Isobutyl formate
[CAS# 542-55-2]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Carboxylic acid and ester perfume >> Aromatic carboxylic acid ester
• Name: Isobutyl formate
• Synonyms: 2-Methylpropyl formate; Iso-butyl methanoate; NSC 6968; Tetryl formate
• Molecular Formula: C₅H₁₀O₂
• Molecular Weight: 102.13
• CAS Registry Number: 542-55-2
• EC Number: 208-818-1

Properties

• Solubility: Slightly soluble (4.9 g/L) (25 ºC), Calc.^*
• Density: 1.0270 g/cm³ (0 ºC)^**
• Melting point: -95.8 ºC^***
• Boiling point: 146.25 ºC^****
• Refractive index: 1.3910 (25 ºC)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Farren, J. W.; Journal of the American Chemical Society 1925, V47, P2419-23.

^*** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

^**** Lecat, Maurice; Ann. soc. sci. Bruxelles 1926, V45, P169-76,284-94.

Safety Data

• Hazard Symbols: GHS02;GHS07 Danger
• Hazard Statements: H225-H335-H319
• Safety Description: S9;S16;S24;S33

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable liquids	Flam. Liq.	2	H225
Eye irritation	Eye Irrit.	2	H319
Skin corrosion	Skin Corr.	1A	H314
Flammable liquids	Flam. Liq.	3	H226

• Transport Information: UN 2393 3 / PGII