Indene
RTECS #
NK8225000
CAS #
Updated
September 2013
Molecular Weight
116.17
Molecular Formula
C9H8
Synonyms
1H-Indene
Inden
Indene (ACGIH:OSHA)
Indonaphthene
Inden
Indene (ACGIH:OSHA)
Indonaphthene
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/rat | lethal concentration (50 percent kill): 14 gm/m3 | GISAAA 41(4),104,1976 | |
| inhalation/rat | lethal concentration (50 percent kill): 14000 mg/m3/4H | VCVGH* -,218,1990 | |
| oral/mammal (species unspecified) | lethal dose (50 percent kill): >5 gm/kg | GISAAA 39(4),86,1974 | |
| unreported route/mouse | lethal dose (50 percent kill): 1800 mg/kg | VCVGH* -,218,1990 | |
| unreported route/rat | lethal dose (50 percent kill): 2300 mg/kg | VCVGH* -,218,1990 |
Other Multiple Dose Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/rat | lowest published toxic concentration: 3 mg/m3/24H/15W- continuous | Kidney, Ureter, and Bladder: Other changes in urine composition Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Catalases | GISAAA 41(4),104,1976 |
Reviews
| Organization | Standard | Reference |
|---|---|---|
| American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-time-weighted average 5 ppm | DTLVS* TLV/BEI,2013 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Mine Safety and Health Administration (MSHA) STANDARD-air | time-weighted average 10 ppm (45 mg/m3) | DTLVS* 3,134,1971 |
| Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
| Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
| Occupational Exposure Limit-AUSTRALIA | time-weighted average 10 ppm (48 mg/m3), JUL2008 | |
| Occupational Exposure Limit-AUSTRIA | MAK-TMW 10 ppm (45 mg/m3);KZW 20 ppm (90 mg/m3), 2007 | |
| Occupational Exposure Limit-BELGIUM | time-weighted average 10 ppm (49 mg/m3), MAR2002 | |
| Occupational Exposure Limit-DENMARK | time-weighted average 10 ppm (45 mg/m3), MAY2011 | |
| Occupational Exposure Limit-FINLAND | time-weighted average 10 ppm (48 mg/m3), short term exposure limit 20 ppm (96 mg/m3), NOV2011 | |
| Occupational Exposure Limit-FRANCE | VME 10 ppm (45 mg/m3), FEB2006 | |
| Occupational Exposure Limit-ICELAND | time-weighted average 10 ppm (45 mg/m3), NOV2011 | |
| Occupational Exposure Limit-KOREA | time-weighted average 10 ppm (45 mg/m3), 2006 | |
| Occupational Exposure Limit-MEXICO | time-weighted average 10 ppm (45 mg/m3);short term exposure limit 15 ppm (70 mg/m3), 2004 | |
| Occupational Exposure Limit-NEW ZEALAND | time-weighted average 10 ppm (48 mg/m3), JAN2002 | |
| Occupational Exposure Limit-NORWAY | time-weighted average 10 ppm (45 mg/m3), JAN1999 | |
| Occupational Exposure Limit-PERU | time-weighted average 10 ppm (48 mg/m3), JUL2005 | |
| Occupational Exposure Limit-SWITZERLAND | MAK-week 10 ppm (45 mg/m3), JAN2011 | |
| Occupational Exposure Limit-THE NETHERLANDS | MAC-TGG 45 mg/m3, 2003 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 10 ppm (48 mg/m3);short term exposure limit 15 ppm (72 mg/m3), OCT2007 | |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 10 ppm (45 mg/m3) | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 10 ppm (45 mg/m3) | CFRGBR 29,1915.1000,1993 |
NIOSH Documentation and Surveillance
| Organization | Standard | Reference |
|---|---|---|
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO INDENE-air | 10H time-weighted average 10 ppm | NIOSH* DHHS #92-100,1992 |
| National Occupational Exposure Survey 1983 | Hazard Code 39820; Number of Industries 1; Total Number of Facilities 31; Number of Occupations 1; Total Number of Employees Exposed 753; Total Number of Female Employees Exposed 376 | |
| National Occupational Hazard Survey 1974 | Hazard Code 39820; Number of Industries 24; Total Number of Facilities 3158; Number of Occupations 42; Total Number of Employees Exposed 61824 |
Status in Federal Agencies
| Organization | Reference |
|---|---|
| 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 |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health