METHYLAMINE
CAS No.: 74-89-5
Synonyms:
Formula: CH5N
Exact Mass: 31.04220
Molecular Weight: 31.05710
PSA: 26.02000
LogP: 0.27520
METHYLAMINE 74-89-5 MSDS
Name: Methylamine 25/30% w/v Solution in Water Material Safety Data Sheet
Synonym: Aminomethane; Methanamine; Monomethylamine
CAS: 74-89-5
Section 1 - Chemical Product   MSDS Name:Methylamine 25/30% w/v Solution in Water Material Safety Data Sheet
Synonym:Aminomethane; Methanamine; Monomethylamine

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
74-89-5 Methylamine 25-30 200-820-0
Hazard Symbols: F C
Risk Phrases: 11 20/22 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Highly flammable. Harmful by inhalation and if swallowed. Causes burns.Corrosive.
Potential Health Effects
Eye:
Causes eye burns. May result in corneal injury. May cause chemical conjunctivitis and corneal damage. May cause tearing, conjunctivitis and corneal edema when vapor is absorbed into the tissue of the eye.
Skin:
Causes skin burns. May be absorbed through the skin. May cause dermatitis.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract. May cause pulmonary edema and severe respiratory disturbances. May cause liver abnormalities.
Chronic:
Effects may be delayed.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors may form an explosive mixture with air.
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Runoff to sewer may create fire or explosion hazard.
Extremely flammable liquid and vapor. Vapor may cause flash fire.
Approach fire from upwind to avoid hazardous vapors and toxic decomposition products. Vapors are heavier than air and may travel to a source of ignition and flash back. Vapors can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Use water spray, dry chemical, or "alcohol resistant" foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Avoid runoff into storm sewers and ditches which lead to waterways.
Wear a self contained breathing apparatus and appropriate personal protection. (See Exposure Controls, Personal Protection section).
Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Do not use combustible materials such as sawdust. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Approach spill from upwind. Use only non-sparking tools and equipment. Use water spray to cool and disperse vapors, protect personnel, and dilute spills to form nonflammable mixtures. 5% sulfuric acid may be used to neutralize diluted pools.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Discard contaminated shoes. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Do not breathe vapor. Use only with adequate ventilation.
Keep away from heat, sparks and flame. Pipes, fittings, pumps, gauges, and other equipment should be made of steel or other material not subject to corrosion by methylamine. Methylamine may attack aluminum, copper, tin, zinc, lead and their alloys as well as rubber and some plastics.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. Keep away from acids.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits. Ventilation fans and other electrical service must be non-sparking and have an explosion-proof design.
Exposure Limits CAS# 74-89-5: United States OSHA: 10 ppm TWA; 12 mg/m3 TWA Belgium - TWA: 5 ppm VLE; 6.6 mg/m3 VLE Belgium - STEL: 15 ppm VLE; 19 mg/m3 VLE France - VLE: 10 ppm VLE; 12 mg/m3 VLE Germany: 10 ppm TWA; 13 mg/m3 TWA Japan: 10 ppm OEL; 13 mg/m3 OEL Malaysia: 5 ppm TWA; 6.4 mg/m3 TWA Netherlands: 15 ppm STEL; 19 mg/m3 STEL Netherlands: 5 ppm MAC; 6.4 mg/m3 MAC Russia: 1 mg/m3 TWA Spain: 5 ppm VLA-ED; 6.5 mg/m3 VLA-ED Spain: 15 ppm VLA-EC; 19 mg/m3 VLA-EC CAS# 7732-18-5: Personal Protective Equipment Eyes: Wear chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear, colorless
Odor: fishy ammonical
pH: >base than ammonia
Vapor Pressure: 485 mm Hg @20 deg C
Viscosity: Not available.
Boiling Point: 48 deg C @ 760 mm Hg
Freezing/Melting Point: -38 deg C
Autoignition Temperature: 430 deg C ( 806.00 deg F)
Flash Point: -18 deg C ( -0.40 deg F)
Explosion Limits, lower: 4.90 vol %
Explosion Limits, upper: 20.70 vol %
Decomposition Temperature: Not available.
Solubility in water: Soluble.
Specific Gravity/Density: .9000g/cm3
Molecular Formula: CH5N
Molecular Weight: 31.06

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Ignition sources, excess heat, attacks aluminum, copper, lead, tin, zinc and alloys.
Incompatibilities with Other Materials:
Oxidizing agents, acids, aluminum, copper, copper alloys, halogenated agents, perchlorates, zinc, mercury, nitromethane, chlorine, hypochlorite, zinc alloys.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, ammonia and/or derivatives, amines.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 74-89-5: PF6300000 CAS# 7732-18-5: ZC0110000 LD50/LC50:
CAS# 74-89-5: Inhalation, mouse: LC50 = 2400 mg/m3/2H; Inhalation, rat: LC50 = 448 ppm/2.5H; Oral, rat: LD50 = 100 mg/kg.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
Carcinogenicity:
Methylamine - Not listed by ACGIH, IARC, or NTP.
Water - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: METHYLAMINE, AQUEOUS SOLUTION
Hazard Class: 3
UN Number: 1235
Packing Group: II
IMO
Shipping Name: METHYLAMINE, AQUEOUS SOLUTION
Hazard Class: 3
UN Number: 1235
Packing Group: II
RID/ADR
Shipping Name: METHYLAMINE, AQUEOUS SOLUTION
Hazard Class: 3
UN Number: 1235
Packing group: II
USA RQ: CAS# 74-89-5: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 20/22 Harmful by inhalation and if swallowed.
R 34 Causes burns.
Safety Phrases:
S 3 Keep in a cool place.
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 29 Do not empty into drains.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 74-89-5: 2
CAS# 7732-18-5: No information available.
Canada
CAS# 74-89-5 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 74-89-5 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 74-89-5 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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