Top Suppliers:I want be here



141-79-7

141-79-7 structure
141-79-7 structure

Name 4-Methyl-3-penten-2-one
Synonyms EINECS 205-502-5
Mesityl oxide
MFCD00008900
2-methyl-2-penten-4-one
3-Penten-2-one, 4-methyl-
4-Methyl-3-pentene-2-one
4-Methyl-3-penten-2-one
4-methylpent-3-en-2-one
Density 0.8±0.1 g/cm3
Boiling Point 132.7±9.0 °C at 760 mmHg
Melting Point −53 °C(lit.)
Molecular Formula C6H10O
Molecular Weight 98.143
Flash Point 30.6±0.0 °C
Exact Mass 98.073166
PSA 17.07000
LogP 1.12
Vapour Pressure 8.8±0.2 mmHg at 25°C
Index of Refraction 1.418
Water Solubility 28 G/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SB4200000
CHEMICAL NAME :
3-Penten-2-one, 4-methyl-
CAS REGISTRY NUMBER :
141-79-7
BEILSTEIN REFERENCE NO. :
1361550
LAST UPDATED :
199712
DATA ITEMS CITED :
46
MOLECULAR FORMULA :
C6-H10-O
MOLECULAR WEIGHT :
98.16
WISWESSER LINE NOTATION :
1Y1&U1V1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Human
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 28,262,1946
TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 11/3/1971
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
AJOPAA American Journal of Ophthalmology. (Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611) Series 3: V.1- 1918- Volume(issue)/page/year: 29,1363,1946 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Human
DOSE/DURATION :
25 ppm
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - conjunctive irritation
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 28,262,1946
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1120 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,896,1991
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9 gm/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,80,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
710 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,80,1982
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 gm/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,80,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
354 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,896,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015) Volume(issue)/page/year: 1,71,1974
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
840 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEXPBL Archiv fuer Experimentelle Pathologie und Pharmakologie. (Leipzig, Ger. Dem. Rep.) V.1-109, 1873-1925. For publisher information, see NSAPCC. Volume(issue)/page/year: 56,346,1906
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
500 ppm/8H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 24,46,1942
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
1400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEXPBL Archiv fuer Experimentelle Pathologie und Pharmakologie. (Leipzig, Ger. Dem. Rep.) V.1-109, 1873-1925. For publisher information, see NSAPCC. Volume(issue)/page/year: 56,346,1906
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
710 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(4),86,1974 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 ppm/8H/2W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes Related to Chronic Data - death
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 24,46,1942
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
500 ppm/8H/2W-I
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 24,46,1942 *** REVIEWS *** ACGIH TLV-STEL 100 mg/m3 (25 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 ACGIH TLV-TWA 60 mg/m3 (15 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 25 ppm (100 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: 3,152,1971 OSHA PEL (Gen Indu):8H TWA 25 ppm (100 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 25 ppm (100 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 25 ppm (100 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 25 ppm (100 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 15 ppm (60 mg/m3);STEL 25 ppm (100 mg/m3) JAN 1993 OEL-BELGIUM:TWA 15 ppm (60 mg/m3);STEL 25 ppm (100 mg/m3) JAN 1993 OEL-DENMARK:TWA 10 ppm (40 mg/m3) JAN 1993 OEL-FINLAND:TWA 25 ppm (100 mg/m3);STEL 75 ppm (300 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 15 ppm (60 mg/m3) JAN 1993 OEL-GERMANY:TWA 25 ppm (100 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 15 ppm (60 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 25 ppm (100 mg/m3) JAN 1993 OEL-POLAND:TWA 20 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 15 ppm (60 mg/m3) JAN 1993 OEL-TURKEY:TWA 25 ppm (100 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 15 ppm (60 mg/m3);STEL 25 ppm (100 mg/m3) 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 MESITYL OXIDE-air:10H TWA 10 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 - 45360 No. of Facilities: 1062 (estimated) No. of Industries: 9 No. of Occupations: 12 No. of Employees: 6484 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 45360 No. of Facilities: 23 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 362 (estimated) No. of Female Employees: 34 (estimated)
Symbol GHS02 GHS06
GHS02, GHS06
Signal Word Danger
Hazard Statements H226-H302 + H312-H315-H319-H331-H335
Precautionary Statements P261-P280-P305 + P351 + P338-P311
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R10;R20/21/22
Safety Phrases S25
RIDADR UN 1229 3/PG 3
WGK Germany 1
RTECS SB4200000
Packaging Group III
Hazard Class 3
HS Code 2914190090
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%