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Registry of Toxic Effects of Chemical Substances (RTECS)

Propyne, mixed with propadiene

RTECS #

UK4920000

CAS #

59355-75-8

Updated

September 2013

Molecular Weight

N/R

Molecular Formula

N/R

Synonyms

MAPP (OSHA)
Methyl acetylene - propadiene mixture
Methyl acetylene-propadiene mixture
Methyl acetylene-propadiene mixture (ACGIH:OSHA)
Propyne-allene mixture

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/mammal (species unspecified) lethal concentration (50 percent kill): 170000 mg/m3TOVEFN (4),16,1997

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 1000 ppm;short term exposure limit 1250 ppmDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 1000 ppm (1800 mg/m3)DTLVS* 3,154,1971
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 1000 ppm (1640 mg/m3), short term exposure limit 1250 ppm (2050 mg/m3), JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 1000 ppm (1664 mg/m3), MAR2002
Occupational Exposure Limit-BELGIUMshort term exposure limit 1250 ppm (2080 mg/m3), MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 1000 ppm (1800 mg/m3), MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 1000 ppm (1700 mg/m3), short term exposure limit 1300 ppm (2200 mg/m3), NOV2011
Occupational Exposure Limit-ICELANDtime-weighted average 1000 ppm (1800 mg/m3), NOV2011
Occupational Exposure Limit-KOREAtime-weighted average 1000 ppm (1800 mg/m3), short term exposure limit 1250 ppm (2250 mg/m3), 2006
Occupational Exposure Limit-MEXICOtime-weighted average 1000 ppm (1800 mg/m3);short term exposure limit 1250 ppm, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 1000 ppm (1640 mg/m3); short term exposure limit 1250 ppm (2050 mg/m3), JAN2002
Occupational Exposure Limit-RUSSIAshort term exposure limit 135 mg/m3, JUN2003
Occupational Exposure Limit-SWITZERLANDMAK-week 1000 ppm (1800 mg/m3), JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 1800 mg/m3, 2003
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 1000 ppm (1800 mg/m3), JAN1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 1000 ppm (1800 mg/m3)CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MAPP-air10H time-weighted average 1000 ppm;short term exposure limit 1250 ppmNIOSH* DHHS #92-100,1992
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