2,6-Dimethylphenyl isocyanate
2,6-Dimethylphenyl isocyanate (CAS 28556-81-2) is a chemical compound with the linear formula (CH3)2C6H3NCO and a molecular weight of 147.17 g/mol. This organic building block is primarily employed in chemical synthesis. Its applications include the preparation of derivatized cyclodextrins for chiral chromatography and the synthesis of specific organometallic compounds and urea derivatives. Tech Serve Solutions supplies this reagent with an assay of 99%.
- Synonyms
- (CH3)2C6H3NCO

Preparation of Derivatized Cyclodextrins
2,6-Dimethylphenyl isocyanate is utilised in the synthesis of derivatized beta-cyclodextrins. These compounds are then employed as chiral stationary phases in normal-phase liquid chromatography, aiding in the separation of enantiomers.
Synthesis of Organometallic Compounds
This isocyanate serves as a precursor in the formation of specific organometallic complexes, such as tris(2,6-dimethylphenylimido)methylrhenium(VII), contributing to advancements in inorganic chemistry research.
Formation of Urea Derivatives
It is used in the synthesis of substituted ureas, for instance, 1-(2-isopropylphenyl)-3-(2,6-dimethylphenyl)urea. This highlights its utility in constructing diverse organic molecular architectures.
| Molecular weight | 147.17 |
|---|---|
| Linear formula | (CH3)2C6H3NCO |
| Assay | 99% |
| Boiling point | 87-89 °C/12 mmHg(lit.) |
| Density | 1.057 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5356(lit.) |
| Storage temperature | 2-8°C |
| Application | 2,6-Dimethylphenyl isocyanate has been used in the preparation of:• derivatized β-cyclodextrins, used as chiral stationary phase in normal-phase liquid chromatography1• tris(2,6-dimethylphenylimido)methylrhenium (VII)2• 1-(2-isopropylphenyl)-3-(2,6-dimethylphenyl)urea3 |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 87 °C / 188.6 °F |
| Transport (UN / ADR) | UN 2206 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 23-26-27-28-37/39 |
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 2,6-Dimethylphenyl isocyanate used for?
+
2,6-Dimethylphenyl isocyanate is primarily used as a building block in chemical synthesis for applications such as preparing derivatized cyclodextrins, specific organometallic compounds, and urea derivatives.
What are the CAS number and formula for 2,6-Dimethylphenyl isocyanate?
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The CAS number is 28556-81-2 and the linear formula is (CH3)2C6H3NCO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,6-Dimethylphenyl isocyanate with a purity of 99% assay. It is supplied as a chemical reagent and not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,6-Dimethylphenyl isocyanate be handled safely?
+
2,6-Dimethylphenyl isocyanate is harmful if swallowed, inhaled, or in contact with skin, and causes skin and eye irritation, and respiratory irritation. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. Handle in a well-ventilated area.
How is 2,6-Dimethylphenyl isocyanate packed and shipped?
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2,6-Dimethylphenyl isocyanate is packed according to relevant shipping regulations for hazardous materials (UN 2206, Class 6.1). Tech Serve Solutions, as a global supplier and exporter, ensures compliant packaging for international shipment.
How can I request a quote or sample of 2,6-Dimethylphenyl isocyanate?
+
To request a quote or a sample, please contact the Tech Serve Solutions sales team through the website or by phone, providing the product name and CAS number.
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