1 - Product and Company Information

Product Name 2,4-DI-TERT-BUTYLPHENOL, 99%
Product Number 137731
2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
2,4-DI-TERT-BUTYLPHENOL 96-76-4 202-532-0 None

Formula C14H22O
Molecular Weight 206.33 AMU
Synonyms Antioxidant No. 33 * 2,4-Di-tert-butylphenol *
Phenol, 2,4-di(1,1-dimethylethyl)- * Prodox 146
* Prodox 146A-85X

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Irritating to eyes, respiratory system and skin.


4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.

AFTER EYE CONTACT
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.

SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.

METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.

STORAGE
Conditions of Storage: Keep tightly closed.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.

GENERAL HYGIENE MEASURES
Wash thoroughly after handling.

PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.

9 - Physical and Chemical Properties

Appearance Physical State: Solid
Color: Yellow
Form: Fine crystals

Property Value At Temperature or Pressure

pH N/A
BP/BP Range 265 ?C 760 mmHg
MP/MP Range 54 ?C
Flash Point 115 ?C Method: closed cup
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A

Vapor Pressure 1 mmHg 84.5 ?C
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Stable: Stable.
Materials to Avoid: Acid chlorides, Acid anhydrides, Oxidizing
agents, Bases, Brass Copper, Copper alloys.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.

HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

11 - Toxicological Information

RTECS NUMBER: SK8260000

ACUTE TOXICITY

LD50
Intraperitoneal
Mouse
25 MG/KG

LD50
Intravenous
Mouse
100 MG/KG
Remarks: Behavioral:Sleep.

SIGNS AND SYMPTOMS OF EXPOSURE
Depending on the intensity and duration of exposure, effects may
vary from mild irritation to severe destruction of tissue.
Prolonged contact can cause: Damage to the eyes. Nausea,
dizziness, and headache.

ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: Material is irritating to mucous membranes and upper
respiratory tract. May be harmful if inhaled.
Ingestion: May be harmful if swallowed.

TARGET ORGAN INFORMATION
Damage to the eyes.

12 - Ecological Information

No data available.

13 - Disposal Considerations

SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.

14 - Transport Information

RID/AD UN#: 2430
Class: 8
PG: III
Proper Shipping Name: Alkylphenols, solid, n.o.s.

IMDG
UN#: 2430
Class: 8
PG: III
Proper Shipping Name: Alkylphenols, solid, n.o.s.
Marine Pollutant: Yes
Severe Marine Pollutant: No
Technical Name: Required

IATA
UN#: 2430
Class: 8
PG: III
Proper Shipping Name: Alkylphenols, solid, n.o.s.
Inhalation Packing Group I: No
Technical Name: Required

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: Xi
Irritant.
R-PHRASES: 36/37/38
Irritating to eyes, respiratory system and skin.
S-PHRASES: 26 36/37
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear suitable protective
clothing and gloves.

COUNTRY SPECIFIC INFORMATION

Germany
WGK: 2

SWITZERLAN SWISS POISON CLASS: 4

16 - Other Information

WARRANTY

 The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.

DISCLAIME For R&D use only. Not for drug, household or other uses.





2,4-Di-tert-butylphenol