N-Methylaniline

Modify Date: 2025-08-20 07:19:57

N-Methylaniline Structure
N-Methylaniline structure
 Common Name N-Methylaniline
CAS Number 100-61-8 Molecular Weight 107.153
Density 1.0±0.1 g/cm3 Boiling Point 196.2 °C at 760 mmHg
Molecular Formula C7H9N Melting Point −57 °C(lit.)
MSDS Chinese USA Flash Point 78.9 °C
Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09		 Signal Word Danger

 Names

Name N-methylaniline
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 196.2 °C at 760 mmHg
Melting Point −57 °C(lit.)
Molecular Formula C7H9N
Molecular Weight 107.153
Flash Point 78.9 °C
Exact Mass 107.073502
PSA 12.03000
LogP 1.60
Vapour Pressure 0.4±0.3 mmHg at 25°C
Index of Refraction 1.573
Stability Stability Combustible. Incompatible with strong oxidizing agents. Discolours upon exposure to air.
Water Solubility 30 g/L

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BY4550000
CHEMICAL NAME :
Aniline, N-methyl-
CAS REGISTRY NUMBER :
100-61-8
LAST UPDATED :
199712
DATA ITEMS CITED :
30
MOLECULAR FORMULA :
C7-H9-N
MOLECULAR WEIGHT :
107.17
WISWESSER LINE NOTATION :
1MR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
24 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
280 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
24 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
XPHBAO U.S. Public Health Service, Public Health Bulletin. (Washington, DC) Volume(issue)/page/year: 271,16,1941
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1200 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
XPHBAO U.S. Public Health Service, Public Health Bulletin. (Washington, DC) Volume(issue)/page/year: 271,16,1941 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
300 ug/m3/24H/14W-C
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 34(3),7,1969 *** REVIEWS *** ACGIH TLV-TWA 2.2 mg/m3 (0.5 ppm) (skin) 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 2 ppm (9 mg/m3) (skin) 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: 3,174,1971 OSHA PEL (Gen Indu):8H TWA 2 ppm (9 mg/m3) (skin) 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 2 ppm (9 mg/m3) (skin) 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 2 ppm (9 mg/m3) (skin) 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 2 ppm (9 mg/m3) (skin) 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-ARAB Republic of Egypt:TWA 2 ppm (9 mg/m3);Skin JAN 1993 OEL-AUSTRALIA:TWA 0.5 ppm (2 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 0.5 ppm (2.2 mg/m3);Skin JAN 1993 OEL-DENMARK:TWA 0.5 ppm (2.25 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 0.5 ppm (2 mg/m3);Skin JAN 1993 OEL-GERMANY:TWA 0.5 ppm (2 mg/m3);Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 ppm (2 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.5 ppm (2.2 mg/m3);STEL 1.0 ppm;Skin JAN 1993 OEL-TURKEY:TWA 2 ppm (9 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 ppm (2 mg/m3);Skin 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 MONOMETHYL ANILINE-air:10H TWA 0.5 ppm (Sk) 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 : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3740 No. of Facilities: 82 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 82 (estimated)

 Safety Information

Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301 + H311 + H331-H373-H410
Precautionary Statements P261-P273-P280-P301 + P310-P311-P501
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes T:Toxic
Risk Phrases R23/24/25;R33;R50/53
Safety Phrases S28-S36/37-S45-S60-S61-S28A
RIDADR UN 2294 6.1/PG 3
WGK Germany 3
RTECS BY4550000
Packaging Group III
Hazard Class 6.1
HS Code 2921420090

 Synthetic Route

 Customs

HS Code 2921420090
Summary HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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 Synonyms

N-methyl-aniline
N-Methylaniline
N-methylphenylamine
N-methyl-N-phenylamine
N-Phenylmethylamine
MFCD00008283
Methylaniline
Monomethylaniline
EINECS 202-870-9
N-methyl-aminobenzene
N-Methylbenzenamine
Methylphenylamine
N-Monomethylaniline
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