Dibasic Ester (DBE)

A high-boiling, slow-evaporating green ester solvent that replaces heavy aromatics and cyclohexanone in coatings, inks and adhesives.

At a Glance

CAS No.	Mixture
Chemical Name	Dibasic ester mixture (dimethyl adipate, dimethyl glutarate and dimethyl succinate blend)
Molecular Formula	/
Purity	≥99% (total ester content)
Origin	China
Packaging	210 L steel drum (220 kg) / IBC / ISO tank container / small drum
Lead Time	15–20 working days after deposit

Product Overview

Dibasic ester (DBE) is a blended solvent built from dimethyl adipate, dimethyl glutarate and dimethyl succinate. It is the mainstream green replacement solvent for the coatings and printing ink industries, and demand keeps rising as VOC rules tighten and high-odour, hard-to-degrade solvents such as heavy aromatics, isophorone and cyclohexanone come under restriction. DBE answers that pressure with a high boiling point, gentle evaporation, low irritation and natural biodegradability.

It is produced by precision distillation, so total ester content holds at ≥99% with light ends and free acid tightly controlled and consistent batch-to-batch values that will not disturb film formation or resin synthesis. The liquid is clear and bright with a light ester note instead of a harsh odour. Its wide boiling range and even evaporation gradient let it dissolve acrylic, epoxy, polyurethane and nitrocellulose resins, and it stays compatible with alcohols, ketones and aromatics for outstanding blending tolerance. Because it boils higher than low-boiling esters, it extends open time in baking processes and removes pinholes, orange peel and craters, while its biodegradability lowers waste-liquid treatment costs.

Key Advantages

Even, Slow Drying That Prevents Film Defects

A wide boiling range and flat evaporation gradient extend levelling time in baking enamels, coil coatings and wood finishes. The surface does not skin over prematurely, which sharply reduces pinholes, orange peel and bubbles and lifts gloss and adhesion.

Broad Resin Solvency, Wide Formulation Window

Excellent dissolving and dispersing power for epoxy, polyurethane, acrylic, alkyd and nitrocellulose systems. It works as a main solvent or as a high-boiling co-solvent, with high tolerance in let-down and adhesive systems that cuts formulation trial-and-error.

Low Toxicity and Low Odour, Regulation-Ready

Free of aromatics and aggressive ketones, so respiratory irritation on the shop floor stays low and it can be used in food-contact packaging coatings and printing inks. It meets REACH and national VOC emission requirements.

Easy to Distil and Recover, Lower Long-Term Cost

Spent liquid can be recovered by distillation and reused, and it degrades readily in the environment. Waste water and off-gas treatment load is smaller than with high-aromatic solvents, so long-term environmental spend falls noticeably.

Applications

DBE is used across industrial baking coatings, printing and metal-decorating inks, adhesives and resin synthesis.

• Industrial baking coatings — a dedicated high-boiling co-solvent for coil steel coatings, automotive bake enamels, insulating varnishes and wood baking topcoats that improves film levelling, flexibility and weather resistance.
• Printing and metal-decorating inks — a slow-drying aid for gravure, screen and metal-decorating inks that keeps pigment dispersion stable and runs at high press speed without blocking the plate or stringing, with gloss that holds and does not blush.
• Adhesives — a let-down solvent for polyurethane and epoxy laminating adhesives and leather adhesives that adjusts open time and cures to a clear bond line, suited to film and panel lamination.
• Precision industrial cleaning — the solvency base for paint removers, electronics flux cleaners and mould resin/oil degreasers that strips cured paint and oil without leaving residue.

Technical Specifications

Appearance	Colourless transparent liquid with a slight aromatic note
Purity (total ester content)	≥99%
Molecular Formula	/
CAS No.	Mixture
EINECS No.	On request
Relative Density (water = 1)	1.04–1.1
Flash Point	100 °C
Boiling Point	195–230 °C
Hazard Classification	Not classified as dangerous goods
Stability	Stable at ambient temperature and pressure
Solubility	Insoluble in water; soluble in ethanol and ether
Storage	Store in a cool, well-ventilated warehouse or storage tank away from fire and heat sources. Keep the warehouse below 32 °C and relative humidity below 80%, and keep containers sealed. Store separately from acids, alkalis, oxidisers and reducing agents; never mix-store. Use explosion-proof lighting and ventilation, and prohibit mechanical equipment and tools that can spark. The storage area must be equipped with spill response equipment and suitable containment material.

Composition

Component	Concentration	CAS No.
Dimethyl adipate	10–25%	627-93-0
Dimethyl glutarate	55–65%	1119-40-0
Dimethyl succinate	15–25%	106-65-0

Transport & Compliance

UN No.	None (not classified as dangerous goods)
Hazard Class	None (not classified as dangerous goods)
Packing Group	Standard packaging
HS Code	2917190090
Packaging	220 kg per drum (210 L steel drum)

UN and HS codes are shown for reference only — please confirm with us before shipment.

FAQ

What is your minimum order quantity?

Our MOQ is one 20GP container — up to 80 drums of 210 L.

What packaging do you offer?

Standard 210 L steel drums, plus IBC totes, ISO tank containers and small drums.

How many drums fit in a 20GP or 40GP, and can you consolidate?

Yes, we consolidate up to 5 product types in one shipment. A 20GP holds up to 80 drums (210 L); a 40GP holds around 130 drums (210 L).

What is the lead time?

15–20 working days after the deposit is received.

Which export documents do you provide?

COA, MSDS, commodity inspection certificate and dangerous goods packaging certificate. We can also assist with Certificate of Origin and other customs paperwork.

What payment terms do you accept?

T/T: 30% deposit, 70% balance against a copy of the Bill of Lading.

Technical Documents