Butyl isothiocyanate
Butyl isothiocyanate (CAS 592-82-5), with the linear formula CH3(CH2)3NCS, is a sulfur-containing organic compound with a molecular weight of 115.20 g/mol. It is recognised for its utility as a chemical building block in synthesis. This compound finds application in specialised areas, including organic synthesis and cell biology research, contributing to the development of new molecular entities and experimental methodologies.

Chemical Synthesis
Butyl isothiocyanate serves as a versatile organic building block in chemical synthesis. Its reactive isothiocyanate group allows for versatile chemical transformations, enabling the construction of complex organic molecules.
Cell Biology Research
In cell biology, Butyl isothiocyanate has been employed as a capping reagent. It is used to immobilise functionalised derivatives of molecular switches, aiding in the study of cellular processes and interactions at a molecular level.
Nutrition Research
As a phytochemical derived from plants like Armoracia rusticana (Horseradish), Butyl isothiocyanate is relevant in nutrition research. It is studied for its potential biological activities and presence in natural food sources.
| Molecular weight | 115.20 |
|---|---|
| Linear formula | CH3(CH2)3NCS |
| Assay | 99% |
| Boiling point | 70-71 °C/35 mmHg(lit.) |
| Density | 0.955 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5(lit.) |
| Application | Butyl isothiocyanate has been used as capping reagent to immobilize the functionalized derivative of Oregon Green 514 molecular switch on a preformed amino self assembled monlayer1. |



Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 66 °C / 150.8 °F |
| Transport (UN / ADR) | UN 2927 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34-42 |
| Safety statements (S) | 23-26-36/37-39-45 |
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 Butyl isothiocyanate used for?
+
Butyl isothiocyanate is primarily used as a chemical building block in organic synthesis and in cell biology research as a capping reagent for immobilising functionalised molecular switches. It is also studied in nutrition research due to its presence in certain phytochemicals.
What is the CAS number and formula for Butyl isothiocyanate?
+
The CAS number for Butyl isothiocyanate is 592-82-5, and its linear formula is CH3(CH2)3NCS.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Butyl isothiocyanate with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise.
How should Butyl isothiocyanate be handled safely?
+
Butyl isothiocyanate is a dangerous substance requiring careful handling. It is harmful if swallowed, in contact with skin, or if inhaled, and causes severe skin burns and eye damage. It may also cause an allergic skin reaction and respiratory irritation. Always use appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, and handle in a well-ventilated area.
Is Butyl isothiocyanate a controlled substance?
+
The provided data does not indicate that Butyl isothiocyanate is a controlled substance. However, customers should verify local regulations.
How are products like Butyl isothiocyanate packed, shipped, and exported?
+
Tech Serve Solutions carefully packs chemicals according to international shipping regulations to ensure safe transit. We have extensive experience in exporting fine chemicals globally.
How can I request a sample or quote for Butyl isothiocyanate?
+
To request a sample or obtain a quote for Butyl isothiocyanate, please contact our sales team through the website or by phone, providing your specific requirements.
▶ 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