2-Methoxyphenyl isothiocyanate
2-Methoxyphenyl isothiocyanate (CAS 3288-04-8), with the molecular formula CH3OC6H4NCS and a molecular weight of 165.21 g/mol, is a key organic building block. It serves as a versatile intermediate in chemical synthesis, particularly for introducing the isothiocyanate functional group into organic molecules. Its properties make it valuable for researchers and manufacturers in the development of novel chemical entities.

Organic Synthesis Intermediate
Utilised as a reactive intermediate in the synthesis of various organic compounds. The isothiocyanate group readily reacts with nucleophiles, enabling the formation of diverse heterocyclic and acyclic structures.
Building Block for Heterocycles
Serves as a precursor for the construction of sulphur- and nitrogen-containing heterocyclic systems. These structures are often found in pharmaceuticals and agrochemicals.
Reagent in Chemical Research
Employed in academic and industrial research laboratories for the exploration of new chemical reactions and the creation of novel molecular architectures.
| Molecular weight | 165.21 |
|---|---|
| Linear formula | CH3OC6H4NCS |
| Assay | 98% |
| Boiling point | 264-266 °C(lit.) |
| Density | 1.196 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6443(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 1760 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 2-Methoxyphenyl isothiocyanate used for?
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2-Methoxyphenyl isothiocyanate is primarily used as an intermediate in organic synthesis and as a building block for creating heterocyclic compounds and other novel organic molecules in research and development settings.
What is the CAS number and molecular formula for 2-Methoxyphenyl isothiocyanate?
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The CAS number is 3288-04-8 and the molecular formula is CH3OC6H4NCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methoxyphenyl isothiocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2-Methoxyphenyl isothiocyanate be handled safely?
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Handling requires strict safety precautions due to its corrosive and irritating nature. Wear appropriate personal protective equipment, including full-face shields, gloves, goggles, and suitable respiratory protection. Avoid inhalation of vapours and contact with skin and eyes. Store in a well-ventilated area.
How is 2-Methoxyphenyl isothiocyanate packed and exported?
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As a specialist global supplier, Tech Serve Solutions ensures secure and compliant packing for international export, adhering to all relevant transportation regulations for hazardous materials like UN 1760, 8 / PGII.
How can I request a quote or sample for 2-Methoxyphenyl isothiocyanate?
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To request a quote or sample, please contact our sales team directly through the website or by calling our office, providing the product name and CAS number.
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