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NIOSH

TRIETHYLAMINE

ICSC: 0203

N,N-Diethylethanamine
C6H15N / (C2H5)3N
Molecular mass: 101.2
ICSC # 0203 		CAS # 121-44-8
RTECS # YE0175000
UN # 1296
EC # 612-004-00-5
October 10, 2002 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Highly flammable. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames, NO sparks, and NO smoking.
Alcohol-resistant foam, powder, carbon dioxide
EXPLOSION Vapour/air mixtures are explosive.
Closed system, ventilation, explosion-proof electrical equipment and lighting.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
AVOID ALL CONTACT!

•INHALATION Cough. Sore throat. Shortness of breath. Laboured breathing. Headache. Dizziness. Weakness. Nausea. Symptoms may be delayed (see Notes).
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
•SKIN Redness. Skin burns. Pain.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
•EYES Pain. Redness. Blurred vision. Blue haze and halo. Temporary loss of vision. Severe deep burns.
Face shield, or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Abdominal pain. Burning sensation. Shock or collapse.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Give one or two glasses of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Remove all ignition sources. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT let this chemical enter the environment.
Fireproof. Separated from incompatible materials , and food and feedstuffs . See Chemical Dangers.
Do not transport with food and feedstuffs.
F symbol
C symbol
R: 11-20/21/22-35
S: 1/2-3-16-26-29-36/37/39-45
UN Hazard Class: 3
UN Subsidiary Risks: 8
UN Packing Group: II
ICSC: 0203 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

TRIETHYLAMINE

ICSC: 0203

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D

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PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air and may travel along the ground; distant ignition possible.

CHEMICAL DANGERS:
The substance decomposes on burning producing irritating and toxic gases including nitrogen oxides . The substance is a strong base, it reacts violently with acid and is corrosive to aluminium, zinc, copper and their alloys in the presence of moisture. Reacts violently with strong oxidants causing fire and explosion hazard. Attacks some forms of plastic, rubber and coating.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: ( as TWA ) 1 ppm; ( as STEL ) 3 ppm; (skin), A4; (ACGIH 2002).
EU OEL: 2 ppm, 8.4 mg/m3 ( as TWA ); 3 ppm, 12.6 mg/m3 ( as STEL ); (skin); (EU 2000).
OSHA PEL†: TWA 25 ppm (100 mg/m3)
NIOSH REL: See Appendix D
NIOSH IDLH: 200 ppm See: 121448


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

INHALATION RISK:
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is corrosive to the eyes, the skin and the respiratory tract. Corrosive on ingestion. Inhalation of the substance may cause lung oedema (see Notes). The effects may be delayed. Medical observation is indicated. The substance may cause effects on the central nervous system .

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 89°C
Melting point: -115°C
Relative density (water = 1): 0.7
Solubility in water, g/100 ml at 20°C: 17
(
good
)
Vapour pressure, kPa at 20°C: 7.2
Relative vapour density (air = 1): 3.5
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2
Flash point: -17°C c.c.
Auto-ignition temperature: 230°C
Explosive limits, vol% in air: 1.2-8
Octanol/water partition coefficient as log Pow: 1.45

ENVIRONMENTAL
DATA

The substance is harmful to aquatic organisms.

N O T E S

The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. The odour warning when the exposure limit value is exceeded is insufficient.
Transport Emergency Card: TEC (R)-30S1296

NFPA Code: H3; F3; R0
Card has been partially updated in July 2007: see Occupational Exposure Limits, Ingestion First Aid, Fire fighting.

ADDITIONAL INFORMATION



ICSC: 0203 TRIETHYLAMINE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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