Isobutyl butyrate cas no:539-90-2

NameIsobutyl butyrate
CAS539-90-2
SynonymsButyricacid, isobutyl ester (6CI,7CI,8CI);2-Methylpropyl butanoate;2-Methylpropylbutyrate;Isobutyl butanoate;Isobutyl n-butyrate;NSC406938;
EINECS(EC#)208-729-8
Molecular FormulaC₈H₁₆O₂
Molecular Weight144.21

AppearanceColorless to pale yellow liquid with banana-pineapple-pear sweet odor
refractive index1.405

Hazardclass3.2

Hazard N
Risk R10
Safety Mildly toxic by ingestion and intraduodenal routes. A skin irritant. See also ESTERS. When heated to decomposition it emits acrid smoke and irritating fumes.

CHEMICAL IDENTIFICATION

RTECS NUMBER :

ET5020000

CHEMICAL NAME :

Butyric acid, isobutyl ester

CAS REGISTRY NUMBER :

539-90-2

BEILSTEIN REFERENCE NO. :

1747322

LAST UPDATED :

199710

DATA ITEMS CITED :

6

MOLECULAR FORMULA :

C8-H16-O2

MOLECULAR WEIGHT :

144.24

WISWESSER LINE NOTATION :

3VO1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,833,1979 ** ACUTE TOXICITY DATA **

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>5 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,833,1979

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

9520 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73. For publisher information, see IOHSA5. Volume(issue)/page/year: 41,31,1972

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>5 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,833,1979