Name:Ethylene glycol mono tert-butyl ether(ETB)
Synonyms:Tert-butyl cellosolve; 2-(tert-butoxy)ethan-1-ol
Cas:7580-85-0
EC:616-26-7
MF:C6H14O2
HS code:2909.43.0000
UN NO.3271 CLASS 3 PG:IIIColorless transparent liquid,soluble in water and most other organic solvents.
Boiling point:152oC
Freezing point:below -120oC
Density:0.9g/ml
Refractive index(nD20):1.4156
Viscosity(20oC): 4.23
Evaporation rate(n-Bu-Ac=100):19
Flash point:55oC(close cup)
Specification:
Item | Specification |
Appearance | Colorless transparent liquid |
Assay | 99%min |
Di-tertbutyl ether | 0.5% max |
Moisture | 0.05% max |
Boiling point range Initial BP Ending BP |
148oC 153oC |
Features:
Good water solubility,miscible with water at ambient temperature.
Good substitute to Ethylene glycol butyl ether(BCS) because of low toxicity.
Good solvency for amino,nitro,alkd,acrylic resins etc.
Application:
high-boiling point solvent for synthetic resin.
As a thinner and diluents for bake-coating.
whitening preventive or a fluidity regulator for lacquer,varnish etc
Suitable as high boiling-point solvent for an aqueous paint
Organic synthesis butyl ether containing surfactant
Industrial cleaning
Printing inks
Packing:
180KG Drum;ISO TANK
Annex I
Comparison chart between EB and ETB
Property | EB(BCS,Ethylene glycol mono butyl ether) | ETB |
Toxicity | High | Low |
Evaporation(n-Bu Ac=100) | 9 | 19 |
Water solubility | Having interface at low temperature | Miscible at low temp. |
Flash point(Close cup) | 61 oC | 55 oC |
Surface tension(25oC) | 27.4 mN/m | 30.4 mN/m |
Regulations | Tends to be restricted in some countries | Less regulated |
Boiling point | 172oC | 152oC |
| Hansen solubility parameter | 9.7 | 9.35 |
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