MATERIAL SAFETY DATA SHEET
PRODUCT NAME: DIMETHYLAMINE
1. Chemical Product and Company Identification
BOC Gases, BOC Gases
Division of Division of
The BOC Group, Inc. BOC Canada Limited
575 Mountain Avenue 5975 Falbourne Street, Unit 2
Murray Hill, NJ 07974 Mississauga, Ontario L5R 3W6
TELEPHONE NUMBER: (905) 501-1700
TELEPHONE NUMBER: (908) 464-8100
24-HOUR EMERGENCY TELEPHONE NUMBER: 24-HOUR EMERGENCY TELEPHONE NUMBER:
CHEMTREC (800) 424-9300 (905) 501-0802
EMERGENCY RESPONSE PLAN NO: 20101
PRODUCT NAME: DIMETHYLAMINE
CHEMICAL NAME: Dimethylamine
COMMON NAMES/SYNONYMS: DMA
TDG (Canada) CLASSIFICATION: 2.1 (8)
WHMIS CLASSIFICATION: A, E, B1
PREPARED BY: Loss Control (908)464-8100/(905)501-1700
PREPARATION DATE: 6/1/95
REVIEW DATE: 6/7/96
2. Composition, Information on Ingredients
PEL-OSHA1 TLV-ACGIH2
INGREDIENT % VOLUME LD50 or LC50
Route/Species
Dimethylamine > 99.0 10 ppm TWA 10 ppm TWA LC 50
FORMULA: C2H7N 4540 ppm/6HR
CAS: 124-40-3 (rat)
RTECS #: IP8750000
1
As stated in 29 CFR 1910, Subpart Z (revised July 1, 1993)
2
As stated in the ACGIH 1994-95 Threshold Limit Values for Chemical Substances and Physical Agents
3. Hazards Identification
EMERGENCY OVERVIEW
Irritant to eyes, skin, and respiratory tract. Contact with the liquid or high vapor concentrations causes
severe burns and may cause tissue destruction. Poison by ingestion. Highly flammable.
MSDS: G-29
Revised: 6/7/96 Page 1 of 7
PRODUCT NAME: DIMETHYLAMINE
ROUTE OF ENTRY:
Skin Contact Skin Absorption Eye Contact Inhalation Ingestion
Yes No Yes Yes Yes
HEALTH EFFECTS:
Exposure Limits Irritant Sensitization
Yes Yes No
Teratogen Reproductive Hazard Mutagen
No No No
Synergistic Effects
None Reported
Carcinogenicity: -- NTP: No IARC: No OSHA: No
EYE EFFECTS:
Corrosive and irritating to the eyes. Mild concentrations can cause conjunctivitis. Contact with the liquid or
high concentrations of vapor causes painful burns and ulcerations. Burns to the eyes may result in ulcerations of
the conjunctivae and cornea and may cause destruction of all ocular tissue.
SKIN EFFECTS:
Corrosive and irritating to the skin and all living tissue. Toxic level exposure to dermal tissue causes severe
burns. Severe destruction of tissue may result from prolonged exposure.
INGESTION EFFECTS:
Dimethylamine is a poison by ingestion. No other specific information provided.
INHALATION EFFECTS:
Corrosive and irritating to the upper and lower respiratory tract. High level concentrations are extremely
destructive to the airway and could result in chemical pneumonitis and pulmonary edema. Inhalation may also
cause shortness of breath, headache, nausea and vomiting. Severe destruction of tissues will result from
prolonged exposure.
Inhalation may have fatal consequences as a result of spasm, inflammation, and edema of the larynx and bronchi.
NFPA HAZARD CODES HMIS HAZARD CODES RATINGS SYSTEM
Health: 3 Health: 3 0 = No Hazard
Flammability: 4 Flammability: 4 1 = Slight Hazard
Reactivity: 0 Reactivity: 0 2 = Moderate Hazard
3 = Serious Hazard
4 = Severe Hazard
4. First Aid Measures
EYES:
PERSONS WITH POTENTIAL EXPOSURE SHOULD NOT WEAR CONTACT LENSES. Flush
contaminated eyes with copious quantities of water. Part eyelids to assure complete flushing. Continue for a
minimum of 15 minutes. Seek immediate medical attention.
MSDS: G-29
Revised: 6/7/96 Page 2 of 7
PRODUCT NAME: DIMETHYLAMINE
SKIN:
Remove contaminated clothing as rapidly as possible. Flush affected area with copious quantities of water.
Seek immediate medical attention. A physician should be informed that the "burn" was caused by an alkaline
solution. A weak (1-2%) acetic acid solution or vinegar may be used to counteract.
INGESTION:
No information given. Seek immediate medical attention.
