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NIOSH

2,3,4-TRICHLOROPHENOL

ICSC: 0588

C6H3Cl3O
Molecular mass: 197.5
ICSC # 0588 		CAS # 15950-66-0
UN # 2020
August 10, 1997 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Foam, powder, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

•INHALATION Cough. Sore throat.
Local exhaust or breathing protection.
Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.
•SKIN Redness.
Protective gloves. Protective clothing.
First rinse with plenty of water, then remove contaminated clothes and rinse again. Refer for medical attention.
•EYES Redness.
Safety goggles or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION
Do not eat, drink, or smoke during work.
Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Consult an expert! Ventilation. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting, then remove to safe place.
Separated from oxidants , acid anhydrides , acid chlorides .

UN Hazard Class: 6.1
UN Packing Group: III
ICSC: 0588 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.

2,3,4-TRICHLOROPHENOL

ICSC: 0588

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
WHITE POWDER OR NEEDLES.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating or on burning producing toxic fumes . Reacts with oxidants acid anhydrides and acid chlorides .

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


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and through the skin and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes, the skin and the respiratory tract. See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
See Notes.

PHYSICAL
PROPERTIES

Melting point: (sublimes) 83.5°C

ENVIRONMENTAL
DATA


N O T E S

Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. Similar substances are known to have significant acute, long-term and environmental effects. Also consult ICSC 0879, 1122. Card has been partly updated in October 2005. See section Emergency Response.
Transport Emergency Card: TEC (R)-61S2020 or 61GT2-III

ADDITIONAL INFORMATION



ICSC: 0588 2,3,4-TRICHLOROPHENOL
(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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