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Send EmailDiethylene Glycol Dibenzoate, Oxydiethylene Dibenzoate, Diglycol Dibenzoate, DGB, DEGDB, 120-55-8
| Parameter | Description |
|---|---|
| Product Name | Diethylene Glycol Dibenzoate |
| Other Names | DGB, DEGDB, Diethylene Glycol Dibenzoate, Oxydiethylene Dibenzoate, Diglycol Dibenzoate, Benzoflex 2-45, Benzoic Acid Diester with Diethylene Glycol, 2-(2-benzoyloxyethoxy)ethyl benzoate, Oxydi-2,1-ethanediyl dibenzoate |
| IUPAC Name | 2-(2-benzoyloxyethoxy)ethyl benzoate |
| Chemical Formula | C₁₈H₁₈O₅ |
| Molecular Weight | 314.3 g/mol |
| CAS Number | 120-55-8 |
| EC Number | 204-407-6 |
| UNII | YAI66YDY1C |
| Chemical Class | Benzoate Ester / Diester Plasticizer |
| Appearance | Clear, Colorless Liquid |
| Physical State | Liquid |
| Source | Synthetic (Esterification of benzoic acid with diethylene glycol) |
Description: Diethylene Glycol Dibenzoate (DGB) is a versatile, high-performance chemical compound used in various industries due to its exceptional properties. It is a clear, colorless liquid exhibiting excellent solvency power, compatibility, and stability characteristics. With its high boiling point, low volatility, excellent thermal stability, and broad compatibility with polymers and resins, DGB is an ideal choice for a wide range of applications including adhesives, sealants, coatings, inks, polymer modification, and industrial chemicals.
| No | Synonym / Other Name |
|---|---|
| 1 | Diethylene Glycol Dibenzoate |
| 2 | DGB |
| 3 | DEGDB |
| 4 | Oxydiethylene Dibenzoate |
| 5 | Diglycol Dibenzoate |
| 6 | Benzoflex 2-45 |
| 7 | Benzoic Acid Diester with Diethylene Glycol |
| 8 | 2-(2-benzoyloxyethoxy)ethyl benzoate |
| 9 | Oxydi-2,1-ethanediyl dibenzoate |
| 10 | Diethylene Glycol, Dibenzoate |
| 11 | 2,2'-Oxydiethyl Dibenzoate |
| 12 | Ethanol, 2,2'-oxybis-, dibenzoate |
| 13 | 120-55-8 |
| 14 | EC 204-407-6 |
| 15 | Flexol 2GB |
| 16 | Monocizer PB 3 |
| 17 | Velsicol 2-45 |
| 18 | Dibenzoic Acid Diester with Diethylene Glycol |
| Parameter | Description |
|---|---|
| Chemical Family | Benzoate Esters / Diester Plasticizers |
| Structure | Diethylene glycol ether chain with two benzoate ester groups at both ends |
| Functional Groups | Two Ester Groups (-COO-), Ether Group (-O-), Two Aromatic Rings (Phenyl) |
| Molecular Structure | C₆H₅-COO-CH₂-CH₂-O-CH₂-CH₂-OOC-C₆H₅ |
Structural Formula:
C₆H₅ - COO - CH₂ - CH₂ - O - CH₂ - CH₂ - OOC - C₆H₅
Diethylene Glycol Dibenzoate (DGB)
Key Characteristics:
High solvency power for polar and moderately polar polymers
Low volatility due to high molecular weight
Excellent thermal stability
Broad compatibility with various resins and polymers
Low freezing point (-30°C)
Very low vapor pressure
| Parameter | Specification | Typical Value | Test Method |
|---|---|---|---|
| Physical State (25°C) | Liquid | - | Visual |
| Appearance | Clear, Colorless | - | Visual |
| Odor | Mild, characteristic | - | Organoleptic |
| Chemical Formula | C₁₈H₁₈O₅ | - | - |
| Molecular Weight | 314.3 g/mol | - | - |
| Purity | ≥ 90.0% | 90.0 – 95.0% | GC |
| Density (25°C) | ~1.175 g/cm³ | 1.170 – 1.180 g/cm³ | ASTM D4052 |
| Density (20°C) | ~1.180 g/cm³ | - | ASTM D4052 |
| Boiling Point | 235 – 237 °C | ~236 °C | ASTM D86 |
| Freezing/Melting Point | ~ -30 °C | - | DSC |
| Flash Point | > 200 °C | > 210 °C | ASTM D93 |
| Vapor Pressure (25°C) | 0 Pa (negligible) | < 0.01 mmHg | - |
| Viscosity (25°C) | ~80 – 120 cP | ~100 cP | Brookfield |
