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MSDS Material Safety Data Sheet
CAS

75-50-3

File Name: megs_ca---trimethylamine.asp
                                                               Tel: 514-956-7503
Fax: 514-956-7504
Internet: www.megs.ca
Email : support@megs.ca


Montreal St-Laurent Tel : 514-956-7503 Fax : 514-956-7504
Ottawa Nepean Tel : 613-226-4228 Fax : 613-226-4229
Quebec Quebec Tel : 418-834-7447 Fax : 418-834-3774
MSDS: Trimethylamine

PRODUCT INFORMATION
PRODUCT: Trimethylamine
TRADE NAME: Trimethylamine; TMA
CHEMICAL NAME: Trimethylamine; N,N-
Dimethylmethanamine
SYNONYMS: Trimethylamine, Anhydrous
FORMULA: (CH3)3N
CHEMICAL FAMILY: Alkyl Amine
SUPPLIER'S NAME: MEGS Inc.
SUPPLIER'S ADDRESS: 2675 De Miniac
Ville St-Laurent, Qc, H4S 1E5
EMERGENCY PHONE NUMBER: (514) 956-7503
MOLECULAR WEIGHT: 59.13
PRODUCT USE: Various
PRODUCT IDENTIFICATION UN 1083
NUMBER:
HAZARDOUS INGREDIENTS
CHEMICAL ID CONCENTRATION CAS # LD(50) LC(50)
100%
Trimethylamine 75-50-3 Ivn-Mus Ihl-Rat
3500 ppm/4 h
90 mg/kg




PHYSICAL DATA
PHYSICAL STATE: Gas and liquid under pressure
APPEARANCE: Colorless gas and liquid
ODOR: Strong, fishy, ammoniacal odor
ODOR THRESHOLD: Unknown
SPECIFIC GRAVITY (H 2O = 1): 0.654
VAPOR PRESSURE: 158 kPa
VAPOR DENSITY (air = 1): 2.04
EVAPORATION RATE: Unknown
BOILING POINT: 2.87掳C
FREEZING POINT: -117.1掳C
pH: Unknown
GAS DENSITY: 2.50 kg/m鲁 @ 15掳C, 101.3 kPa
COEFFICIENT OF WATER/OIL Very soluble in water
DISTRIBUTION:
FIRE OR EXPLOSION HAZARD
CONDITIONS OF FLAMMABILITY: Flammable over a wide range in air.
Aqueous solutions are also
flammable.

MEANS OF EXTINCTION: Water, carbon dioxide, dry chemical.
"Stop flow of gas before extinguishing
fire".
FLASHPOINT AND METHOD OF -7掳C cc
DETERMINATION:
UPPER EXPLOSION LIMIT (% BY VOL): 11.6
LOWER EXPLOSION LIMIT (% BY VOL): 2.0
AUTO-IGNITION TEMPERATURE: 190掳C
FLAMMABILITY CLASSIFICATION: Class 1, Group C
HAZARDOUS COMBUSTION Ammonia (possibly)
PRODUCTS:
EXPLOSION DATA: Yes, with strong oxidizing agents
SENSITIVITY TO STATIC DISCHARGE: Unknown



REACTIVITY DATA
CHEMICAL STABILITY: Stable
INCOMPATIBLE MATERIALS: Mercury, silver, copper and its
alloys, tin, nickel, zinc and its alloys,
oxidizing compounds, chlorine,
halogenated compounds.
CONDITIONS OF REACTIVITY: Ambient
HAZARDOUS DECOMPOSITION Ammonia, CO, CO2, hydrocarbon,
PRODUCTS: toxic oxides of N2, toxic amine
vapors.
TOXICOLOGICAL PROPERTIES
ROUTES OF ENTRY:

SKIN CONTACT: Very corrosive and irritating to the skin and eyes. Severe
destruction of tissue will result from prolonged exposure.

SKIN ABSORPTION: Unknown

EYE: See Skin Contact, above

INHALATION: Corrosive and irritating to the upper and lower respiratory tracts.
Mild concentrations may cause conjunctivitis or bronchitis; while higher
concentrations could result in chemical pneumonitis and pulmonary edema.
Inhalation may also cause shortness of breath, headache, nausea and vomiting.

INGESTION: Unknown

ACUTE OVER EXPOSURE EFFECTS: Trimethylamine is irritating and corrosive
to all living tissues. Toxic level exposure to dermal tissue causes severe burns.
High level concentrations are extremely destructive to the airway and eyes.
Inhalation may have fatal consequences as a result of spasm, inflammation and
edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Eye burns result in ulceration of the conjunctivae and cornea and may cause
destruction of all ocular tissues.

CHRONIC OVER EXPOSURE EFFECTS: Unknown

EXPOSURE LIMITS: TWA - 5 molar ppm; STEL = 15 molar ppm (ACGIH 1995-
1996)

IRRITANCY OF PRODUCT: See Skin and Eyes, above.

