isobutanol

Names

[ CAS No. ]:
78-83-1

[ Name ]:
isobutanol

[Synonym ]:
i-Butyl alcohol
Methylethyl carbinol
iso-butanol
1-Propanol, 2-methyl-
2-methyl propyl alcohol
isobutyl alcohol
Propanol, 2-methyl-
1-hydroxymethylpropane
2-methyl-1-propanyl alcohol
2-Methyl-1-propanol
2-Methylpropan-1-ol
iso-Butyl Alcohol
2-Methylpropyl alcohol
2-Methyl propanol
UNII-56F9Z98TEM
2-MethylpropanoI
isopropylcarbinol
EINECS 201-148-0
i-Butanol
2-methylpropanol
isobutanol
MFCD00004740

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
105.0±8.0 °C at 760 mmHg

[ Melting Point ]:
−108 °C(lit.)

[ Molecular Formula ]:
C₄H₁₀O

[ Molecular Weight ]:
74.122

[ Flash Point ]:
27.8±0.0 °C

[ Exact Mass ]:
74.073166

[ PSA ]:
20.23000

[ LogP ]:
0.69

[ Vapour density ]:
2.55 (vs air)

[ Vapour Pressure ]:
16.4±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.393

[ Stability ]:
Stable. Flammable. Incompatible with strong oxidizing agents, aluminium.

[ Water Solubility ]:
95 g/L (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NP9625000

CHEMICAL NAME :: Isobutyl alcohol

CAS REGISTRY NUMBER :: 78-83-1

BEILSTEIN REFERENCE NO. :: 1730878

LAST UPDATED :: 199806

DATA ITEMS CITED :: 44

MOLECULAR FORMULA :: C4-H10-O

MOLECULAR WEIGHT :: 74.14

WISWESSER LINE NOTATION :: Q1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2460 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8000 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 720 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 340 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 544 mg/kg

TOXIC EFFECTS :: Liver - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 417 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 725 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3750 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3400 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 323 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 1201 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1401 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 93 gm/kg/13W-I

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Nutritional and Gross Metabolic - changes in potassium Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 29 gm/kg/71W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors Blood - leukemia

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9 gm/kg/78W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Escherichia coli

REFERENCE :: ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 23,843,1969 *** REVIEWS *** ACGIH TLV-TWA 152 mg/m3 (50 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 100 ppm (300 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,140,1971 OSHA PEL (Gen Indu):8H TWA 100 ppm (300 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 100 ppm (300 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 100 ppm (300 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 100 ppm (300 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 50 ppm (150 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-BELGIUM:TWA 50 ppm (152 mg/m3) JAN 1993 OEL-DENMARK:STEL 50 ppm (150 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 50 ppm (150 mg/m3) JAN 1993 OEL-GERMANY:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-JAPAN:TWA 50 ppm (150 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 50 ppm (150 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-RUSSIA:TWA 50 ppm;STEL 10 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 50 ppm (150 mg/m3);STEL 100 ppm (300 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 50 ppm (150 mg/m3);STEL 75 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ISOBUTYL ALCOHOL-air:10H TWA 50 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 40430 No. of Facilities: 16985 (estimated) No. of Industries: 181 No. of Occupations: 98 No. of Employees: 107310 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 40430 No. of Facilities: 15449 (estimated) No. of Industries: 155 No. of Occupations: 99 No. of Employees: 256975 (estimated) No. of Female Employees: 49376 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H315-H318-H335-H336

[ Precautionary Statements ]:
P210-P280-P304 + P340 + P312-P305 + P351 + P338 + P310-P403 + P235

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R10;R37/38;R41;R67

[ Safety Phrases ]:
S13-S26-S37/39-S46-S7/9

[ RIDADR ]:
UN 1212 3/PG 3

[ WGK Germany ]:
1

[ RTECS ]:
NP9625000

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ HS Code ]:
2905141000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2905141000

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