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Registry of Toxic Effects of Chemical Substances (RTECS)

Acetic acid, 2-pentyl ester

RTECS #

AJ2100000

CAS #

626-38-0

Updated

September 2013

Molecular Weight

130.21

Molecular Formula

C7H14O2

Synonyms

1-Methylbutyl acetate
2-Acetoxypentane
2-Amylester kyseliny octove (Czech)
2-Pentanol, acetate (8CI,9CI)
2-Pentyl acetate
sec-Amyl acetate (ACGIH:OSHA)
sek.Amylester kyseliny octove (Czech)

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/guinea pig Lowest published lethal concentration: 10000 ppm/5HOlfaction: Other olfaction effects

Eye: Lacrimation

Behavioral: Somnolence (general depressed activity)
PHRPA6 51,811,1936
inhalation/human lowest published toxic concentration: 200 ppmOlfaction: Other olfaction effects

Eye: Conjunctiva irritation

Lung, Thorax, or Respiration: Other changes
JIHTAB 25,282,1943

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 50 ppm;short term exposure limit 100 ppmDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 125 ppm (650 mg/m3)DTLVS* 3,13,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 50 ppm (270 mg/m3), short term exposure limit 100 ppm (541 mg/m3), JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 50 ppm (270 mg/m3), short term exposure limit 100 ppm(540 mg/m3), MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 50 ppm (266 mg/m3), MAY2011
Occupational Exposure Limit-ECtime-weighted average 270 mg/m3 (50 ppm);short term exposure limit 540 mg/m3 (100 ppm), JUN2000
Occupational Exposure Limit-FRANCEVME 50 ppm (270 mg/m3), VLE 100 ppm (540), FEB2006
Occupational Exposure Limit-GERMANYMAK 50 ppm (270 mg/m3), 2011
Occupational Exposure Limit-HUNGARYtime-weighted average 270 mg/m3, short term exposure limit 540 mg/m3, SEP2000
Occupational Exposure Limit-ICELANDtime-weighted average 50 ppm (270 mg/m3), short term exposure limit 100 ppm (540 mg/m3), NOV2011
Occupational Exposure Limit-JAPANOccupational Exposure Limit 50 ppm (266.3 mg/m3), ceiling concentration 100 ppm (532.5 mg/m3), MAY2012
Occupational Exposure Limit-KOREAtime-weighted average 125 ppm (665 mg/m3), 2006
Occupational Exposure Limit-MEXICOtime-weighted average 125 ppm (670 mL/m3);short term exposure limit 150 ppm (800 mg/m3), 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 125 ppm (665 mg/m3), JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 50 ppm (260 mg/m3), JAN1999
Occupational Exposure Limit-PERUtime-weighted average 50 ppm (266 mg/m3); short term exposure limit 100 ppm (532 mg/m3), JUL2005
Occupational Exposure Limit-SWEDENtime-weighted average 100 ppm (500 mg/m3);short term exposure limit 150 ppm (800 mg/m3), JUN2005
Occupational Exposure Limit-SWITZERLANDceiling concentration 50 ppm (260 mg/m3), JAN2011
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 125 ppm (650 mg/m3), JAN1993
Occupational Exposure Limit-TURKEYtime-weighted average 100 ppm (525 mg/m3), JAN1993
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 50 ppm (270 mg/m3);short term exposure limit 100 ppm (541 mg/m3), OCT2007
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 125 ppm (650 mg/m3)CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 125 ppm (650 mg/m3)CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 125 ppm (650 mg/m3)CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 125 ppm (650 mg/m3)CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO sec-AMYL ACETATE-air10H time-weighted average 125 ppmNIOSH* DHHS #92-100,1992

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
NIOSH Analytical Method, 1994: Esters I, 1450
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