Decyl isocyanate
Decyl isocyanate (CAS: 1191-69-1), with the linear formula CH3(CH2)9NCO and a molecular weight of 183.29 g/mol, is a versatile organic building block. This isocyanate compound is primarily utilised in chemical synthesis for introducing the decyl isocyanate functional group into various molecules. It serves as a key intermediate in the production of specialised polymers, pharmaceuticals, and other fine chemicals, requiring careful handling due to its reactivity and hazard profile.

Organic Synthesis Intermediate
Decyl isocyanate is a valuable reagent in organic synthesis, enabling the formation of urethane, urea, and amide linkages. Its long alkyl chain offers unique properties to the resulting molecules.
Polymer Chemistry
It can be employed as a monomer or a modifying agent in the synthesis of specialised polymers, influencing properties such as hydrophobicity and flexibility.
Pharmaceutical and Agrochemical Research
The compound may serve as a building block in the research and development of new pharmaceutical agents and agrochemicals, where specific functional groups are required.
| Molecular weight | 183.29 |
|---|---|
| Linear formula | CH3(CH2)9NCO |
| Assay | 98% |
| Boiling point | 85-89 °C(lit.) |
| Density | 0.880 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4360(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- 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 | 90 °C / 194 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 23-26-36/37-45 |
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 Decyl isocyanate used for?
+
Decyl isocyanate is primarily used as an intermediate in organic synthesis, particularly for creating urethane and urea linkages in the development of polymers, pharmaceuticals, and other fine chemicals.
What is the CAS number and formula for Decyl isocyanate?
+
The CAS number for Decyl isocyanate is 1191-69-1, and its linear formula is CH3(CH2)9NCO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Decyl isocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Decyl isocyanate be handled safely?
+
Decyl isocyanate is a Danger material, harmful if swallowed, in contact with skin, and if inhaled. It causes skin irritation, serious eye irritation, and may cause respiratory irritation and allergic skin reactions. Use of full-face PPE, gloves, and appropriate respiratory protection is essential.
How is Decyl isocyanate packed and exported?
+
Decyl isocyanate is shipped according to transport regulations, classified under NA 1993 / PGIII. Tech Serve Solutions exports globally, adhering to all necessary shipping and customs requirements.
How can I request a quote or sample?
+
To request a quote or sample of Decyl isocyanate, please contact our sales team through the website or by calling our direct line.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis