5-Methyl-2-hexanone
Names
[ CAS No. ]:
110-12-3
[ Name ]:
5-Methyl-2-hexanone
[Synonym ]:
Isobutylacetone,Isopentyl methyl ketone
MIAK
5-Methylhexan-2-one
isopentyl methyl ketone
Isobutylacetone
methyl isoamyl ketone
Isoamyl Methyl Ketone
EINECS 203-737-8
(CH3)2CHCH2CH2COCH3
2-Hexanone, 5-methyl-
MFCD00008950
Chemical & Physical Properties
[ Density]:
0.8±0.1 g/cm3
[ Boiling Point ]:
144.0±0.0 °C at 760 mmHg
[ Melting Point ]:
-74 °C
[ Molecular Formula ]:
C7H14O
[ Molecular Weight ]:
114.186
[ Flash Point ]:
41.1±0.0 °C
[ Exact Mass ]:
114.104462
[ PSA ]:
17.07000
[ LogP ]:
1.78
[ Vapour density ]:
3.94 (vs air)
[ Vapour Pressure ]:
5.2±0.2 mmHg at 25°C
[ Index of Refraction ]:
1.402
[ Water Solubility ]:
5.4 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- MP3850000
- CHEMICAL NAME :
- 2-Hexanone, 5-methyl-
- CAS REGISTRY NUMBER :
- 110-12-3
- BEILSTEIN REFERENCE NO. :
- 0506163
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 30
- MOLECULAR FORMULA :
- C7-H14-O
- MOLECULAR WEIGHT :
- 114.21
- WISWESSER LINE NOTATION :
- 1Y1&2V1
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 :
- 3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4759,1982
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 400 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4759,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2542 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 30,13,1986
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4759,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 10 mL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 8/7/1963 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 30 gm/kg/3W-I
- TOXIC EFFECTS :
- Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571116
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 130 gm/kg/13W-I
- TOXIC EFFECTS :
- Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571116
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1000 ppm/6H/16D-I
- TOXIC EFFECTS :
- Liver - changes in liver weight
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 6,498,1986
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1000 ppm/6H/96D-I
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 6,498,1986 *** REVIEWS *** ACGIH TLV-TWA 234 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 (475 mg/m3) DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,22,1973 OSHA PEL (Gen Indu):8H TWA 100 ppm (475 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 (475 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 (475 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 50 ppm (240 mg/m3) JAN 1993 OEL-BELGIUM:TWA 50 ppm (234 mg/m3) JAN 1993 OEL-DENMARK:TWA 50 ppm (230 mg/m3) JAN 1993 OEL-FINLAND:TWA 100 ppm (460 mg/m3);STEL 150 ppm (700 mg/m3) JAN 1993 OEL-FRANCE:TWA 50 ppm (240 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 25 ppm (130 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 50 ppm (240 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 METHYL ISOAMYL KETONE-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 - M0430 No. of Facilities: 3003 (estimated) No. of Industries: 44 No. of Occupations: 36 No. of Employees: 25307 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0430 No. of Facilities: 1132 (estimated) No. of Industries: 17 No. of Occupations: 22 No. of Employees: 18834 (estimated) No. of Female Employees: 4071 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H226-H332
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R10;R20
[ Safety Phrases ]:
S23-S24/25
[ RIDADR ]:
UN 2302 3/PG 3
[ WGK Germany ]:
1
[ RTECS ]:
MP3850000
[ Packaging Group ]:
III
[ Hazard Class ]:
3
[ HS Code ]:
29141910
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2914190090
[ Summary ]:
2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%
Articles
Fundam. Appl. Toxicol. 6(3) , 498-505, (1986)
Rats were exposed by inhalation, 6 hr/day, 5 days/week, to target vapor concentrations of 2000, 1000, or 0 ppm of methyl isoamyl ketone (MIAK) for 12 exposures spanning 16 days, and 2000, 1000, 200, o...
Germination responses of several species of rust spores to 5-methyl-2-hexanone, isomers of ionone, and other structurally related flavor compounds. French RC.J. Agric. Food Chem. 31(2) , 423-427, (1983)
The near-UV absorption cross sections for several ketones. Yujing M and Mellouki A.
J. Photochem. Photobiol. A: Chem. 134(1) , 31-36, (2000)