N,N-Dimethylaniline

Modify Date: 2025-08-22 22:19:44

N,N-Dimethylaniline Structure
N,N-Dimethylaniline structure
 Common Name N,N-Dimethylaniline
CAS Number 121-69-7 Molecular Weight 121.180
Density 1.0±0.1 g/cm3 Boiling Point 193.5±0.0 °C at 760 mmHg
Molecular Formula C8H11N Melting Point 1.5-2.5 °C(lit.)
MSDS Chinese USA Flash Point 62.8±0.0 °C
Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09		 Signal Word Danger

 Names

Name N,N-dimethylaniline
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 193.5±0.0 °C at 760 mmHg
Melting Point 1.5-2.5 °C(lit.)
Molecular Formula C8H11N
Molecular Weight 121.180
Flash Point 62.8±0.0 °C
Exact Mass 121.089149
PSA 3.24000
LogP 2.33
Vapour density 3 (vs air)
Vapour Pressure 0.5±0.3 mmHg at 25°C
Index of Refraction 1.550
Stability Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides, chloroformates, halogens. Combustible.
Water Solubility 1 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BX4725000
CHEMICAL NAME :
Aniline, N,N-dimethyl-
CAS REGISTRY NUMBER :
121-69-7
LAST UPDATED :
199712
DATA ITEMS CITED :
58
MOLECULAR FORMULA :
C8-H11-N
MOLECULAR WEIGHT :
121.20
WISWESSER LINE NOTATION :
1N1&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation 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 :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting Gastrointestinal - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1410 uL/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 :
250 mg/m3/4H
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - excitement
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 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 - mouse
DOSE/DURATION :
350 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 :
1770 uL/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 :
32500 mg/kg/13W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes Blood - changes in spleen Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
16250 mg/kg/13W-I
TOXIC EFFECTS :
Liver - other changes Blood - changes in bone marrow (not otherwise specified) Blood - changes in spleen
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10700 ug/m3/5H/17W-I
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells Blood - methemoglobinemia-carboxyhemoglobin Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
300 ug/m3/24H/14W-C
TOXIC EFFECTS :
Behavioral - muscle contraction or spasticity Blood - methemoglobinemia-carboxyhemoglobin Blood - changes in erythrocyte (RBC) count
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
32500 mg/kg/13W-I
TOXIC EFFECTS :
Blood - changes in spleen
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
32500 mg/kg/13W-I
TOXIC EFFECTS :
Liver - other changes Kidney, Ureter, Bladder - other changes Blood - changes in spleen
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
15450 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Endocrine - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
15450 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Endocrine - tumors
TYPE OF TEST :
DNA damage
TYPE OF TEST :
DNA damage

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 13,60,1989 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen 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-STEL 50 mg/m3 (10 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 ACGIH TLV-TWA 25 mg/m3 (5 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 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,337,1993 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,337,1993 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,337,1993 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):8H TWA 5 ppm (25 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 5 ppm (25 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 5 ppm (25 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 5 ppm (25 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-AUSTRALIA:TWA 5 ppm (25 mg/m3);STEL 10 ppm (50 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 5 ppm (25 mg/m3);STEL 10 ppm (50 mg/m3);Skin JAN 1993 OEL-DENMARK:TWA 5 ppm (25 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 5 ppm (25 mg/m3);STEL 10 ppm (50 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 5 ppm (25 mg/m3);Skin JAN 1993 OEL-GERMANY:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-HUNGARY:TWA 5 mg/m3;STEL 10 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (25 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-POLAND:TWA 5 mg/m3 JAN 1993 OEL-RUSSIA:STEL 0.2 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (25 mg/m3);STEL 10 ppm (50 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (25 mg/m3);STEL 10 ppm;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 DIMETHYLANILINE-air:10H TWA 5 ppm (Sk);STEL 10 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 : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26335 No. of Facilities: 100 (estimated) No. of Industries: 4 No. of Occupations: 10 No. of Employees: 2456 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26335 No. of Facilities: 1428 (estimated) No. of Industries: 15 No. of Occupations: 27 No. of Employees: 30480 (estimated) No. of Female Employees: 7448 (estimated)

 Safety Information

Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301 + H311 + H331-H351-H411
Precautionary Statements P261-P273-P280-P301 + P310 + P330-P302 + P352 + P312-P403 + P233
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;R40;R51/53
Safety Phrases S53-S45-S61-S36/37-S28A-S28
RIDADR UN 2253 6.1/PG 2
WGK Germany 3
RTECS BX4725000
Packaging Group II
Hazard Class 6.1
HS Code 2921492000

 Synthetic Route

 Customs

HS Code 2921492000
Summary 2921492000 n,n-dimethylaniline。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:20.0%

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 Synonyms

N,N-Dimethylbenzeneamine
aniline, N,N-dimethyl-
dimethylphenylamine
dimethylaniline
Benzenamine,N,N-dimethyl
N,N-Dimethylbenzenamine
N,N-Dimethylphenylamine
MFCD00008304
N,N-Dimethylaniline
Aniline,N,N-dimethyl
phenyldimethylamine
Benzenamine, N,N-dimethyl-
Dimethylaniline, N,N-
N,N-dimethyl-Benzenamine
Dimethylaniline, N-N-
N,N-DIMETHYL-ANILINE
EINECS 204-493-5
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