| Refractive Index (n²⁰/D) | ~1.540 – 1.545 | ~1.543 | ASTM D1218 |
| Water Solubility | Slightly soluble (< 0.1 g/L) | - | - |
| Solubility in Organic Solvents | Miscible with most organic solvents | - | - |
| Acid Value | ≤ 1.0 mg KOH/g | < 0.5 | Titration |
| Saponification Value | ~340 – 360 mg KOH/g | ~355 | Titration |
| Hydroxyl Value | ≤ 5.0 mg KOH/g | < 2.0 | Titration |
| Surface Tension | ~35 – 40 mN/m | ~38 mN/m | - |
| Property | Description |
|---|---|
| Solvency Power | High solvency for polar and moderately polar polymers, resins, and plasticizers |
| Plasticizing Efficiency | Excellent plasticizing properties for PVC, polyurethanes, acrylics, and other polymers |
| Low Volatility | High molecular weight (314 g/mol) ensures low evaporation loss |
| Thermal Stability | Stable at high processing temperatures |
| Compatibility | Excellent compatibility with PVC, PU, acrylics, polystyrene, and other polar polymers |
| Low Freezing Point | Remains liquid at -30°C, suitable for cold weather applications |
| Versatility | Suitable for adhesives, sealants, coatings, inks, and polymer modification |
| Water Resistance | Provides good water resistance in formulations |
| Chemical Inertness | Non-reactive with most chemicals under normal conditions |
| Mild Odor | Mild characteristic odor, suitable for consumer products |
| Application | Function / Benefit | Typical Use Level |
|---|---|---|
| Water-Based Adhesives | Plasticizer, improves flexibility and adhesion | 5 – 15% |
| Hot Melt Adhesives | Plasticizer, reduces viscosity, improves flexibility | 5 – 20% |
| Pressure Sensitive Adhesives (PSA) | Plasticizer, improves tack and peel strength | 5 – 15% |
| Construction Adhesives | Plasticizer, improves flexibility and weather resistance | 5 – 15% |
| Polyurethane Sealants | Plasticizer, improves workability and flexibility | 5 – 15% |
| Epoxy Sealants | Plasticizer, improves flexibility | 5 – 10% |
| Polysulfide Sealants | Plasticizer, improves workability | 5 – 15% |
Description: DGB is widely used in adhesive and sealant formulations due to its excellent solvency, compatibility with polar polymers, and plasticizing efficiency. It improves flexibility, adhesion, wetting, and tack in water-based adhesives. In hot melt adhesives, it reduces viscosity and improves flexibility. It also finds application in pressure sensitive adhesives and construction adhesives. Its low volatility ensures long-term flexibility and adhesion performance.
| Application | Function / Benefit | Typical Use Level |
|---|---|---|
| Industrial Coatings | Plasticizer, improves flexibility and adhesion | 2 – 10% |
| Automotive Coatings | Plasticizer, improves flexibility and weatherability | 2 – 8% |
| Wood Coatings | Plasticizer, improves flexibility and film formation | 2 – 8% |
| Coil Coatings | Plasticizer, improves flexibility and adhesion | 2 – 8% |
| Flexographic Inks | Plasticizer, improves flexibility and adhesion | 3 – 10% |
| Gravure Inks | Plasticizer, improves flexibility and printability | 3 – 10% |
| Screen Printing Inks | Plasticizer, improves flexibility and adhesion | 3 – 8% |
Description: DGB is used in coatings and printing inks to improve flexibility, adhesion, and workability. It functions as a film-forming aid and plasticizer in industrial, automotive, and wood coatings. In printing inks (flexographic, gravure, screen printing), it improves flexibility and adhesion to substrates, enhancing print quality and durability.
