Benzyl isothiocyanate
Benzyl isothiocyanate (CAS: 622-78-6), a sulfur-containing organic compound with the formula C6H5CH2NCS, is a versatile chemical reagent. It serves as a crucial building block in organic synthesis, particularly for preparing specific sulfur-containing amino acid derivatives. Its applications extend to cell biology and nutritional research, leveraging its reactivity in biochemical pathways. Tech Serve Solutions supplies Benzyl isothiocyanate for laboratory and research applications.
- IUPAC
- Benzyl mustard oil,Isothiocyanotaomethylbenzene
- Synonyms
- IsothiocyanotaomethylbenzeneBenzyl mustard oil

Organic Synthesis Intermediate
Benzyl isothiocyanate is utilised in the synthesis of complex organic molecules. It has been specifically employed in the preparation of S-(N-benzylthiocarbamoyl)-L-glutathione and S-(N-benzylthiocarbamoyl)-L-cysteine, demonstrating its role in creating functionalised amino acid derivatives.
Biochemical Research
As a naturally occurring compound found in plants like onions and horseradish, Benzyl isothiocyanate is of interest in nutritional research and cell biology. Its biochemical properties allow for its use in investigating various biological processes and pathways.
Reagent for Thiocarbamoylation
The isothiocyanate group (-NCS) in Benzyl isothiocyanate makes it an effective reagent for introducing the benzylthiocarbamoyl moiety. This functionality is valuable for modifying biomolecules or synthesizing novel compounds with potential pharmaceutical relevance.
| Molecular weight | 149.21 |
|---|---|
| Linear formula | C6H5CH2NCS |
| Assay | 98% |
| Boiling point | 242-243 °C(lit.) |
| Density | 1.125 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.601(lit.) |
| Storage temperature | 2-8°C |
| Application | Benzyl isothiocyanate has been used in the preparation of S-(N-benzylthiocarbamoyl)-L-glutathione and S-(N-benzylthiocarbamoyl)-L-cysteine1. |


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 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42/43 |
| Safety statements (S) | 26-36/37/39 |
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 Benzyl isothiocyanate primarily used for?
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Benzyl isothiocyanate (CAS: 622-78-6) is primarily used as an intermediate in organic synthesis, notably for preparing specific S-(N-benzylthiocarbamoyl)-L-glutathione and S-(N-benzylthiocarbamoyl)-L-cysteine derivatives. It also finds applications in cell biology and nutritional research.
What is the CAS number and chemical formula for Benzyl isothiocyanate?
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The CAS number for Benzyl isothiocyanate is 622-78-6, and its chemical formula is C6H5CH2NCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl isothiocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade; it is supplied for research and laboratory use.
What are the main safety hazards associated with Benzyl isothiocyanate?
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Benzyl isothiocyanate is classified as dangerous. It is harmful if swallowed, in contact with skin, and if inhaled. It also causes skin irritation, serious eye irritation, and may cause respiratory irritation and an allergic skin reaction.
How is Benzyl isothiocyanate typically packaged and shipped?
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Benzyl isothiocyanate is packaged to maintain its stability and integrity during transport. It is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample for Benzyl isothiocyanate?
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To request a quote or a sample of Benzyl isothiocyanate, please contact the Tech Serve Solutions sales team through our website or by phone. Provide the product name and CAS number (622-78-6) for efficient processing.
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