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Registry of Toxic Effects of Chemical Substances (RTECS)

1-Butanol, 2-methyl-

RTECS #

EL5250000

CAS #

137-32-6; 34713-94-5

Updated

July 2013

Molecular Weight

88.17

Molecular Formula

C5H12O

Synonyms

(+-)-2-Methyl-1-butanol
2-Methyl butanol-1
2-Methyl-1-butanol
2-Methylbutanol
Active amyl alcohol
Active primary amyl alcohol
dl-sec-Butyl carbinol
sec-Butylcarbinol

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
skin /rabbit 8193 µg/24H open irritation test mildAIHAAP 23,95,1962

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
intraperitoneal/rat lowest published lethal dose: 1900 mg/kgJIHTAB 27,1,1945
parenteral/frog lowest published lethal dose: 2448 mg/kgPeripheral Nerve and Sensation: Spastic paralysis with/without sensory change

Behavioral: Somnolence (general depressed activity)
AIPTAK 50,296,1935
skin/rabbit lethal dose (50 percent kill): 3540 µL/kgAIHAAP 23,95,1962

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-DENMARKtime-weighted average 100 ppm (360 mg/m3), MAY2011
Occupational Exposure Limit-GERMANYMAK 20 ppm (73 mg/m3), 2011
Occupational Exposure Limit-ICELANDtime-weighted average 100 ppm (360 mg/m3), NOV2011
Occupational Exposure Limit-SWITZERLANDMAK-week 20 ppm (73 mg/m3), KZG-week 80 ppm (292 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EPA TSCA Section 8(d) unpublished health/safety studies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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