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Ethyl isobutyrate

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Ethyl isobutyrate

EINECS 202-595-4
CAS No. 97-62-1 Density 0.883 g/cm3
PSA 26.30000 LogP 1.20550
Solubility Not miscible or difficult to mix in water. Soluble in alcohol. Melting Point -88 °C
Formula C6H12O2 Boiling Point 112.6 °C at 760 mmHg
Molecular Weight 116.18 Flash Point 19.4 °C
Transport Information UN 2385 3/PG 2 Appearance clear colourless liquid
Safety 16-26-36-36/37/39 Risk Codes 11-36/37/38
Molecular Structure Molecular Structure of 97-62-1 (Propanoic acid,2-methyl-, ethyl ester) Hazard Symbols FlammableF,IrritantXi

Isobutyricacid, ethyl ester (6CI,8CI);2-Methylpropanoic acid ethyl ester;Ethyl 2,2-dimethylacetate;Ethyl 2-methylpropionate;Ethylisobutyrate;NSC 97194;


Ethyl isobutyrate Chemical Properties

Empirical Formula: C6H12O2
Molecular Weight: 116.1583 
EINECS: 202-595-4
Index of Refraction: 1.395
Density: 0.883 g/cm3
Flash Point: 19.4 °C
Enthalpy of Vaporization: 33.67 kJ/mol
Boiling Point: 112.6 °C at 760 mmHg
Vapour Pressure: 21.6 mmHg at 25 °C
Melting point: -88 °C
Storage temp: Flammables area
Water solubility: Insoluble
Appearance: Colorless volatile liquid
Solubility: Slightly soluble in water, energy and most organic solvents miscible
Product categories of 6-Nitroisatoic anhydride (CAS NO.4693-02-1): Organics;Carbonyl Compounds;Esters;Alphabetical Listings;Flavors and Fragrances
Structure of Ethyl isobutyrate (CAS NO.97-62-1):

Ethyl isobutyrate Uses

 Ethyl isobutyrate (CAS NO.97-62-1) has been used as a food flavor ingredient and also be used as incense raw material in cigarettes, daily chemical products or other products. It is also an excellent organic solvent.

Ethyl isobutyrate Production

 Ethyl isobutyrate (CAS NO.97-62-1) is derived by the different  butyric acid and Ethanol in the azeotropic distillation under the condition of heat after esterification.

Ethyl isobutyrate Toxicity Data With Reference


skn-rbt 500 mg/24H MOD

    FCTXAV    Food and Cosmetics Toxicology. 16 (1978),741.

ipr-mus LD50:800 mg/kg

    FCTXAV    Food and Cosmetics Toxicology. 16 (1978),741.

Ethyl isobutyrate Consensus Reports

Reported in EPA TSCA Inventory.

Ethyl isobutyrate Safety Profile

Moderately toxic by intraperitoneal route. A skin irritant. Flammable liquid. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.

Hazard Codes: FlammableFIrritantXi
Risk Statements: 11-36/37/38
R11:Highly flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36-36/37/39
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

Ethyl isobutyrate Standards and Recommendations

DOT Classification:  3; Label: Flammable Liquid

Ethyl isobutyrate Specification

 Ethyl isobutyrate ,its cas register number is 97-62-1. It also can be called Ethyl-2-methylpropanoat ; Propanoic acid, 2-methyl-, ethyl ester and 2-Méthylpropanoate d'éthyle . It is hazardous,so the first aid measures and others should be known. Such as: When on the skin: first,should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.
In addition, Ethyl isobutyrate (CAS NO.97-62-1) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.

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