Benzyl chloroformate
Benzyl chloroformate (CAS 501-53-1), molecular formula ClCO2CH2C6H5, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Carbobenzoxy chloride,Z-Chloride

| Molecular weight | 170.59 |
|---|---|
| Linear formula | ClCO2CH2C6H5 |
| Assay | ≥98% |
| Boiling point | 103 °C/20 mmHg(lit.) |
| Density | 1.195 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.519(lit.) |
| Vapour pressure | 1.39 psi (20 °C) |
| Vapour density | 1 (vs air) |
| Storage temperature | 2-8°C |
| Application | Cbz-protected anilines were prepared directly from aromatic carboxylic acids, sodium azide and Cbz-Cl.1 Also used in a recently reported 3-step synthesis of 1,2,4-oxadiazoles.2 |




Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
- H350May cause cancer
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | 92 °C / 197.6 °F |
|---|---|
| Transport (UN / ADR) | UN 1739 8 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-34-37-50/53 |
| Safety statements (S) | 53-26-36/37/39-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 chloroformate?
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Benzyl chloroformate (CAS 501-53-1), molecular formula ClCO2CH2C6H5, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Benzyl chloroformate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl chloroformate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Benzyl chloroformate?
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Benzyl chloroformate has CAS number 501-53-1 and molecular formula ClCO2CH2C6H5. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Benzyl chloroformate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Benzyl chloroformate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Benzyl chloroformate be stored?
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Store Benzyl chloroformate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Benzyl chloroformate used for?
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Benzyl chloroformate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Benzyl chloroformate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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