2-Bromo-4-methylphenyl isocyanate
2-Bromo-4-methylphenyl isocyanate (CAS: 71189-13-4), with the molecular formula C8H6BrNO, is a valuable organic building block. This compound is primarily utilised in chemical synthesis for the construction of more complex molecules. Its reactive isocyanate group makes it a key intermediate in the development of pharmaceuticals and other fine chemicals. TSS supplies this product with an assay of 96%.

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, leveraging its reactive isocyanate functionality for building complex heterocyclic structures.
Organic Synthesis Reagent
Serves as a versatile building block in organic chemistry for creating novel compounds with potential applications in materials science and agrochemicals.
Research and Development
Employed in academic and industrial research laboratories for exploring new chemical reactions and developing innovative molecular architectures.
| Molecular weight | 212.04 |
|---|---|
| Linear formula | CH3C6H3BrNCO |
| Assay | 96% |
| Boiling point | 215-216 °C(lit.) |
| Density | 1.494 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5770(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 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 2-Bromo-4-methylphenyl isocyanate used for?
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2-Bromo-4-methylphenyl isocyanate is primarily used as a building block in organic synthesis, particularly for the creation of pharmaceuticals and fine chemicals.
What are the CAS number and formula for 2-Bromo-4-methylphenyl isocyanate?
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The CAS number is 71189-13-4, and the molecular formula is C8H6BrNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Bromo-4-methylphenyl isocyanate with an assay of 96%. TSS does not represent this product as USP, BP, or EP grade.
What are the primary safety hazards associated with this chemical?
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This compound is a danger to health, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Appropriate personal protective equipment, including eye shields, gloves, and respiratory protection, is essential.
Is 2-Bromo-4-methylphenyl isocyanate available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Bromo-4-methylphenyl isocyanate.
How can I request a sample or a quote?
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To request a sample or a quote for 2-Bromo-4-methylphenyl isocyanate, please contact our sales team through the website or by phone.
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