1-Isocyanato-5,6,7,8-tetrahydronaphthalene
1-Isocyanato-5,6,7,8-tetrahydronaphthalene (CAS: 57235-17-3, C11H11NO) is a versatile organic building block with a molecular weight of 173.21 g/mol. This isocyanate compound serves as a valuable intermediate in chemical synthesis. Its properties make it suitable for various research and development applications, particularly in the creation of novel organic molecules and materials.
- Synonyms
- 8-tetrahydronaphthalene57235-17-3C11H11NO

Organic Synthesis Intermediate
Utilised as a reactive intermediate in the synthesis of complex organic molecules. Its isocyanate group readily participates in addition reactions with nucleophiles.
Pharmaceutical Research
A potential building block for the development of new pharmaceutical compounds. It can be incorporated into molecular structures requiring the tetrahydronaphthalene moiety.
Materials Science
Can be employed in the functionalisation of polymers or surfaces, introducing specific chemical properties through its reactive isocyanate group.
| Molecular weight | 173.21 |
|---|---|
| Empirical formula | C11H11NO |
| Assay | 97% |
| Boiling point | 264-265 °C(lit.) |
| Density | 1.112 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5640(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| 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 2206 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 23-26-36 |
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 1-Isocyanato-5,6,7,8-tetrahydronaphthalene used for?
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1-Isocyanato-5,6,7,8-tetrahydronaphthalene is primarily used as a building block in organic synthesis and potentially in pharmaceutical research and materials science.
What are the CAS number and formula for 1-Isocyanato-5,6,7,8-tetrahydronaphthalene?
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The CAS number is 57235-17-3, and the empirical formula is C11H11NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Isocyanato-5,6,7,8-tetrahydronaphthalene with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the key safety hazards associated with this compound?
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This compound is classified as Danger, with hazard statements including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (May cause respiratory irritation).
How is 1-Isocyanato-5,6,7,8-tetrahydronaphthalene packed and shipped?
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The product is classified under UN 2206, Hazard Class 6.1, Packing Group III, and is shipped according to relevant dangerous goods regulations.
How can I request a sample or a quote for 1-Isocyanato-5,6,7,8-tetrahydronaphthalene?
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Please contact our sales team or use the online enquiry form on our website to request a sample or a quote.
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