Alcohols & Glycols
REACH
tert-Butanol
CAS Number
75-65-0
EC Number
200-889-7
Abbreviation
TBA
What is tert-Butanol?
tert-Butanol (CAS 75-65-0), also known as tert-butyl alcohol or TBA, is a tertiary alcohol. Also marketed as TBA.
Where is tert-Butanol used?
- Flavor manufacturing: carrier solvent for flavor concentrates
- Food: synthetic flavoring substance at controlled levels
- Personal care: solvent and viscosity modifier in aerosol systems and deodorants
- Topical formulations: controlled evaporation
- Polymer and chemical synthesis: reaction solvent and intermediate in producing isobutylene
- It also functions as a denaturant for ethanol in industrial and cosmetic applications.
Commercial specifications
- Bulk liquid supply in drums and ISO tanks
Other Names (Synonyms)
tert-butyl alcohol|2-methylpropan-2-ol|TBA
What are the physical properties of tert-Butanol?
Melting Point 25.7 °C
Boiling Point 82.41 °C
Density 0.8 g/cm³
Flash Point 95 °F
Appearance clear colourless liquid after melting
Color APHA: ≤20
Odor Characteristic; camphor-like; pungent.
Form Liquid After Melting
Water Solubility soluble
Vapor Pressure 31 mm Hg ( 20 °C)
Refractive Index n 20/D 1.399(lit.)
pH 7 (20°C)
Log P 0.350
How is tert-Butanol classified and handled safely? Learn More
Danger
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard GHS05· Corrosive
Hazard Statements
H225 Highly Flammable liquid and vapor
H228 Flammable solid
H303 May be harmful if swallowed
H316 Causes mild skin irritation
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
Which trade and regulatory codes apply to tert-Butanol?
HS Code 29051410
UN Number 1120
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 1