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Registry of Toxic Effects of Chemical Substances (RTECS)

Ethanol, 2-(2,4-dichlorophenoxy)-, hydrogen sulfate, sodium salt

RTECS #

KK4900000

CAS #

136-78-7

Updated

September 2013

Molecular Weight

309.10

Molecular Formula

C8H7Cl2O5S·Na

Synonyms

2-(2,4-Dichlorfenoxy)ethylsiran sodny (Czech)
2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate sodium salt
2,4-Des sodium
2,4-Des-Na
2,4-Des-natrium (German)
2,4-Dichlorophenoxyethyl sulfate, sodium salt
Crag herbicide
Crag herbicide (OSHA)
Crag herbicide 1
Crag herbicide I
Crag sesone
Disul
Disul-Na
Disul-sodium
Experimental herbicide I
Herbon 2,4-des-sodium
Natrium-2,4-dichlorphenoxyathylsulfat (German)
SES
Sesone
Sesone (ACGIH:OSHA)
Sodium 2-(2,4-dichlorophenoxy)ethyl sulfate
Sodium 2,4-dichlorophenoxyethyl sulphate
Sodium 2,4-dichlorophenyl cellosolve sulfate

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/mammal (species unspecified) lethal dose (50 percent kill): 1230 mg/kgFMCHA2 -,C273,1991
oral/rat lethal dose (50 percent kill): 480 mg/kgLung, Thorax, or Respiration: Chronic pulmonary edema or congestionJAFCAU 9,382,1961

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 3750 mg/kg/30D- continuousKidney, Ureter, and Bladder: Changes in bladder weightJAFCAU 9,382,1961

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 10 mg/m3DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-Not classifiable as a human carcinogenDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 10 mg/m3DTLVS* 3,61,1971
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 10 mg/m3, JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 10 mg/m3, MAR2002
Occupational Exposure Limit-FRANCEVME 10 mg/m3, FEB2006
Occupational Exposure Limit-ICELANDtime-weighted average 5 mg/m3, NOV2011
Occupational Exposure Limit-KOREAtime-weighted average 10 mg/m3, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 15 mg/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 10 mg/m3, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 5 mg/m3, JAN1999
Occupational Exposure Limit-PERUtime-weighted average 10 mg/m3, JUL2005
Occupational Exposure Limit-SWITZERLANDMAK-week 10 mg/m3, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 10 mg/m3, 2003
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 10 mg/m3;short term exposure limit 20 mg/m3, OCT2007
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 15 mg/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CRAG HERBICIDE, respirable fraction-air10H time-weighted average 5 mg/m3NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CRAG HERBICIDE, total dust-air10H time-weighted average 10 mg/m3NIOSH* DHHS #92-100,1992
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