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NIOSH

DHTDMAC (with 15% Isopropanol)

ICSC: 1518

Dihydrogenated tallow dimethyl ammonium chloride
1-Octadecanaminium, N,N-dimethyl-N-octadecyl chloride
Quarternary ammonium compound, bis(hydrogenated tallow alkyl) dimethyl chloride
ca• C36•4H76•8NCl
Molecular mass: ca. 567-573
ICSC # 1518 		CAS # 61789-80-8
RTECS # UZ2997000
April 20, 2004 Validated

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 25°C explosive vapour/air mixtures may be formed.
Above 25°C 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

STORAGE

PACKAGING & LABELLING

Collect the spilled substance into containers. Do NOT let this chemical enter the environment.
Fireproof.

ICSC: 1518 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

DHTDMAC (with 15% Isopropanol)

ICSC: 1518

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS TO WHITE PASTE .

PHYSICAL DANGERS:


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

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.


ROUTES OF EXPOSURE:


INHALATION RISK:
A harmful contamination of the air will will not or will only very slowly be reached on evaporation of this substance at 20°C.

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

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point (decomposes): 135°C
Melting point: 30-45°C
Relative density (water = 1): 0.87
Solubility in water, g/100 ml at 25°C: 10
Vapour pressure, kPa at 50°C: 17
Flash point: 25°C
Auto-ignition temperature: 385°C
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.

N O T E S

The recommendations on this Card do not apply to the powder form. In addition see ICSC 0554 Isopropanol.

ADDITIONAL INFORMATION



ICSC: 1518 DHTDMAC (with 15% Isopropanol)
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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