Tolylene-2,6-diisocyanate
Tolylene-2,6-diisocyanate (CAS 91-08-7) is a diisocyanate with the linear formula CH₃C₆H₃(NCO)₂ and a molecular weight of 174.16 g/mol. It is a key monomer used in the synthesis of polymers, particularly polyurethanes, due to the reactivity of its isocyanate groups. This compound is utilized in materials science and polymer chemistry for creating advanced materials with specific performance characteristics.
- IUPAC
- 2-Methyl-m-phenylene diisocyanate
- Synonyms
- 2,6-TDI2,6-Tolylenediisocyanate2-Methyl-m-phenylene diisocyanate
Polymer Synthesis
Serves as a crucial monomer in the production of polyurethanes and other polymers. Its diisocyanate functionality allows for cross-linking and chain extension, contributing to the formation of robust polymeric structures.
Materials Science
Employed in the development of novel materials requiring specific mechanical and thermal properties. Its incorporation into polymer chains can enhance characteristics such as hardness, elasticity, and chemical resistance.
Chemical Intermediate
Acts as a versatile intermediate in organic synthesis. The reactive isocyanate groups can undergo various addition reactions to form different functional groups and molecules.
| Molecular weight | 174.16 |
|---|---|
| Linear formula | CH3C6H3(NCO)2 |
| Assay | 97% |
| Boiling point | 129-133 °C/18 mmHg(lit.) |
| Density | 1.225 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.571(lit.) |
| Autoignition temp | >1148 °F |
| Storage temperature | 2-8°C |
Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H330Fatal if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
- H351Suspected of causing cancer
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 2078 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26-36/37/38-40-42/43-52/53 |
| Safety statements (S) | 23-36/37-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tolylene-2,6-diisocyanate used for?
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Tolylene-2,6-diisocyanate is primarily used as a monomer in the synthesis of polymers, especially polyurethanes, and in materials science and polymer chemistry for the development of advanced materials.
What is the CAS number and chemical formula for Tolylene-2,6-diisocyanate?
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The CAS number is 91-08-7 and the linear chemical formula is CH₃C₆H₃(NCO)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tolylene-2,6-diisocyanate with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should Tolylene-2,6-diisocyanate be handled safely?
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Tolylene-2,6-diisocyanate is a hazardous substance, indicated by GHS symbols GHS06 and GHS08 with a Danger signal word. It causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye irritation (H319), is fatal if inhaled (H330), may cause allergy or asthma symptoms or breathing difficulties if inhaled (H334), may cause respiratory irritation (H335), is suspected of causing cancer (H351), and is harmful to aquatic life with long lasting effects (H412). Always use appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator, and handle in a well-ventilated area, strictly following recommended safety protocols.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports chemicals globally, adhering to all relevant international regulations and safety standards for hazardous materials.
How can I request a sample or a quote?
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To request a sample or a quote for Tolylene-2,6-diisocyanate, please contact our sales team through the details provided on our website.
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