| Application | Function / Benefit | Typical Use Level |
|---|---|---|
| PVC Applications | ||
| Flexible PVC | Primary/secondary plasticizer, provides flexibility and durability | 20 – 50% (phr) |
| PVC Plastisols | Viscosity modifier, improves processing | 15 – 35% (phr) |
| PVC Films | Plasticizer, provides flexibility and clarity | 20 – 40% (phr) |
| Polyurethane Applications | ||
| Polyurethane Elastomers | Plasticizer, improves flexibility and processability | 5 – 20% |
| Polyurethane Foams | Plasticizer, improves flexibility | 5 – 15% |
| Other Polymers | ||
| Polystyrene | Plasticizer, improves flow and impact resistance | 5 – 15% |
| Acrylic Resins | Plasticizer, improves flexibility and processing | 5 – 15% |
| Nitrile Rubber | Plasticizer, improves low-temperature flexibility | 5 – 20% |
| Resin Modification | ||
| Polyester Resins | Plasticizer, improves flexibility | 5 – 15% |
| Epoxy Resins | Plasticizer, improves flexibility | 5 – 10% |
Description: DGB is an excellent plasticizer for PVC, polyurethanes, and other polar polymers. In PVC applications, it provides flexibility, durability, and good processing characteristics. It is used in flexible PVC products including films, plastisols, and sheeting. It is also an effective plasticizer for polyurethane elastomers, foams, and sealants. Its compatibility with polystyrene, acrylic resins, and other polymers expands its application range.
| Application | Function / Description | Typical Use Level |
|---|---|---|
| Industrial Cleaners | Solvent and plasticizer | 5 – 20% |
| Dye Carriers | Carrier and solvent for dyes | 5 – 20% |
| Textile Coatings | Plasticizer for textile coating applications | 10 – 30% |
| Agrochemicals | Solvent and carrier for pesticides | 5 – 20% |
| Personal Care Products | Plasticizer, emollient | 1 – 5% |
| Rubber Compounds | Plasticizer, improves processability | 5 – 15% |
| Property | DGB | DPGDB | DOP (DEHP) | DOTP |
|---|---|---|---|---|
| Chemical Class | Benzoate Ester | Benzoate Ester | Phthalate | Terephthalate |
| CAS Number | 120-55-8 | 27138-31-4 | 117-81-7 | 6422-86-2 |
| Molecular Weight | 314.3 g/mol | 326.39 g/mol | 390.56 g/mol | 390.56 g/mol |
| Density (25°C) | 1.175 g/cm³ | 1.144 g/cm³ | 0.986 g/cm³ | 0.984 g/cm³ |
| Volatility | Low | Very Low | Low | Very Low |
| PVC Compatibility | Excellent | Excellent | Excellent | Excellent |
| Plasticizing Efficiency | High | High | High | High |
| Migration Resistance | Good | Excellent | Moderate | Excellent |
| Low Temperature Flexibility | Good | Good | Excellent | Excellent |
| Toxicity/Regulatory | Low toxicity, non-phthalate | Low toxicity, non-phthalate | Restricted | Preferred alternative |
| Environmental Status | Environmentally friendly | Environmentally friendly | Phthalate concern | Preferred alternative |
| Parameter | Description |
|---|---|
| High Solvency Power | Excellent solvency for polar and moderately polar polymers and resins |
| Low Volatility | Very low vapor pressure; provides permanent plasticization |
| Excellent Compatibility | Compatible with a wide range of polar polymers (PVC, PU, acrylics, PS) |
| Good Migration Resistance | Resistant to migration; maintains properties over time |
| Excellent Thermal Stability | Stable at high processing temperatures |
| Low Freezing Point | Remains liquid at -30°C; suitable for cold weather applications |
| Versatility | Suitable for adhesives, plastics, coatings, inks, sealants, and industrial chemicals |
| Non-Phthalate | Phthalate-free alternative for sensitive applications |
| Good Extractability Resistance | Resistant to extraction by water, oils, and solvents |
| Regulatory Acceptance | Widely accepted in global regulations |
| Region / Authority | Status | Description |
|---|---|---|
| European Union | Permitted | No specific restriction; REACH registered |
| Turkey | Permitted | Compliant with EU legislation |
| USA (FDA) | Permitted | Approved for specific applications |
| Japan | Permitted | Compliant with Japanese regulations |
| China | Permitted | Compliant with Chinese regulations |
| REACH | Registered | EC 1907/2006 compliant |
| TSCA (USA) | Listed | Toxic Substances Control Act |
| EINECS (EU) | 204-407-6 | European Inventory of Existing Chemical Substances |
| INCI | Listed | Diethylene Glycol Dibenzoate |
