Product Identification

Product Name

N,N,N-trimethylmethanaminium chloride

Synonyms

Methanaminium, N,N,N-trimethyl-, chloride
Tetramethylammonium chloride
Tetramethylazanium chloride

CAS

75-57-0

Formula

C4H12ClN

Molecular Weight

109.6

EINECS

200-880-8

RTECS

BS7700000

RTECS Class

Drug

Beilstein/Gmelin

2496575

EC Class

toxic

Physical and Chemical Properties

Appearance

White to off-white crystals.

Solubility in water

Freely soluble

Melting Point

> 300

Density

1.169 g/cm3 (20C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale.

Hazards Identification

Ingestion

May be fatal if swallowed. May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.

Inhalation

Causes respiratory tract irritation. May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 21 25 36/37/38

EC Safety Phrase

S 22 36/37/39 45

UN (DOT)

2811

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Poison Class

3

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

9

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents and moisture.

Decomposition

Carbon monoxide, carbon dioxide, nitric oxide (NOx) and ammonia (NH3) fumes, chlorine.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2811

Hazard Class

6.1

Packing Group

I; II; III

HS Code

2923 90 00