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Registry of Toxic Effects of Chemical Substances (RTECS)

Hexanal, 2-ethyl-

RTECS #

MN7525000

CAS #

123-05-7

Updated

April 2012

Molecular Weight

128.24

Molecular Formula

C8H16O

Synonyms

2-Ethylhexaldehyde
2-Ethylhexanal
alpha-Ethylcaproaldehyde
beta-Propyl-alpha-ethylacrolein
Butyl ethyl acetaldehyde
Ethylbutylacetaldehyde
Ethylhexaldehyde

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
skin /rabbit 425 mg open irritation test mildUCDS** 7/21/1965

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/rat Lowest published lethal concentration: 4000 ppm/4HAMIHBC 4,119,1951
inhalation/rat Lowest published lethal concentration: 25600 mg/m3/4HVCVGK* -,379,1984
intraperitoneal/mouse lethal dose (50 percent kill): 1600 mg/kgBehavioral: Muscle weakness

Behavioral: Ataxia

Skin and Appendages: Other: Hair
NTIS** OTS0533623
intraperitoneal/rat lethal dose (50 percent kill): 500 mg/kgHYDRDA 3,201,1978
oral/mouse lethal dose (50 percent kill): 3550 mg/kg85GMAT -,103,1982
oral/rat lethal dose (50 percent kill): 2600 mg/kgNTIS** OTS0534445
skin/guinea pig lethal dose (50 percent kill): >16 gm/kgFCTOD7 26,319,1988
skin/rabbit lethal dose (50 percent kill): 4135 mg/kgNTIS** OTS0534445
skin/rat lethal dose (50 percent kill): >20 mL/kgSkin: After systemic exposure: Dermatitis, otherNTIS** OTS0533623

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 25200 mg/kg/3W- continuousBlood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)TOLED5 10,379,1982

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-RUSSIAshort term exposure limit 3 mg/m3, JUN2003

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EPA TSCA Section 8(d) unpublished health/safety studies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