Product name: 1-Butoxy-2-propanol
English alias: Propylene glycol monobutyl ether; PNB
CAS: 5131-66-8
Molecular formula: C7H16O2
Appearance: Colorless transparent liquid
Package: 180kg/drum
What is 1-Butoxy-2-propanol?
1-Butoxy-2-propanol, also known as Propylene Glycol Monobutyl Ether (PNB), is a clear, colorless liquid with a mild odor. It is a versatile organic solvent belonging to the glycol ether family and is widely used in industrial and commercial applications. PNB is miscible with water and most organic solvents, offering excellent solvency for various resins and polymers. It is commonly found in cleaning products, coatings, inks, and agricultural formulations due to its favorable evaporation rate and solvent strength. The chemical formula of PNB is C7H16O2.
COA:
Item | Specifications | Result |
Color (Pt-Co) | ≤15 | 6 |
Purity Wt Pct | ≥99.0% | 99.32% |
Water | ≤0.2% | 0.03% |
Acidity (HAC) | ≤0.01% | 0.01% |
Distillation Range | 165.0–175.0°C | 170.0–171.8°C |
Application:
1-Butoxy-2-propanol used as a high-performance solvent in cleaning agents, especially for hard surface and industrial degreasers
1-Butoxy-2-propanol applied in water-based paints, coatings, and inks to improve flow and leveling
1-Butoxy-2-propanol serves as a coalescing agent in architectural and industrial coatings
1-Butoxy-2-propanol used as a carrier solvent in agricultural chemical formulations
It acts as a coupling agent in household and commercial cleaners
It used in textile processing for dyeing and printing
It used in manufacturing brake fluids and hydraulic fluids
Coatings and Paints:
Used as a solvent to improve flow, leveling, and film formation.
Cleaning Products:
Employed in household and industrial cleaners.
Inks:
A common solvent in printing and writing inks.
Adhesives:
Utilized in the formulation of various adhesive products.
Agricultural and Textile Products:
Has applications in these sectors as well.
Safety profile:
1-Butoxy-2-propanol is generally considered safe in industrial and regulated uses. It is low in toxicity but may cause irritation upon prolonged contact with skin or eyes. Proper ventilation and personal protective equipment are recommended during handling. It is biodegradable and has a low potential for bioaccumulation, though environmental regulations should still be followed.
Combustibility:
It is a combustible liquid and should be kept away from heat, sparks, and open flames.
Storage requirements:
Keep the product sealed and dry
Relative humidity should be < 50%
Store in a cool, ventilated area away from heat, open flames, and incompatible materials
Transport & Packaging:
1-Butoxy-2-propanol is supplied in various packaging options, typically 25 kg drums or 180 kg drums. It should be transported as a general chemical, protected from extreme temperature and humidity.