SIGMA-ALDRICH 
Material Safety Data Sheet 
Date Printed: 09/OCT/2003 
Date Updated: 05/APR/2002 
Version 1.0 
According to 91/155/EEC 
1 - Product and Company Information 
Product Name N,N-DIETHYLANILINE, 98% 
Product Number 468649 
Company Sigma-Aldrich Chemie GmbH 
Riedstrasse 2 
89555 Steinheim 
Germany 
Technical Phone # 49-89-6513(0)-1444 
Fax 49-7329-97-2319 
Emergency Phone # 49 7329 97 2323 
2 - Composition/Information on Ingredients 
Product Name CAS # EC no 
N,N-DIETHYLANILINE 91-66-7 202-088-8 
Formula C10H15N 
Molecular Weight 149.24 AMU 
Synonyms Benzenamine, N,N-diethyl- (9CI),N, 
N-Diethylaminobenzene,Diaethylanilin (German),N, 
N-Diethylanilin (Czech),Diethylaniline,N, 
N-Diethylbenzenamine,Diethylphenylamine 
3 - Hazards Identification 
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT 
Toxic by inhalation, in contact with skin and if swallowed. Danger 
of cumulative effects. Toxic to aquatic organisms, may cause 
long-term adverse effects in the aquatic environment. 
4 - First Aid Measures 
AFTER INHALATION 
If inhaled, remove to fresh air. If not breathing give 
artificial respiration. If breathing is difficult, give oxygen. 
5 - Fire Fighting Measures 
EXTINGUISHING MEDIA 
Suitable: Carbon dioxide, dry chemical powder, or appropriate 
foam. 
SPECIAL RISKS 
Specific Hazard(s): Emits toxic fumes under fire conditions. 
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS 
Wear self-contained breathing apparatus and protective clothing 
to prevent contact with skin and eyes. 
6 - Accidental Release Measures
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL 
Evacuate area. 
PROCEDURE(S) OF PERSONAL PRECAUTION(S) 
Wear self-contained breathing apparatus, rubber boots, and heavy 
rubber gloves. 
METHODS FOR CLEANING UP 
Absorb on sand or vermiculite and place in closed containers for 
disposal. 
7 - Handling and Storage 
HANDLING 
Directions for Safe Handling: Do not breathe vapor. Do not get 
in eyes, on skin, on clothing. Avoid prolonged or repeated 
exposure. 
STORAGE 
Conditions of Storage: Keep tightly closed. Store in a cool dry 
place. 
8 - Exposure Controls / Personal Protection 
ENGINEERING CONTROLS 
Safety shower and eye bath. Use only in a chemical fume hood. 
GENERAL HYGIENE MEASURES 
Wash thoroughly after handling. Wash contaminated clothing before 
reuse. 
9 - Physical and Chemical Properties 
Appearance Color: Yellow-green 
Form: Clear liquid 
Property Value At Temperature or Pressure 
pH N/A 
BP/BP Range 94 - 95 °C 11 mmHg 
MP/MP Range -38 °C 
Flash Point 88 °C Method: closed cup 
Flammability N/A 
Autoignition Temp 630 °C 
Oxidizing Properties N/A 
Explosive Properties N/A 
Explosion Limits N/A 
Vapor Pressure 10 mmHg 92.4 °C 
SG/Density 0.933 g/cm3 
Partition Coefficient N/A 
Viscosity N/A 
Vapor Density 5.2 g/l 
Saturated Vapor Conc. N/A 
Evaporation Rate N/A 
Bulk Density N/A 
Decomposition Temp. N/A 
Solvent Content N/A 
Water Content N/A 
Surface Tension N/A 
Conductivity N/A 
Miscellaneous Data N/A 
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Solubility N/A 
10 - Stability and Reactivity 
STABILITY 
Materials to Avoid: Strong oxidizing agents, Strong acids. 
HAZARDOUS DECOMPOSITION PRODUCTS 
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide. 
11 - Toxicological Information 
RTECS NUMBER: BX3400000 
ACUTE TOXICITY 
LC50 
Inhalation 
Rat 
1,920 mg/m3 
4H 
LD50 
Intraperitoneal 
Rat 
420 MG/KG 
SIGNS AND SYMPTOMS OF EXPOSURE 
Absorption into the body leads to the formation of methemoglobin 
which in sufficient concentration causes cyanosis. Onset may be 
delayed 2 to 4 hours or longer. Exposure can cause: To the best 
of our knowledge, the chemical, physical, and toxicological 
properties have not been thoroughly investigated. 
ROUTE OF EXPOSURE 
Skin Contact: Causes skin irritation. 
Skin Absorption: Readily absorbed through skin. 
Multiple Routes: May be fatal if inhaled, swallowed, or absorbed 
through skin. Vapor or mist is irritating to the eyes, mucous 
membranes, and upper respiratory tract. 
CHRONIC EXPOSURE - MUTAGEN 
Hamster 
3 UMOL/L 
Cell Type: ovary 
Sister chromatid exchange 
12 - Ecological Information 
No data available. 
13 - Disposal Considerations 
SUBSTANCE DISPOSAL 
Observe all federal, state, and local environmental regulations. 
14 - Transport Information 
RID/ADR 
UN#: 2432 
Class: 6.1 
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PG: III 
Proper Shipping Name: N,N-Diethylaniline 
IMDG 
UN#: 2432 
Class: 6.1 
PG: III 
EmS Number: 6.1-02 
MFAG Number: 335 
Proper Shipping Name: N,N-Diethylaniline 
Marine Pollutant: No 
Severe Marine Pollutant: No 
IATA 
UN#: 2432 
Class: 6.1 
PG: III 
Proper Shipping Name: N,N-Diethylaniline 
Inhalation Packing Group I: No 
15 - Regulatory Information 
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES 
INDICATION OF DANGER: T N 
Toxic. Dangerous for the environment. 
R-PHRASES: 23/24/25 33 51/53 
Toxic by inhalation, in contact with skin and if swallowed. 
Danger of cumulative effects. Toxic to aquatic organisms, may 
cause long-term adverse effects in the aquatic environment. 
S-PHRASES: 28 37 45 61 
After contact with skin, wash immediately with plenty of 
soap-suds. Wear suitable gloves. In case of accident or if you 
feel unwell, seek medical advice immediately (show the label 
where possible). Avoid release to the environment. Refer to 
special instructions/safety data sheets. 
COUNTRY SPECIFIC INFORMATION 
Germany 
VbF: A III 
WGK: 2 
SWITZERLAND 
SWISS POISON CLASS: 3 
16 - Other Information 
WARRANTY 
The above information is believed to be correct but does not 
purport to be all inclusive and shall be used only as a guide. 
Sigma-Aldrich Inc., shall not be held liable for any damage 
resulting from handling or from contact with the above product. 
See reverse side of invoice or packing slip for additional terms 
and conditions of sale. Copyright 2003 Sigma-Aldrich Co. License 
granted to make unlimited paper copies for internal use only. 
DISCLAIMER 
For R&D use only. Not for drug, household or other uses. 
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