4-tert-Butyl-2-methylphenol

  • 4-tert-Butyl-o-cresol
  • 2-Methyl-4-tert-butylphenol
Formula
C11H16O
Structure
Uses
Medication.

Registry Numbers and Inventories.
CAS
98-27-1
EC (EINECS/ELINCS)
202-651-8
26 36/37/39 45
RTECS
SK1578400
RTECS class
Drug
UN (DOT)
2430
Beilstein/Gmelin
1817502
Beilstein Reference
4-06-00-03398
Swiss Giftliste 1
G-8131
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C11H16O
Formula mass
164.27
Melting point, °C
28 - 33
Boiling point, °C
245
Vapor pressure, mmHg
0.02 (25 C)
pKa/pKb
10.53 (pKa)
Heat of vaporization
50.1 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
110
Fire fighting
Small Fires: Dry chemical, CO2 or water spray. Large Fires: Dry chemical, CO2, alcohol-resistant foam or water spray.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
3
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
Corrosive. Causes burns.
   Ingestion
May be harmful if swallowed.
   Inhalation
Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
Causes burns. May be harmful if absorbed through the skin.
   Eyes
Causes burns.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician immediately. Do not induce vomiting.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
2430
Response guide
Hazard class
8
Packing Group
III