| Parameter | Assessment | Test System |
|---|---|---|
| Acute Oral Toxicity (LD50) | > 2,000 mg/kg | Rat |
| Acute Dermal Toxicity (LD50) | > 2,000 mg/kg | Rabbit |
| Acute Inhalation Toxicity (LC50) | > 5 mg/L | Rat |
| Skin Irritation | Non-irritating to mildly irritating | Rabbit (Draize test) |
| Eye Irritation | May cause mild irritation | Rabbit (Draize test) |
| Skin Sensitization | Low potential | Human Patch Test |
| Mutagenicity | Not mutagenic | Ames Test |
| Carcinogenicity | Not classified | - |
| Reproductive Toxicity | Not classified | - |
| Biodegradability | Readily biodegradable | OECD 301F |
First Aid Measures:
Skin: Wash with soap and water
Eyes: Rinse with plenty of water
Ingestion: Do not induce vomiting; seek medical attention
| Parameter | Description |
|---|---|
| Storage Temperature | 15 – 30°C (cool and dry) |
| Storage Conditions | Well-ventilated, moisture-protected area |
| Container Requirements | HDPE drums, IBC containers, or PE-lined steel drums |
| Protect From | Strong oxidizing agents, strong acids, strong bases |
| Shelf Life | 24 – 36 months (unopened, recommended conditions) |
| Degradation Signs | Color change (darkening), acid value increase, odor change |
Packaging Options:
25 kg, 50 kg, 200 kg HDPE drums
1000 kg IBC (Intermediate Bulk Container)
1 kg, 5 kg, 10 kg (upon request)
| Parameter | Description |
|---|---|
| UN Number | Not regulated (non-hazardous) |
| Hazard Class | Not classified as dangerous goods |
| Packing Group | Not applicable |
| Marine Pollutant | No |
| Transport Temperature | Ambient temperature (15-30°C) |
| Transport Precautions | Protect from moisture and excessive heat |
| Packaging Precautions | Use leak-proof, sturdy packaging |
| Certificate / Standard | Status | Description |
|---|---|---|
| ISO 9001:2015 | Certified | Quality management system |
| ISO 14001:2015 | Certified | Environmental management system |
| REACH | Registered | Compliant with EU chemical regulations |
| FDA 21 CFR | Compliant | Suitable for FDA-regulated applications |
| Certificate of Analysis (COA) | Provided with each batch | Includes binding specifications |
| Safety Data Sheet (SDS) | Available | Current 16-section document |
| Technical Data Sheet (TDS) | Available | Comprehensive technical information |
| Good Manufacturing Practices (GMP) | Compliant | Manufacturing quality standards |
| Item | Description |
|---|---|
| Information Purpose | This Technical Data Sheet (TDS) is for informational purposes only and does not constitute a binding specification. |
| Typical Values | Values stated herein are based on typical laboratory results and may vary slightly between production batches. |
| Binding Data | For binding specifications, the Certificate of Analysis (COA) for each batch should be requested. |
| User Responsibility | The user is solely responsible for determining the suitability of the product for the intended application and ensuring compliance with all applicable regulations. |
| SDS Requirement | A current Safety Data Sheet (SDS) should be requested from the supplier prior to use. |
| Safety Information | Safety information in this document is based on current knowledge but does not constitute a guarantee of the product's health and safety risks. |
| Regulatory Changes | The user is responsible for monitoring local and international regulatory changes. |
| Product Quality | Product quality is guaranteed in accordance with the standards specified in this document. |
| License / Patents | This document does not grant any license or patent rights for use of the product. |
| Compatibility | Product compatibility with specific formulations should be confirmed through testing. |
DISCLAIMER (LEGAL NOTICE): This Technical Data Sheet (TDS) is for informational purposes only and does not constitute a binding specification. The values stated herein are based on typical laboratory results. The user is solely responsible for determining the suitability of the product for the intended application and for ensuring compliance with all local regulations. A current Safety Data Sheet (SDS) and Certificate of Analysis (COA) should be requested prior to use. Product compatibility with specific formulations should be confirmed through testing. This document does not grant any license or patent rights for use of the product.