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Send EmailDiisononyl Phthalate, DINP, 28553-12-0
| Parameter | Information |
|---|---|
| Chemical Name | Diisononyl Phthalate |
| Abbreviation | DINP |
| CAS Number | 28553-12-0 |
| EC Number (EINECS) | 249-079-5 |
| Chemical Formula | C₂₆H₄₂O₄ |
| Molecular Weight | 418.6 g/mol |
| Appearance | Clear, colorless liquid |
| Odor | Characteristic |
| Property | Value | Test Method |
|---|---|---|
| Appearance | Clear, colorless liquid | Visual |
| Color (APHA) | Max. 30 | ASTM D 5386 |
| Density (20°C) | 0.970 – 0.974 g/cm³ | ASTM D 4052 |
| Viscosity (20°C) | 70 – 80 mPa·s | ASTM D 7042 |
| Refractive Index (20°C) | 1.4830 – 1.4870 | ASTM D 1045 |
| Flash Point | Min. 205°C (open cup) | ASTM D 92 |
| Acid Number | Max. 0.07 mg KOH/g | ASTM D 1045 |
| Water Content | Max. 0.05% | ASTM E 203 |
| Boiling Point | ~340 °C | - |
| Vapor Pressure (20°C) | < 0.01 mmHg | - |
| Solubility | Insoluble in water, soluble in organic solvents | - |
Chemical Structure:
O
||
R — O — C — C₆H₄ — C — O — R
||
O
R = Isononyl group (C₉H₁₉)
IUPAC Name: 1,2-Benzenedicarboxylic acid, diisononyl ester
SMILES: CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC
DINP is a high-performance plasticizer widely used in PVC and its derivatives. Main application areas include:
| Sector | Application |
|---|---|
| PVC Processing | PVC pastes and compounds |
| Calendering | Calendering systems |
| Automotive | Interior trim parts, upholstery, seals |
| Cable Production | Electrical cables (flexibility and resistance) |
| Synthetic Leather | Artificial leather production |
| Coated Fabrics | Coated fabric production |
| Flooring | PVC floor coverings and vinyl flooring |
| Flexible PVC | General flexible PVC products |
| Advantage | Description |
|---|---|
| Low Viscosity | Lower viscosity than DOP; more fluid and processable paste |
| Low Migration | Extends product lifespan; additive does not migrate to surface |
| Low Density | Volume advantage; more volume per weight |
| Viscosity Stability | PVC pastes maintain consistency over long periods |
| REACH Compliance | Not restricted; compliant with EU regulations |
| Electrical Resistance | Provides safety in cable and electrical applications |
| Does Not Alter Polymer Structure | Modifies physical/mechanical properties without chemical change |
| Easy Gelation | Fast and easy gelation with most polymeric materials |
| Flexibility Control | Enables desired elasticity in final products |
| Feature | Description |
|---|---|
| Long-Term Flexibility | Low migration ensures more durable products |
| Processing Ease | Low viscosity enables faster and more efficient production |
| Environmental & Regulatory Compliance | Not restricted under REACH |
| Versatility | Suitable for both rigid and flexible PVC applications |
| Thermal Stability | Suitable for high-temperature processing |
| Property | DINP | DOP |
|---|---|---|
| Viscosity | Lower | Higher |
| Migration | Lower | Higher |
| Density | Lower | Higher |
| REACH Status | Not restricted | Restricted |
| Temperature Resistance | Better | Standard |
| Flexibility Lifespan | Longer | Standard |
| Parameter | Value |
|---|---|
| Oral LD50 (Rat) | > 2,000 mg/kg |
| Skin Contact | May cause mild irritation |
| Eye Contact | May cause irritation |
| Inhalation | May cause irritation upon prolonged exposure |
| Carcinogenicity | Not classified |
| Mutagenicity | Negative |
| Endocrine Disruptor | Not considered a concern |
| Hazard Category | Description |
|---|---|
| Skin Irritation | Category 2 (H315) |
| Eye Irritation | Category 2 (H319) |
| Route of Exposure | Action |
|---|---|
| Inhalation | Remove to fresh air. If respiratory irritation persists, seek medical attention. |
| Skin Contact | Wash with plenty of soap and water. Remove contaminated clothing. |
| Eye Contact | Rinse thoroughly with water for at least 15 minutes. Seek medical attention. |
| Ingestion | Do NOT induce vomiting. Rinse mouth. Seek medical attention. |
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, well-ventilated area |
| Container Requirements | Tightly closed, original packaging |
| Protect From | Moisture, heat, strong oxidizing agents |
| Shelf Life | 12-24 months (with proper storage) |
| Temperature | 15-30°C |
| Packaging | IBC, steel drum, HDPE canister |
| Parameter | Information |
|---|---|
| UN Number | Not regulated (not a hazardous material) |
| Hazard Class | Not applicable |
| Packing Group | Not applicable |
| Marine Pollutant | No |
| Region / Authority | Status |
|---|---|
| European Union (REACH) | Registered, not restricted |
| USA (EPA TSCA) | Listed on TSCA inventory |
| RoHS | Compliant |
| Food Contact | Limited use (FDA compliant grades available) |
| Type | Name |
|---|---|
| Turkish Names | Diizonil Ftalat |
| English Names | Diisononyl Phthalate, DINP, 1,2-Benzenedicarboxylic acid diisononyl ester |
| CAS Number | 28553-12-0 |
| Parameter | Value |
|---|---|
| Product | Diisononyl Phthalate (DINP) |
| CAS Number | 28553-12-0 |
| Formula | C₂₆H₄₂O₄ |
| Molecular Weight | 418.6 g/mol |
| Appearance | Clear, colorless liquid |
| Flash Point | > 205°C |
| Primary Application | PVC plasticizer / plasticizer |
1. REACH COMPLIANCE: DINP is a phthalate not restricted under REACH. Preferred as an alternative to DOP and DEHP.
2. LOW MIGRATION: DINP shows lower migration compared to DOP. Ensures longer product lifespan.
3. PROCESSING EASE: Lower viscosity ensures easier processing and homogeneous distribution in PVC pastes.
4. FOOD CONTACT: Limited use in food contact applications. FDA-compliant grades should be preferred.
5. STORAGE: Store in a cool, dry place away from moisture. Temperature control is important for long-term storage.
6. THERMAL STABILITY: Suitable for high-temperature processing. Successfully used in calendering and extrusion processes.
7. ELECTRICAL APPLICATIONS: Provides high electrical resistance in cable and electrical applications.
8. VERSATILITY: Can be used in both rigid and flexible PVC applications.
IMPORTANT DISCLAIMER: This Technical Data Sheet (TDS) is for informational purposes only and is prepared based on available technical data. The user is responsible for determining the suitability of the product for their specific application and for complying with all local, national, and international regulations. For complete safety, storage, use, handling, disposal, and regulatory compliance information, refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. This document is not a substitute for professional or medical advice.