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Registry of Toxic Effects of Chemical Substances (RTECS)

2-Propanol, 1-butoxy-

RTECS #

UA7700000

CAS #

5131-66-8

Updated

August 2006

Molecular Weight

132.23

Molecular Formula

C7H16O2

Synonyms

1-Butoxy-2-propanol
Propasol solvent B
Propylene glycol n-butyl ether

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lethal dose (50 percent kill): 5660 µL/kgBehavioral: Somnolence (general depressed activity)

Gastrointestinal: Changes in structure or function of salivary glands

Skin and Appendages: Other: Hair
NTIS** OTS0516797
skin/rabbit lethal dose (50 percent kill): 3100 mg/kgNPIRI* 1,102,1974

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
inhalation/rat lowest published toxic concentration: 600 ppm/6H/11D- intermittentLiver: Changes in liver weightNTIS** OTS0516797

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code X2187; Number of Industries 20; Total Number of Facilities 918; Number of Occupations 10; Total Number of Employees Exposed 8427; Total Number of Female Employees Exposed 5583

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EPA TSCA Section 8(d) unpublished health/safety studies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