Isopropyl isothiocyanate
Isopropyl isothiocyanate (CAS: 2253-73-8) is a chemical compound with the linear formula (CH₃)₂CHNCS and a molecular weight of 101.17 g/mol. This flammable liquid is recognised for its utility as a versatile organic building block in chemical synthesis. Its properties lend themselves to applications within research and development, particularly in areas like cell biology and nutrition research, contributing to advancements in various scientific fields.
- IUPAC
- Isopropyl mustard oil
- Synonyms
- Isopropyl mustard oil1-Isothiocyanato-1-methylethaneIsopropyl thioisocyanate

Organic Synthesis Reagent
Serves as a key building block in the synthesis of more complex organic molecules. Its reactive isothiocyanate group allows for facile derivatisation.
Research and Development
Utilised in laboratory settings for exploring new chemical reactions and developing novel compounds. Applications extend to areas such as cell biology and nutrition research.
Phytochemical Investigations
Related to compounds found in plants like Armoracia rusticana (Horseradish), it can be used in studies investigating natural product chemistry and its biological activities.
| Molecular weight | 101.17 |
|---|---|
| Linear formula | (CH3)2CHNCS |
| Assay | 97% |
| Boiling point | 29-30 °C/10 mmHg(lit.) |
| Density | 0.948 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 40 °C / 104 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 Isopropyl isothiocyanate used for?
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Isopropyl isothiocyanate is primarily used as an organic building block in chemical synthesis and in research and development, including cell biology and nutrition research.
What is the CAS number and chemical formula for Isopropyl isothiocyanate?
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The CAS number is 2253-73-8, and the linear chemical formula is (CH₃)₂CHNCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isopropyl isothiocyanate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Isopropyl isothiocyanate be handled safely?
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Isopropyl isothiocyanate is a flammable liquid (H226) and an irritant to skin, eyes, and respiratory tract (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Ensure proper storage away from ignition sources.
Is Isopropyl isothiocyanate a controlled substance?
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The provided data does not indicate that Isopropyl isothiocyanate is a controlled substance.
How is Isopropyl isothiocyanate packed, shipped, and exported?
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Tech Serve Solutions exports fine chemicals globally. Packing and shipping adhere to international regulations for hazardous materials, including UN 1993 classification.
How can I request a quote or sample of Isopropyl isothiocyanate?
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To request a quote or sample, please contact our sales department via the website or by phone, providing your contact details and the required quantity.
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