SENSITIZATION TO MATERIAL: None known

CARCINOGENICITY, REPRODUCTIVE EFFECTS: None known

TERATOGENICITY, MUTAGENICITY: None known

TOXICOLOGICALLY SYNERGISTIC PRODUCTS: None known


PREVENTIVE MEASURES

PERSONAL PROTECTIVE EQUIPMENT: Butyl rubber, PVC or polyethylene
gloves. Safety goggles or safety glasses and faceshield. Safety shoes, safety
shower, eyewash "fountain". Amine-resistant apron.
SPECIFIC ENGINEERING CONTROLS: Carbon steel, stainless steel and
Monel庐 are acceptable for use with trimethylamine. Most other are not
compatible particularly silver, copper and its alloys, tin, nickel and zinc and its
alloys. Lead is the preferred gasket material. Natural rubber, Buna S庐, Buna N庐
and cellulose acetate are not acceptable plastics or elastomers to use. Refer to
MEGS's Gas Encyclopedia for a more complete listing.

LEAK AND SPILL PROCEDURES: EVACUATE ALL PERSONNEL FROM
AFFECTED AREA.
Use appropriate protective equipment. If leak is in user's equipment, be certain to
purge piping with an inert gas prior to attempting repairs. If leak is on container or
container valve, contact the closest MEGS location.

WASTE DISPOSAL: Do not attempt to dispose of waste or unused quantities.
Return in the shipping container properly labeled, with any valve outlet plugs or
caps secured and valve protection cap in place to MEGS for proper disposal. For
emergency disposal, contact the closest MEGS location.

HANDLING PROCEDURES AND EQUIPMENT: USE ONLY IN WELL-
VENTILATED AREAS.
Valve protection caps must remain in place unless container is secured with
valve outlet piped to the point of use. Do not drag, slide or roll cylinders. Use a
suitable hand truck for cylinder movement. Use a pressure reducing regulator
when connecting cylinder to lower pressure piping or systems. Do not heat
cylinder by any means to increase the discharge rate of product from the
cylinder. Use a check valve or trap in the discharge line to prevent hazardous
back flow into the cylinder. Do not tamper with (valve) safety device. Close valve
after each use and when empty.

STORAGE REQUIREMENTS: Protect cylinders from physical damage. Store in
cool, dry, well-ventilated area of non combustible construction away from heavily
trafficked areas and emergency exits. Do not allow the temperature where
cylinders are stored to exceed 52掳C. Cylinders must be stored upright and firmly
secured to prevent falling or being knocked over. Full and empty cylinders should
be segregated. Use a "first in - first out" inventory system to prevent full cylinders
being stored for excessive periods of time. Post "No Smoking or Open Flames"
signs in the storage or use area. There should be no sources of ignition in the
storage or use area.

TDG CLASSIFICATION: 2.1

WHMIS CLASSIFICATION: A, B, D1, E

SPECIAL SHIPPING INFORMATION: Always secure cylinders in an upright
position before transporting them. NEVER transport cylinders in trunks of
vehicles, enclosed vans, truck cabs or in passenger compartments. Transport
cylinders secured in open flatbed or in open pick-up type vehicles.


FIRST AID MEASURES

SPECIFIC FIRST AID PROCEDURES: PROMPT MEDICAL ATTENTION IS
MANDATORY IN ALL CASES OF OVEREXPOSURE TO TRIMETHYLAMINE.
RESCUE PERSONNEL SHOULD BE EQUIPPED WITH SELF-CONTAINED
BREATHING APPARATUS AND BE COGNIZANT OF EXTREME FIRE AND
EXPLOSION HAZARD.

INHALATION: Conscious persons should be assisted to an uncontaminated
area and inhale fresh air. Quick removal from the contaminated area is most
important. Unconscious persons should be moved to an uncontaminated area,
given assisted resuscitation and supplemental oxygen. Further treatment should
be symptomatic and supportive.

EYE CONTACT: PERSONS WITH POTENTIEL EXPOSURE TO
TRIMETHYLAMINE SHOULD NOT WEAR CONTACT LENSES.

Flush contaminated eye(s) with copious quantities of water. Part eyelids to
assure complete flushing. Continue for a minimum of 15 minutes.

SKIN CONTACT: Flush affected area with copious quantities of water. Remove
affected clothing as rapidly as possible. A physician should see the patient and
be informed that the "burn" was caused by an alkaline solution. A weak (1-2%)
acetic solution or vinegar may be used as a counteractant.

PREPARATION INFORMATION

PREPARED BY: Safety Department

DATE PREPARED: 09/01/1999

LAST REVISION DATE: 05/21/2002

THE INFORMATION, RECOMMENDATIONS AND DATA CONTAINED IN THIS
DOCUMENT ARE INTENDED TO BE USED BY PROPERLY TRAINED AND
QUALIFIED PERSONNEL ONLY AND AT THEIR SOLE RISKS AND
DISCRETION. THE INFORMATION, RECOMMENDATIONS AND DATA
HEREIN CONTAINED ARE DERIVED FROM SOURCES WHICH WE BELIEVE
TO BE RELIABLE. HOWEVER, MEGS INC. MAKES NO REPRESENTATION
AND GIVES NO WARRANTY OF ANY KIND WHATSOEVER WITH RESPECT
TO THEIR ACCURACY OR COMPLETENESS AND ASSUMES NO LIABILITY
FOR DAMAGES OR LOSS ARISING DIRECTLY OR INDIRECTLY FROM
THEIR USE, WHETHER PROPER OR IMPROPER.

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