CAS 79-20-9|Methyl acetate
Introduction：Basic information about CAS 79-20-9|Methyl acetate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Methyl acetate | ||
|---|---|---|---|
| CAS Number | 79-20-9 | Molecular Weight | 74.078 |
| Density | 0.9±0.1 g/cm3 | Boiling Point | 44.0±3.0 °C at 760 mmHg |
| Molecular Formula | C3H6O2 | Melting Point | -98 °C |
| MSDS | ChineseUSA | Flash Point | -9.4±0.0 °C |
| Symbol | GHS02, GHS07 | Signal Word | Danger |
Names
| Name | methyl acetate |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 0.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 44.0±3.0 °C at 760 mmHg |
| Melting Point | -98 °C |
| Molecular Formula | C3H6O2 |
| Molecular Weight | 74.078 |
| Flash Point | -9.4±0.0 °C |
| Exact Mass | 74.036781 |
| PSA | 26.30000 |
| LogP | 0.18 |
| Vapour density | 2.55 (vs air) |
| Vapour Pressure | 368.4±0.1 mmHg at 25°C |
| Index of Refraction | 1.354 |
| InChIKey | KXKVLQRXCPHEJC-UHFFFAOYSA-N |
| SMILES | COC(C)=O |
| Storage condition | Flammables area |
| Stability | Stable. Extremely flammable - readily forms explosive mixtures with air. Note low flash point and wide explosion limits. Incompatible with strong oxidizing agents, strong bases, strong acids, nitrates. May be moisture sensitive. |
| Water Solubility | 250 g/L (20 ºC) |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 15000 mg/m3
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - cough Lungs, Thorax, or Respiration - other changes
- 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
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 32000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 8 gm/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 - mouse
- DOSE/DURATION :
- 34 gm/m3/4H
- TOXIC EFFECTS :
- Behavioral - general anesthetic
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 67 gm/m3/1H
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 3 gm/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3705 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 :
- 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
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraduodenal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3700 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 :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 3 gm/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 :
- Unreported
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 214 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA - TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TEST SYSTEM :
- Yeast - Saccharomyces cerevisiae
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 149,339,1985 *** REVIEWS *** ACGIH TLV-STEL 757 mg/m3 (250 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 606 mg/m3 (200 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 TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,28,1960 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 200 ppm (610 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: 3,153,1971 OSHA PEL (Gen Indu):8H TWA 200 ppm (610 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 200 ppm (610 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 200 ppm (610 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 200 ppm (610 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 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-BELGIUM:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-DENMARK:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-FINLAND:TWA 200 ppm (610 mg/m3);STEL 250 ppm (765 mg/m3) JAN 1993 OEL-FRANCE:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-GERMANY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-HUNGARY:TWA 200 mg/m3;STEL 500 mg/m3;Skin JAN 1993 OEL-JAPAN:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-POLAND:TWA 100 mg/m3 JAN 1993 OEL-RUSSIA:TWA 200 ppm;STEL 100 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 200 ppm (610 mg/m3);STEL 400 ppm JAN 1993 OEL-TURKEY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 200 ppm (610 mg/m3);STEL 250 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 ACETATE-air:10H TWA 200 ppm;STEL 250 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 - 46410 No. of Facilities: 1604 (estimated) No. of Industries: 26 No. of Occupations: 22 No. of Employees: 5611 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 46410 No. of Facilities: 387 (estimated) No. of Industries: 15 No. of Occupations: 31 No. of Employees: 20455 (estimated) No. of Female Employees: 6018 (estimated)
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TEST SYSTEM :
- Yeast - Saccharomyces cerevisiae
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 149,339,1985 *** REVIEWS *** ACGIH TLV-STEL 757 mg/m3 (250 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 606 mg/m3 (200 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 TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,28,1960 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 200 ppm (610 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: 3,153,1971 OSHA PEL (Gen Indu):8H TWA 200 ppm (610 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 200 ppm (610 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 200 ppm (610 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 200 ppm (610 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 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-BELGIUM:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-DENMARK:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-FINLAND:TWA 200 ppm (610 mg/m3);STEL 250 ppm (765 mg/m3) JAN 1993 OEL-FRANCE:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-GERMANY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-HUNGARY:TWA 200 mg/m3;STEL 500 mg/m3;Skin JAN 1993 OEL-JAPAN:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-POLAND:TWA 100 mg/m3 JAN 1993 OEL-RUSSIA:TWA 200 ppm;STEL 100 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 200 ppm (610 mg/m3);STEL 400 ppm JAN 1993 OEL-TURKEY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 200 ppm (610 mg/m3);STEL 250 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 ACETATE-air:10H TWA 200 ppm;STEL 250 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 - 46410 No. of Facilities: 1604 (estimated) No. of Industries: 26 No. of Occupations: 22 No. of Employees: 5611 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 46410 No. of Facilities: 387 (estimated) No. of Industries: 15 No. of Occupations: 31 No. of Employees: 20455 (estimated) No. of Female Employees: 6018 (estimated)
Safety Information
| Symbol | GHS02, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H225-H319-H336 |
| Supplemental HS | Repeated exposure may cause skin dryness or cracking. |
| Precautionary Statements | P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P235 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F:Flammable |
| Risk Phrases | R11;R36;R66;R67 |
| Safety Phrases | S16-S26-S29-S33 |
| RIDADR | UN 1231 3/PG 2 |
| WGK Germany | 1 |
| RTECS | AI9100000 |
| Packaging Group | II |
| Hazard Class | 3 |
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Synonyms
| methyl ortho-acetate |
| 1-yl-acetic acid,methyl ester |
| acetic acid trimethyl ester |
| Methyl ethanoate |
| Devoton |
| Methyl acetic ester |
| MFCD00008711 |
| EINECS 201-185-2 |
| Tereton |
| Methylacetat |
| Acetic acid,methyl ester |
| Methylacetaat |
| Methyl acetate |
