Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow Propylene Glycol Butyl Ether DOWANOL PNB

Dow DOWANOL PNB (Propylene Glycol Monobutyl Ether) is a high-performance coupling solvent in Dow's DOWANOL propylene glycol ether series. Designed for heavy-duty cleaning, coating film formation, fine chemical synthesis and other systems, it is a low-toxic and environmentally friendly ether solvent with efficient dissolution coupling and system solubilization properties

Features Of Dow Propylene Glycol Butyl Ether DOWANOL PNB

  1. Efficient Dissolution & Coupling - Strong oil solubility, excellent coupling performance, suitable for various material systems

  2. Precise Replacement & Adaptation - Evaporation rate close to ethylene glycol butyl ether, directly replaceable to optimize formulations

  3. Low-Toxic & Environmental Safety - Low toxicity, complying with environmental standards, suitable for household and industrial scenarios

  4. Partial Water Solubility & Solubilization - Partially water-soluble, capable of solubilizing most solvents, improving formulation compatibility

Typical Applications Of Dow Propylene Glycol Butyl Ether DOWANOL PNB

  1. Heavy-Duty Cleaning Field - Used in industrial metal cleaners and household hard surface cleaners for efficient oil removal

  2. Coating Film Formation Systems - Used as coupling agent for water-reducing coatings and coagulant for water-based latex coatings to improve film quality

  3. Ink & Resin Industry - As active solvent for solvent-based coatings, suitable for ink and resin synthesis processes

  4. Fine Chemical Synthesis - Used in synthesis of esters, plasticizers and other chemicals, as high-quality chemical intermediate

Specifications Of Dow Propylene Glycol Butyl Ether DOWANOL PNB

Chemical NamePropylene Glycol Monobutyl Ether
English AliasDOWANOL PNB; Propylene glycol butyl ether
CAS No.29387-86-8
Molecular FormulaC₇H₁₆O₂
Molecular Weight132.20
Physical FormColorless transparent liquid, slightly ether odor
Purity≥ 99 %
Boiling Point165-175 ℃ (Typical 170℃)
Melting Point-15.45 ℃ (Typical)
Flash Point (Closed Cup)60 ℃ (138°F)


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