2-Ethylhexanal
[CAS# 123-05-7]

Identification

• Name: 2-Ethylhexanal
• Synonyms: 2-Ethylhexaldehyde; 2-Ethylhexylal; 2-Ethylhexylaldehyde; 3-Formylheptane; Butylethylacetaldehyde; Ethylbutylacetaldehyde; NSC 42871; alpha-Ethylcaproaldehyde; alpha-Ethylhexanal
• Molecular Formula: C₈H₁₆O
• Molecular Weight: 128.21
• CAS Registry Number: 123-05-7
• EC Number: 204-596-5

Properties

• Solubility: Very slightly soluble (0.77 g/L) (25 ºC), Calc.^*
• Density: 0.8817 g/cm³ (30 ºC)^**
• Melting point: -85 ºC^***
• Boiling point: 180 ºC^****
• Refractive index: 1.4519 (589.3 nm 30 ºC)^**
• Flash point: 42.2±0.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Bergmann, Ernst D.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1952, V71, P168-91.

^*** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^**** Mashkina, O. N.; Mater. Konf. Fiziol. Biokhim. Farmakol. Uchast. Prakt. Vrachei Ufa., USSR 1966, P168-70.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Reproductive toxicity	Repr.	2	H361
Skin sensitization	Skin Sens.	1B	H317
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1	H317