HEXADECYLTRIMETHYLAMMONIUM CHLORIDE

Colorless to pale yellow liquid with an odor of rubbing alcohol. Floats or sinks in water. (USCG, 1999)

none

No rapid reaction with air. No rapid reaction with water.

Special Hazards of Combustion Products: Irritating fumes of hydrogen chloride may form in fires.

Behavior in Fire: Solvent vapors are heavier than air and may travel to a source of ignition and flash back. (USCG, 1999)

Ingestion may produce toxic effects. Contact with eyes or skin may cause severe damage. (USCG, 1999)

HEXADECYLTRIMETHYLAMMONIUM CHLORIDE is a quaternary ammonium compound. Therefore it has a permanently charged nitrogen atom with four alkyl or aryl groups on it. Compounds in this group are generally soluble in water and are near pH 7 (neutral). They do not undergo the acid-base reactions typical of primary, secondary, or tertiary ammonium ions.

Quaternary ammonium salts often serve as catalysts in reactions. They are incompatible with many strong oxidizers and reducing agents, such as metal hydrides, alkali/active metals, and organometallics.

• Non-Redox-Active Inorganic Compounds
• Quaternary Ammonium and Phosphonium Salts

No information available.

Excerpt from 171 [Substances (Low to Moderate Hazard)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.

FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2020)

Fire Extinguishing Agents Not to Be Used: Water may be ineffective

Fire Extinguishing Agents: Dry chemical, alcohol foam, carbon dioxide (USCG, 1999)

Excerpt from 171 [Substances (Low to Moderate Hazard)]:

Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent dust cloud. For Asbestos, avoid inhalation of dust. Cover spill with plastic sheet or tarp to minimize spreading. Do not clean up or dispose of, except under supervision of a specialist.

SMALL DRY SPILL: With clean shovel, place material into clean, dry container and cover loosely; move containers from spill area.

SMALL SPILL: Pick up with sand or other non-combustible absorbent material and place into containers for later disposal.

LARGE SPILL: Dike far ahead of liquid spill for later disposal. Cover powder spill with plastic sheet or tarp to minimize spreading. Prevent entry into waterways, sewers, basements or confined areas. (ERG, 2020)

Goggles or face shield; rubber gloves (USCG, 1999)

No information available.

INGESTION: do NOT induce vomiting; drink large quanities of fluid and call a physician immediately.

EYES: flush with water for at least 15 min. and call a physician.

SKIN: flush with water. (USCG, 1999)

• CETYLTRIMETHYLAMMONIUM CHLORIDE SOLUTION
• HEXADECYLTRIMETHYLAMMONIUM CHLORIDE