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Registry of Toxic Effects of Chemical Substances (RTECS)

Hexane, 2-methyl-

RTECS #

MO3871500

CAS #

591-76-4

Updated

September 201

Molecular Weight

100.23

Molecular Formula

C7H16

Synonyms

2-Methylhexane
D 726
Isoheptane

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/mouse Lowest published lethal concentration: 70000 mg/m3/2HVCVGH* -,35,1990
inhalation/rat Lowest published lethal concentration: 19500 ppm/4HBehavioral: Tremor

Lung, Thorax, or Respiration: Dyspnea

Gastrointestinal: Changes in structure or function of salivary glands
NTIS** OTS0534860

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 10 gm/kg/4W- intermittentKidney, Ureter, and Bladder: Changes in tubules (including acute renal failure, acute tubular necrosis)

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
TIHEEC 1(3),67,1985

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 400 ppm;short term exposure limit 500 ppmDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-FINLANDtime-weighted average 300 ppm (1200 mg/m3), short term exposure limit 500 ppm (2100 mg/m3), NOV2011
Occupational Exposure Limit-SWEDENtime-weighted average 200 ppm (800 mg/m3);short term exposure limit 300 ppm (1200 mg/m3), JUN2005
Occupational Exposure Limit-SWITZERLANDMAK-week 400 ppm (1600 mg/m3),KZG-week 400 ppm (1600 mg/m3), JAN2011

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EPA TSCA Section 8(d) unpublished health/safety studies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
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