Dowanol DPnP

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Description

DOWANOL™ DPnP Glycol Ether (Dipropylene Glycol n-Propyl Ether) is a slow-evaporating glycol ether produced by The Dow Chemical Company. Here is a detailed overview of the product based on the provided information:

Product Overview:

Product Name: DOWANOL™ DPnP Glycol Ether
Chemical Formula: C3H7O[CH2(CH)CH3O]2H (Major isomer)
CAS Number: 29911-27-1

Description:

DOWANOL™ DPnP is characterized by a slower evaporation rate compared to DOWANOL™ PnP glycol ether and is slightly more hydrophobic. It has a mid-range balance between hydrophobic and hydrophilic properties and offers significant water solubility. It is highly effective as a coalescent in coatings, providing excellent film properties and compatibility with hydrophobic materials.

Physical Properties:

Molecular Weight: 176.2 g/mol
Boiling Point: 213°C (415°F)
Flash Point (Setaflash Closed Cup): 88°C (190°F)
Freezing Point: <-75°C (<-103°F)
Vapor Pressure at 20°C: 0.08 mmHg (0.11 mbar)
Specific Gravity (25/25°C): 0.919
Density:
- @ 20°C: 0.921 g/cm³ (7.68 lb/gal)
- @ 25°C: 0.916 g/cm³ (7.65 lb/gal)
Viscosity at 25°C: 11.4 cP (mPa•s)
Surface Tension at 25°C: 27.8 dynes/cm (mN/m)
Specific Heat at 25°C: 1.94 J/g/°C
Heat of Vaporization at Normal Boiling Point: 265 J/g
Net Heat of Combustion at 25°C: 29.7 kJ/g
Autoignition Temperature: 205°C (401°F)
Evaporation Rate:
- n-Butyl Acetate = 1.0: 0.014
- Diethyl Ether = 1.0: 903
Solubility at 25°C:
- Solvent in Water: 17.2 g/100 g (15 wt%)
- Water in Solvent: 22.5 g/100 g (18.5 wt%)

Hansen Solubility Parameters:

Dispersion (d): 15.0 (J/cm³)^(1/2)
Polar (p): 3 (J/cm³)^(1/2)
Hydrogen Bonding (h): 9.6 (J/cm³)^(1/2)

Flammable Limits (Vol.% in Air):

Lower: 0.68%

Applications:

Coalescent for Water-Borne Latex Coatings: Enhances film formation and performance.
Active Solvent for Solvent-Borne Coatings: Provides good solvency and compatibility with various materials.

Features:

Colorless
Low odor
Moderately soluble in water (19 ml/100 ml)
Good chemical stability
Excellent solvent properties
Efficient surface tension reduction
Low toxicity
Wide range of applications

Files

110-00590-01-dowanol-dpnp-tds.pdf View

Application

Paints & Coatings

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Product Overview:
- Product Name: WALOCEL™ CRT 10000 G
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  - Test Frequency: Audit basis
2. Substitution Degree:
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Product Overview:
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Product Overview:
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Dowanol DPnP

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Description

Product Overview:

Description:

Physical Properties:

Hansen Solubility Parameters:

Flammable Limits (Vol.% in Air):

Applications:

Features:

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