Solvents
REACH
3-Methoxy-3-methyl-1-butanol
CAS Number
56539-66-3
EC Number
260-252-4
What is 3-Methoxy-3-methyl-1-butanol?
3-Methoxy-3-methyl-1-butanol (CAS 56539-66-3) is a slow-evaporating glycol ether-type solvent.
Where is 3-Methoxy-3-methyl-1-butanol used?
- Coatings: coalescing solvent and rheology modifier, improving flow, leveling, and open time in waterborne systems
- Adhesives and sealants: viscosity adjustment and extended working time in solvent-based and hybrid systems
- Home care and industrial cleaning concentrates: enhanced active ingredient solubility and soil removal from hard surfaces
- Printing inks: drying speed control and ink stability across substrate types
- It supports film formation and substrate wetting.
Commercial specifications
- Purity levels of 98% and above are typical for industrial formulation use.
- Clear liquid in standard drum and IBC packaging.
Other Names (Synonyms)
3-Methoxy-3-methylbutan-1-ol|3-Methyl-3-methoxybutanol|3-Methoxy-3-methylbutanol|1-Butanol, 3-methoxy-3-methyl-|Solfit S 110|3-methyl-3-methoxy-1-butanol|3-Methxoy-3-methylbutan-1-ol|3-Methyl-3-methoxy-1-hydroxybutane
What are the physical properties of 3-Methoxy-3-methyl-1-butanol?
Melting Point -50 °C
Boiling Point 63 °C @ Press: 7 Torr
Density 0.9220 g/cm³ @ Temp: 20 °C
Flash Point 160 °F
Appearance clear colourless liquid
Color Clear colorless
Odor Practically odourless
Form Liquid
Water Solubility Soluble in water.
Vapor Pressure 47Pa at 20℃
Refractive Index n 20/D 1.428(lit.)
Log P 0.18 at 25℃
How is 3-Methoxy-3-methyl-1-butanol classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H227 Combustible liquid
H319 Causes serious eye irritation
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P403 Store in a well-ventilated place.
P501 Dispose of contents/container in accordance with local regulations.
Which trade and regulatory codes apply to 3-Methoxy-3-methyl-1-butanol?
HS Code 29094990
Storage Class 10 - Combustible liquids
WGK (Germany) 3