29911-28-2

Basic information

• Product Name: DI(PROPYLENE GLYCOL) BUTYL ETHER
• Synonyms: ARCOSOLV(R) DPNB;BUTYL PROPASOL;DI(PROPYLENE GLYCOL) BUTYL ETHER;DIPROPYLENE GLYCOL MONOBUTYL ETHER;Dipropylene glycol mono-n-butyl ether;DIPROPYLENE GLYCOL NORMAL BUTYL ETHER;DOWANOL(TM) DPNB;DPNB
• CAS NO: 29911-28-2
• Molecular Formula: C₁₀H₂₂O₃
• Molecular Weight: 190.28
• EINECS: 249-951-5
• Product Categories: Ethers;Hydrophobic Polymers;Propylene Glycol Oligomers;Hydrophobic Polymers;Materials Science;Polymer Science;Polymers;Propylene Glycol Oligomers
• Mol File: 29911-28-2.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 222-232 °C(lit.)
• Flash Point: 205 °F
• Appearance: /
• Density: 0.913 g/mL at 25 °C(lit.)
• Vapor Pressure: 4Pa at 20℃
• Refractive Index: n20/D 1.426(lit.)
• PKA: 14.41±0.20(Predicted)
• Water Solubility: 40g/L at 25℃
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• CAS DataBase Reference: DI(PROPYLENE GLYCOL) BUTYL ETHER(CAS DataBase Reference)
• NIST Chemistry Reference: DI(PROPYLENE GLYCOL) BUTYL ETHER(29911-28-2)
• EPA Substance Registry System: DI(PROPYLENE GLYCOL) BUTYL ETHER(29911-28-2)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 1
• RTECS: UA8200000
• Hazardous Substances Data: 29911-28-2(Hazardous Substances Data)

Usage

Chemical Properties

Colorless liquid

Flammability and Explosibility

Nonflammable

InChI:InChI=1/C8H18O3.2C3H6.C2H6O2/c1-3-5-7-9-11-10-8-6-4-2;2*1-3-2;3-1-2-4/h3-8H2,1-2H3;2*3H,1H2,2H3;3-4H,1-2H2

Synthetic route

methyloxirane (75-56-9, 16033-71-9) + butan-1-ol (71-36-3) → dipropylene glycol mono-n-butyl ether (29911-28-2)

Conditions	Yield
With sodium hydroxide at 190℃; under 11032.6 Torr;

sodium butanolate (2372-45-4) + methyloxirane (75-56-9, 16033-71-9) → dipropylene glycol mono-n-butyl ether (29911-28-2)

Conditions	Yield
In butan-1-ol

1-Chloropropane (540-54-5) + dipropylene glycol mono-n-butyl ether (29911-28-2) → dipropylene glycol dibutyl ether

Conditions	Yield
With tetrabutylammomium bromide; potassium hydroxide; sodium hydroxide at 120 - 160℃; for 10h;	70%

dipropylene glycol mono-n-butyl ether (29911-28-2) + acetyl chloride (75-36-5) → 2-(2-butoxy-1-methylethoxy)-1-methylethyl acetate

dipropylene glycol mono-n-butyl ether (29911-28-2) + tripropylene glycol (24800-44-0, 45096-22-8, 85550-18-1) → C20H43O6PS2 + C29H62O10P2S4

Conditions	Yield
With phosphorous (V) sulfide In n-heptane at 95 - 118℃; for 8.5h;

dipropylene glycol mono-n-butyl ether (29911-28-2) → 1-((1-(butoxy)-2-propanyl)oxy)-2-propanone

Conditions	Yield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; trichloroisocyanuric acid In dichloromethane at 0 - 20℃; for 4h;	84 g

Upstream product

• 75-56-9 methyloxirane 
• 71-36-3 butan-1-ol 
• 2372-45-4 sodium butanolate