Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
DBE Dibasic Ester
1. Basic Information
Name: Dibasic Ester (DBE)
Alias: Mixed dimethyl alkanedioate, dimethyl succinate + dimethyl glutarate + dimethyl adipate mixed solvent
CAS No.: 95481-62-2
Main composition mixed formula: C?H?O? / C?H?O? / C?H??O?
Average Molecular Weight: ~160–170
Category: High-boiling biodegradable dibasic ester solvent, industrial coating diluent, cleaning agent, plasticizer, synthetic reaction solvent
2. Physical and Chemical Properties
Physical Properties
- Appearance: Colorless transparent oily liquid
- Odor: Mild faint ester sweet odor, low volatility
- Solubility: Miscible with alcohols, ketones, esters, aromatic hydrocarbons; slightly soluble in water
- Melting Point: ?20 ~ ?10 ℃
- Boiling Range: 190–230 ℃
- Density (20℃): 1.090–1.110 g/cm3
- Refractive Index n?2?: 1.418–1.425
- Flash Point: ≥100 ℃
- Hygroscopy: Slightly hygroscopic
- Aqueous property: Neutral liquid; slow hydrolysis under strong acid/alkali heating to generate corresponding dicarboxylic acid and methanol
Chemical Properties
- Molecular structure: Mixture of dimethyl succinate, dimethyl glutarate, dimethyl adipate saturated aliphatic diesters
- Ester characteristic reaction: Transesterification with alcohols, amidation with amines for polyamide, polyurethane raw materials
- High dissolving power: Strong solvency for polyurethane resin, epoxy, acrylic, nitrocellulose, polyester, tar, grease
- Biodegradability: Aliphatic diester structure, easy microbial degradation, low environmental pollution
- Thermal stability: Stable below 180 ℃; long-time high temperature above boiling point gradually decomposes and volatilizes
- Photostability: Good light stability, no discoloration under normal light
- Compatibility: Compatible with most coating raw materials; incompatible with concentrated strong alkali, strong oxidants
3. Main Application Fields
1. Coating & Ink Industry (Core Application)
Slow-drying high-boiling solvent for polyurethane coating, baking paint, printing ink, coil coating; improves leveling, gloss, eliminates pinholes
2. Industrial Cleaning Agent
Environmentally safe substitute for halogenated solvents; removes resin, grease, wax, paint residue on metal, plastic hardware
3. Plasticizer & Resin Synthetic Solvent
Auxiliary plasticizer for PVC; reaction solvent for polyamide, polyester, polyurethane synthesis
4. Fragrance & Pharmaceutical Intermediate Solvent
High-boiling inert solvent for fine chemical synthesis, extractant for natural plant essential oil
5. Electronic Circuit Cleaning
Low-toxicity cleaning fluid for PCB flux residue, safe for plastic base materials
4. Quality Specification Table
| Test Item | Standard Specification |
| CAS Number | 95481-62-2 |
| Appearance | Colorless clear oily liquid without suspended impurities |
| Ester Content | ≥99.0% |
| Water Content (KF) | ≤0.10% |
| Chroma (APHA) | ≤30 |
| Acid Value | ≤0.3 mgKOH/g |
| Methanol Residual | ≤0.10% |
| Heavy Metals (Pb) | ≤10 ppm |
| Packaging | 25L plastic barrel, 200kg galvanized iron drum, IBC ton tank |
| Storage Condition | Hermetically sealed cool dry warehouse below 25 ℃, isolate strong alkali, oxidants and open flame |
| Transportation Requirement | High-boiling low-volatility ester solvent, general organic liquid goods |
| Shelf Life | 24 months under sealed storage |
Safety Warning
Mild irritant ester solvent. High concentration vapor irritates eyes and upper respiratory tract; long-term skin contact causes dry skin. All operations in ventilated fume hood with splash-proof goggles and chemical-resistant nitrile gloves. Avoid heating with strong alkali to prevent methanol release. Waste liquid recovered by distillation; residual liquid classified as general organic hazardous waste for professional disposal.
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