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DHTDMAC (with 15% Isopropanol) ICSC: 1518
Date of Peer Review: April 2004

Dihydrogenated tallow dimethyl ammonium chloride
1-Octadecanaminium, N,N-dimethyl-N-octadecyl chloride
Quarternary ammonium compound, bis(hydrogenated tallow alkyl) dimethyl chloride
CAS # 61789-80-8 ca. C36.4H76.8NCl
RTECS # UZ2997000 Molecular mass: ca. 567-573
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Flammable.
NO open flames, NO sparks, and NO smoking.
Alcohol-resistant foam carbon dioxide powder water spray.
EXPLOSION Above 25C explosive vapour/air mixtures may be formed.
Above 25C use a closed system, ventilation, and explosion-proof electrical equipment.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE


Inhalation
Ventilation.
Fresh air, rest.
Skin Redness. Pain.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Burning sensation in the throat and chest.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Give plenty of water to drink. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Collect the spilled substance into containers. Do NOT let this chemical enter the environment.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Fireproof.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK
DHTDMAC (with 15% Isopropanol) ICSC: 1518
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS TO WHITE PASTE.

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic and corrosive fumes.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.
INHALATION RISK:
A harmful contamination of the air will will not or will only very slowly be reached on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is severely irritating to the eyes. The substance is irritating to the skin.

PHYSICAL PROPERTIES
Boiling point (decomposes): 135C
Melting point: 30-45C
Relative density (water = 1): 0.87
Solubility in water, g/100 ml at 25C: 10
Vapour pressure, kPa at 50C: 17
Flash point: 25C
Auto-ignition temperature: 385C
Explosive limits, vol% in air: 2-13
Octanol/water partition coefficient as log Pow: 3.8
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
The recommendations on this Card do not apply to the powder form. In addition see ICSC 0554 Isopropanol.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999