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NIOSH

TRI-o-CRESYL PHOSPHATE

ICSC: 0961

Tri-o-Tolyl phosphate
TOCP
C21H21O4P
Molecular mass: 368.4
ICSC # 0961 		CAS # 78-30-8
RTECS # TD0350000
UN # 2574
EC # 015-015-00-8
April 05, 2006 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION


EXPOSURE
STRICT HYGIENE!
IN ALL CASES CONSULT A DOCTOR!
•INHALATION Headache. Nausea. Vomiting. Muscular weakness. Symptoms may be delayed (see Notes).
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
•SKIN MAY BE ABSORBED! (Further see Inhalation).
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
•EYES
Face shield, or eye protection in combination with breathing protection.
First rinse with plenty of water (remove contact lenses if easily possible).
•INGESTION Abdominal pain. Nausea. Vomiting. (Further see Inhalation).
Do not eat, drink, or smoke during work.
Give a slurry of activated charcoal in water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Chemical protection suit including self-contained breathing apparatus. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT let this chemical enter the environment.
Separated from strong oxidants, food and feedstuffs. Store in an area without drain or sewer access.
Do not transport with food and feedstuffs.
Marine pollutant.
Note: C
T symbol
N symbol
R: 39/23/24/25-51/53
S: 1/2-20/21-28-45-61
UN Hazard Class: 6.1
UN Packing Group: II
Signal: Danger
Excl mark-Health haz
Harmful if swallowed
Causes damage to the nervous system
Causes damage to the nervous system through prolonged or repeated exposure
Toxic to aquatic life
ICSC: 0961 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.

TRI-o-CRESYL PHOSPHATE

ICSC: 0961

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS OR PALE YELLOW LIQUID.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating producing toxic fumes including phosphorus oxides . Reacts with oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.1 mg/m3 as TWA (skin) BEI issued A4 (not classifiable as a human carcinogen); (ACGIH 2006).
MAK not established.
OSHA PEL†: TWA 0.1 mg/m3
NIOSH REL: TWA 0.1 mg/m3 skin
NIOSH IDLH: 40 mg/m3 See: 78308


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and through the skin, 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 may cause effects on the central nervous system and peripheral nervous system . Exposure above the OEL may result in degeneration of the nervous system. The effects may be delayed. Medical observation is indicated.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the nervous system.

PHYSICAL
PROPERTIES

Boiling point (decomposes): 410°C
Melting point: 11°C
Relative density (water = 1): 1.2
Solubility in water: none
Relative vapour density (air = 1): 12.7
Flash point: 225°C c.c.
Auto-ignition temperature: 385°C
Octanol/water partition coefficient as log Pow: 6.3

ENVIRONMENTAL
DATA

The substance is toxic to aquatic organisms. It is strongly advised that this substance does not enter the environment.

N O T E S

Depending on the degree of exposure, periodic medical examination is suggested.
Transport Emergency Card: TEC (R)-61GT1-II

NFPA Code: H2; F1; R; 0
Card has been partially updated in March 2008: see Environmental Data

ADDITIONAL INFORMATION



ICSC: 0961 TRI-o-CRESYL PHOSPHATE
(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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