Pentyl isocyanate
Pentyl isocyanate (CAS: 3954-13-0), with the linear formula CH3(CH2)4NCO and a molecular weight of 113.16 g/mol, is a reactive organic compound. It serves as a valuable building block in chemical synthesis. Its isocyanate functional group readily participates in addition reactions, making it useful for creating diverse organic molecules, particularly within the pharmaceutical and agrochemical sectors. Supplied by TSS with an assay of 98%.

Organic Synthesis Intermediate
Pentyl isocyanate is a versatile intermediate used in the synthesis of various organic compounds. Its isocyanate group is highly reactive towards nucleophiles, enabling its use in the formation of ureas, carbamates, and other nitrogen-containing derivatives.
Pharmaceutical Research
This compound finds application in medicinal chemistry as a reagent for modifying drug candidates or synthesizing novel pharmaceutical agents. Its structure allows for the introduction of the pentylcarbamoyl moiety into target molecules.
Agrochemical Development
Pentyl isocyanate can be employed in the development of new agrochemicals. It serves as a precursor for creating active ingredients or intermediates used in the formulation of pesticides and herbicides.
| Molecular weight | 113.16 |
|---|---|
| Linear formula | CH3(CH2)4NCO |
| Assay | 98% |
| Boiling point | 136-137 °C(lit.) |
| Density | 0.878 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.414(lit.) |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H318Causes serious eye damage
- H332Harmful 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
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 32 °C / 89.6 °F |
| Transport (UN / ADR) | UN 3080 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/21/22-36/37/38-41 |
| Safety statements (S) | 16-26-36/37/39-45 |
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 Pentyl isocyanate used for?
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Pentyl isocyanate is primarily used as a building block in organic synthesis, particularly for creating pharmaceuticals, agrochemicals, and other complex organic molecules through reactions involving its isocyanate functional group.
What are the CAS number and formula for Pentyl isocyanate?
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The CAS number for Pentyl isocyanate is 3954-13-0, and its linear formula is CH3(CH2)4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pentyl isocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated in the product specifications.
What are the main hazards associated with Pentyl isocyanate?
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Pentyl isocyanate is a flammable liquid and vapour (H226). It is harmful if swallowed (H302), in contact with skin (H312), or if inhaled (H332). It causes skin irritation (H315) and serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is Pentyl isocyanate packed, shipped, and exported?
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Pentyl isocyanate is packed according to relevant transport regulations for hazardous materials. TSS exports chemicals globally, adhering to all international shipping and customs requirements.
How can I request a sample or quote for Pentyl isocyanate?
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To request a sample or a quote for Pentyl isocyanate, please visit the product page on our website and use the 'Request Information' form, or contact our sales department directly.
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