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NIOSH

2,6-DI-TERT-BUTYLPHENOL

ICSC: 1611

Phenol, 2,6-bis(1,1-dimethylethyl)-
Phenol, 2,6-di-tert-butyl-
2,6-Bis(1,1-dimethylethyl)phenol
2,6-DTBP
C14H22O
Molecular mass: 206.3
ICSC # 1611 		CAS # 128-39-2
RTECS # SK8265000
UN # 3077
October 19, 2005 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Water spray, foam, powder, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

•INHALATION Cough. Sore throat.
Local exhaust or breathing protection.
Fresh air, rest.
•SKIN Redness. Pain.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
•EYES Redness. Pain.
Safety goggles .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Sore throat. Burning sensation in the throat and chest.
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: filter respirator for organic gases and vapours. Do NOT let this chemical enter the environment. Sweep spilled substance into covered plastic containers. Carefully collect remainder, then remove to safe place.
Store in an area without drain or sewer access. Separated from food and feedstuffs . See Chemical Dangers.

Marine pollutant.
UN Hazard Class: 9
UN Packing Group: III
ICSC: 1611 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.

2,6-DI-TERT-BUTYLPHENOL

ICSC: 1611

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS TO YELLOW CRYSTALLINE POWDER , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
Reacts with acid anhydrides , acid chlorides , bases and oxidants . Attacks steel, brass and copper.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: IIb (not established but data is available); (DFG 2005).


ROUTES OF EXPOSURE:


INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed.

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

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 253°C
Melting point: 36-37°C
Density: 0.91
g/cm3
Solubility in water, g/100 ml at 25°C: 0.04
(very poor)
Vapour pressure, Pa at 20°C: 1.0
Flash point: 118°C o.c.
Auto-ignition temperature: 375°C
Octanol/water partition coefficient as log Pow: 4.5

ENVIRONMENTAL
DATA

The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur along the food chain, for example in fish.

N O T E S

Transport Emergency Card: TEC (R)-GM7-III

ADDITIONAL INFORMATION



ICSC: 1611 2,6-DI-TERT-BUTYLPHENOL
(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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