INHALATION:
PROMPT MEDICAL ATTENTION IS MANDATORY IN ALL CASES OF OVEREXPOSURE. RESCUE
ERSONNEL SHOULD BE EQUIPPED WITH SELF-CONTAINED BREATHING APPARATUS. Victims
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, and if breathing has stopped,
administer artificial resuscitation and supplemental oxygen. Further treatment should be symptomatic and
supportive.
5. Fire Fighting Measures
Conditions of Flammability: Flammable vapor
Flash point: Method: Autoignition
-58 oF (-50 oC) Temperature: 752 oF (400 oC)
Closed Cup
LEL(%): 2.8 UEL(%): 14.4
Hazardous combustion products: None
Sensitivity to mechanical shock: Not Available
Sensitivity to static discharge: Not Available
FIRE AND EXPLOSION HAZARDS:
Dimethylamine is heavier than air and may travel a considerable distance to a source of ignition. Should flame
be extinguished and flow of gas continue, increase ventilation to prevent flammable mixture formation in low
areas or pockets.
EXTINGUISHING MEDIA:
Water, carbon dioxide, dry chemical.
FIRE FIGHTING INSTRUCTIONS:
Fire fighters should wear self-contained breathing apparatus and butyl rubber boots. If possible, stop the flow of
dimethylamine. Use water spray to cool surrounding containers. If water is used as extinguishing media,
recognize that aqueous solutions of dimethylamine are also flammable.
6. Accidental Release Measures
Evacuate all personnel from affected area. Use appropriate protective equipment. If leak is in user鈥檚 equipment,
be certain to purge piping with inert gas prior to attempting repairs. If leak is in container or container valve,
contact the appropriate emergency telephone number listed in Section 1 or call your closest BOC location.
MSDS: G-29
Revised: 6/7/96 Page 3 of 7
PRODUCT NAME: DIMETHYLAMINE
7. Handling and Storage
Electrical classification:
Group B, Class 1.
Carbon steel, stainless steel and Monel 庐 are acceptable for use with Dimethylamine. Most other metals 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.
Earth ground and bond all lines and equipment associated with the dimethylamine system. Electrical equipment
should be non-sparking or explosion proof.
Use only in well-ventilated areas. Valve protection caps must remain in place unless container is secured with
valve outlet piped to use point. 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 (<100 psig) piping or
systems. Do not heat cylinder by any means to increase rate of product from the cylinder. Use a check valve or
trap in the discharge line to prevent hazardous back flow into cylinder.
Protect cylinders from physical damage. Store in cool, dry, well-ventilated areas of non-combustible
construction away from heavily trafficked areas and emergency exits. Do not allow the temperature where
cylinders are stored to exceed 130oF (54oC). Cylinders should be stored upright and firmly secured to prevent
falling or being knocked over. Full & empty cylinders should be segregated. Use a "first in-first out" inventory
system to prevent full cylinders from being stored for excessive periods of time. Post "NO SMOKING OR
OPEN FLAMES" signs in the storage area or use area. There should be no sources of ignition in the storage or
use area.
For additional storage recommendations, consult Compressed Gas Association鈥檚 Pamphlet P-1.
Never carry a compressed gas cylinder or a container of a gas in cryogenic liquid form in an enclosed space such
as a car trunk, van or station wagon. A leak can result in a fire, explosion, asphyxiation or a toxic exposure.
8. Exposure Controls, Personal Protection
EXPOSURE LIMITS1:
PEL-OSHA2 TLV-ACGIH3
INGREDIENT % VOLUME LD50 or LC50
Route/Species
Dimethylamine > 99.0 10 ppm TWA 10 ppm TWA LC 50
FORMULA: C2H7N 4540 ppm/6HR
CAS: 124-40-3 (rat)
RTECS #: IP8750000
1
Refer to individual state of provincial regulations, as applicable, for limits which may be more stringent than
those listed here.
2
As stated in 29 CFR 1910, Subpart Z (revised July 1, 1993)
3
As stated in the ACGIH 1994-1995 Threshold Limit Values for Chemical Substances and Physical Agents.
ENGINEERING CONTROLS:
Hood with forced ventilation. Use local exhaust ventilation to prevent accumulation above the exposure limit.
EYE/FACE PROTECTION:
Safety goggles or glasses.
SKIN PROTECTION:
MSDS: G-29
Revised: 6/7/96 Page 4 of 7
PRODUCT NAME: DIMETHYLAMINE
Butyl rubber, PVC or polyethylene.
