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（Dipropylene glycol mono butyl ether）DPNB

Name: （Dipropylene glycol mono butyl ether）DPNB
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Dipropylene Glycol Monobutyl Ether (DPNB), with the chemical formula C₁₀H₂₂O₃, is an important propylene glycol ether solvent. It appears as a colorless transparent liquid with a mild characteristic odor. It features low volatility, high boiling point, excellent solvency power and good coupling ability, being partially soluble in water and miscible with most organic solvents. This product exhibits outstanding solubility for various resins and oils, along with relatively low toxicity, making it widely used in high-grade coatings, inks, cleaning agents and other fields.

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Product Parameters

Product Name (English)	Dipropylene Glycol Monobutyl Ether (DPNB)
CAS No.	29911-28-2
Physical Properties	- Colorless transparent liquid with a mild characteristic odor - Low volatility, high boiling point - Excellent solvency for resins and oils - Good coupling ability, partially soluble in water
Applications	- High-performance solvent for coatings and inks - Coupling agent in cleaner formulations - Coalescing agent in latex paints - Chemical intermediate and process solvent
Specifications	Purity: ≥99.0% Boiling Point: 230°C Density: 0.913 g/cm³ (20°C) Flash Point: 96°C (closed cup) Water Content: ≤0.1%
Packaging	200 KG/drum (carbon steel or stainless steel)

Basic Properties

Physical Properties:
· Appearance: Colorless transparent liquid with a mild characteristic odor
· Melting Point: -90°C
· Boiling Point: 230°C
· Density: 0.913 g/cm³ (20°C)
· Solubility: Partially soluble in water, miscible with ethanol, ether, acetone and other organic solvents
· Refractive Index: 1.426 (20°C)
· Viscosity: 5.8 mPa·s (25°C)
· Surface Tension: 28.5 mN/m (25°C)
Chemical Properties:
· Chemically stable
· Possesses dual characteristics of ether and alcohol
· Can undergo esterification, etherification and other reactions
· Stable to oxidizers
· Good hydrolysis stability

Main Applications

Coatings Industry: Used as high-performance solvent and coalescing agent in high-grade water-based coatings, oil-based coatings and industrial baking paints
Ink Industry: Employed as premium solvent and vehicle in water-based inks, gravure printing inks and flexographic printing inks
Cleaning Agents: Key component in heavy-duty cleaners, degreasers and electronic circuit board cleaners
Coupling Agent: Effective coupling agent and solvent in cosmetics and personal care products
Chemical Intermediate: Used for synthesis of other specialty chemicals
Others: Used in pesticide emulsification, metal working fluids and textile treatment agents

Safety Precautions

Health Hazards:
· Causes mild eye and skin irritation
· Inhalation of high concentration vapor may cause respiratory tract irritation and dizziness
· Prolonged or repeated skin contact may cause dermatitis and defatting
· Relatively low toxicity, but still requires careful handling
Handling Protection:
· Wear chemical safety goggles and impermeable gloves
· Ensure adequate ventilation in working area
· Avoid contact with skin and eyes
· Wash hands thoroughly after handling
· Wear respirator if necessary
Storage & Transportation:
· Store in cool, well-ventilated area
· Keep containers tightly closed, away from heat and ignition sources
· Store separately from strong oxidizers and strong acids
· Use carbon steel or stainless steel containers
· Avoid prolonged contact with copper, aluminum and other metals
Fire Fighting:
· Combustible liquid, flash point 96°C (closed cup)
· Use foam, dry powder or CO2 to extinguish fire
· Use water spray to cool exposed containers and prevent re-ignition
· Firefighters should wear self-contained breathing apparatus and protective clothing

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

Company advantages

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.