Benzoin

CAS 119-53-9C6H5CH(OH)COC6H5Chemical Synthesis

Benzoin (CAS: 119-53-9), with the linear formula C6H5CH(OH)COC6H5, is a crystalline organic compound with a molecular weight of 212.24 g/mol. This white to yellowish solid is known for its role as a photoinitiator in UV-curable coatings, inks, and adhesives. It is also utilised as a chemical intermediate in the synthesis of various organic compounds and pharmaceuticals. Benzoin is a valuable reagent in academic and industrial research settings.

IUPAC: α-Hydroxy-α-phenylacetophenone,α-Hydroxybenzyl phenyl ketone,2-Hydroxy-2-phenylacetophenone
Synonyms: α-Hydroxy-α-phenylacetophenoneα-Hydroxybenzyl phenyl ketone2-Hydroxy-2-phenylacetophenone

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Benzoin (C6H5CH(OH)COC6H5) — chemical structure, CAS 119-53-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Benzil and Benzoin CompoundsBioactive Small MoleculesBuilding BlocksC13 to C14Carbonyl CompoundsCell BiologyChemical SynthesisKetonesMaterials ScienceOrganic Building Blocks

01 /Applications

UV Curing Applications

Benzoin serves as an efficient photoinitiator in ultraviolet (UV) curing processes. It facilitates the rapid polymerisation of monomers and oligomers when exposed to UV light, making it ideal for use in inks, coatings, and adhesives where fast drying and curing are essential.

Organic Synthesis Intermediate

The compound's reactive hydroxyl and ketone functionalities make it a versatile building block in organic synthesis. It is employed in the preparation of various complex organic molecules and pharmaceutical intermediates, contributing to diverse chemical research and development projects.

Research and Development

Benzoin is widely used in laboratory settings for research purposes, including studies in photochemistry and polymer science. Its well-defined properties make it a reliable reagent for exploring new synthetic pathways and material applications.

02 /Properties

Molecular weight	212.24
Linear formula	C6H5CH(OH)COC6H5
Assay	98%
Grade	Vetec™ reagent grade
Boiling point	194 °C/12 mmHg(lit.)
Melting point	134-138 °C(lit.)

03 /Safety & handling

Flash point	170 °C / 338 °F
Water hazard class (WGK, DE)	2

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

119-53-9

MDL number

MFCD00004496

Beilstein registry

391839

05 /Quality & supply

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.

06 /Frequently asked questions

What is Benzoin used for?

Benzoin is primarily used as a photoinitiator in UV-curable systems such as coatings, inks, and adhesives, and as an intermediate in organic synthesis for creating complex molecules and pharmaceuticals.

What are the CAS number and formula for Benzoin?

The CAS number for Benzoin is 119-53-9, and its linear formula is C6H5CH(OH)COC6H5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Benzoin in Vetec™ reagent grade with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.

What are the main safety considerations when handling Benzoin?

Benzoin has a flash point of 170 °C (338 °F) and is classified under WGK Germany 2. Appropriate personal protective equipment should be used, and it should be handled in a well-ventilated area away from ignition sources.

Is Benzoin a controlled substance?

Based on the provided data, Benzoin (CAS: 119-53-9) is not indicated as a controlled substance.

How is Benzoin packed and shipped?

Tech Serve Solutions, as a global supplier and exporter, can provide details on packing and shipping specific to your order requirements and destination.