RESPIRATORY PROTECTION:
Air purifying respirators must be equipped with suitable cartridges. Do not exceed maximum use
concentrations. Do not use air purifying respirators in an oxygen deficient/immediately dangerous to life and
health (IDLH) atmospheres. Consult manufacturers instructions before use. Level C respiratory protection with
full face full-face mask and escape bottle or a self-contained breathing apparatus should be available for
emergency use. Operate this equipment in the positive pressure demand mode.
OTHER/GENERAL PROTECTION:
Safety shoes, safety shower, eyewash "fountain", face shield and polyethylene, PVC or butyl rubber apron.
9. Physical and Chemical Properties
PARAMETER VALUE UNITS
Physical state (gas, liquid, solid) : Gas or Liquid
Vapor pressure @ 70 oF: : 25.7 psia
Vapor density @ STP (Air = 1) : 1.59
Evaporation point : Not Available
o
Boiling point : 44.4 F
o
C
: 6.9
o
Freezing point : - 133.9 F
o
: - 92.2 C
pH : Not Available
Specific gravity : Not Available
Oil/water partition coefficient : Not Available
Solubility (H20) : Soluble
Odor threshold : Not Available
Odor and appearance : Strong, fishy, ammoniacal odor; Colorless liquid
or gas.
10. Stability and Reactivity
STABILITY:
Stable
INCOMPATIBLE MATERIALS:
Mercury, silver, copper and its alloys, tin, commercial nickel, zInc. and its alloys. Reacts violently with
oxidizing agents such as perchlorates, nitrates, permanganates, nitric acid, chromates, halogens and peroxides.
HAZARDOUS DECOMPOSITION PRODUCTS:
Ammonia. Contact with mercury may produce explosive compounds.
HAZARDOUS POLYMERIZATION:
Will not occur.
MSDS: G-29
Revised: 6/7/96 Page 5 of 7
PRODUCT NAME: DIMETHYLAMINE
11. Toxicological Information
Oral LD50 = 698 mg/kg (aqueous solution in rats)
Inhalation LC50 = 4,000 ppm/hr (in rats)
12. Ecological Information
No data given.
13. Disposal Considerations
Do not attempt to dispose of residual 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 BOC Gases or authorized distributor for proper disposal.
14. Transport Information
PARAMETER United States DOT Canada TDG
Dimethylamine, Anhydrous Dimethylamine, Anhydrous
PROPER SHIPPING NAME:
2.1 2.1 (8)
HAZARD CLASS:
UN 1032 UN 1032
IDENTIFICATION NUMBER:
FLAMMABLE GAS FLAMMABLE GAS, CORROSIVE
SHIPPING LABEL:
Additional Marking Requirement: If net weight of product > 1000 pounds, the container must be also
marked with the letters 鈥淩Q鈥?.
Additional Shipping Paper Description Requirement: If net weight of product > 1000 pounds, the shipping
papers must be also marked with the letters 鈥淩Q鈥?.
15. Regulatory Information
Dimethylamine is listed under the accident prevention provisions of section 112(r) of the Clean Air Act (CAA)
with a threshold quantity (TQ) of 10,000 pounds.
SARA TITLE III NOTIFICATIONS AND INFORMATION
Releases of dimethylamine in quantities equal to or greater than the reportable quantity (RQ) of 1,000 pounds
are subject to reporting to the National Response Center under CERCLA, Section 304 SARA Title III.
SARA TITLE III - SECTION 313 SUPPLIER NOTIFICATION:
This product contains the following toxic chemicals subject to the reporting requirements of section 313 of the
Emergency Planning and Community Right-To-Know Act (EPCRA) of 1986 and of 40 CFR 372:
CAS NUMBER INGREDIENT NAME PERCENT BY VOLUME
124-40-3 Dimethylamine > 99
This information must be included on all MSDSs that are copied and distributed for this material.
SARA TITLE III - HAZARD CLASSES:
MSDS: G-29
Revised: 6/7/96 Page 6 of 7
PRODUCT NAME: DIMETHYLAMINE
Acute Health Hazard
Fire Hazard
Sudden Release of Pressure Hazard
16. Other Information
Compressed gas cylinders shall not be refilled without the express written permission of the owner. Shipment of
a compressed gas cylinder which has not been filled by the owner or with his/her (written) consent is a violation
of transportation regulations.
DISCLAIMER OF EXPRESSED AND IMPLIED WARRANTIES:
Although reasonable care has been taken in the preparation of this document, we extend no warranties and make
no representations as to the accuracy or completeness of the information contained herein, and assume no
responsibility regarding the suitability of this information for the user鈥檚 intended purposes or for the
consequences of its use. Each individual should make a determination as to the suitability of the information for
their particular purpose(s).
MSDS: G-29
Revised: 6/7/96 Page 7 of 7
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