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  • Repeated exposure toxicity of 2-ethyl-1,3-hexanediol by cutaneous applications to the rat for 9 and 90 days.

Repeated exposure toxicity of 2-ethyl-1,3-hexanediol by cutaneous applications to the rat for 9 and 90 days.

Veterinary and human toxicology (1995-02-01)
J P Van Miller, P E Losco, D A Neptun, B Ballantyne
ABSTRACT

2-Ethyl-1,3-hexanediol (EHD; CASRN 94-96-2), an industrial chemical and insect repellent, has a high potential for recurrent skin contact. Short-term (9 d) and subchronic (13 w) repeated epicutaneous contact studies were conducted to determine the potential for cumulative local skin irritation and systemic toxicity in Fischer 344 rats. Doses were 0.5, 2.0 or 4.0 ml/kg/d of undiluted EHD. There were no clinical signs and no treatment-related effects on hematology, clinical chemistry or histology of a large number of organs and tissues including the treated skin. The only effects where slight decreases in body weight gain for the high-dose males in the 9-d study and males and females of the high-dose group in the subchronic study; slight decreases in food consumption for females of all treatment groups in the subchronic study; and slight increases in relative liver weight for high-dose females in the 9-d study and high-dose males in the subchronic study, which is probably a compensatory hypertrophy for the metabolism of EHD. Thus, recurrent epicutaneous applications of undiluted EHD to the rat did not cause any local skin irritation or cumulative or organ-specific toxicity.

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Sigma-Aldrich
2-Ethyl-1,3-hexanediol, 97%, Mixture of isomers