,2009

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-POLANDMAC(time-weighted average) 100 mg/m3, MAC(short term exposure limit) 300 mg/m3, JAN1999
Occupational Exposure Limit-RUSSIAshort term exposure limit 100 mg/m3, JUN2003

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 84671; Number of Industries 2; Total Number of Facilities 117; Number of Occupations 3; Total Number of Employees Exposed 504; Total Number of Female Employees Exposed 146
National Occupational Hazard Survey 1974Hazard Code 84671; Number of Industries 11; Total Number of Facilities 622; Number of Occupations 13; Total Number of Employees Exposed 2237

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NTP Carcinogenesis studies; test completed (peer review), October 2000
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