Benzophenone
Benzophenone (CAS: 119-61-9), with the linear formula (C6H5)2CO and a molecular weight of 182.22 g/mol, is a crystalline organic compound. It is widely recognised for its photoreactivity and is a key component in UV-curing applications, such as inks, coatings, and adhesives. Benzophenone also serves as a vital intermediate in organic synthesis and finds utility as a fragrance ingredient and a UV blocker.
- IUPAC
- Diphenyl ketone
- Synonyms
- Diphenyl ketoneMethyl phenyl ketone1,1-Diphenylmethanone
UV Curing
Benzophenone acts as a photoinitiator in UV-curable formulations. Upon exposure to UV light, it generates reactive species that initiate polymerisation, rapidly hardening inks, coatings, and adhesives.
Organic Synthesis Intermediate
This compound is a versatile building block in organic chemistry. It is used in the synthesis of various pharmaceuticals, agrochemicals, and other complex organic molecules.
Fragrance Ingredient
Due to its characteristic scent, benzophenone is employed in the fragrance industry to impart floral or fruity notes to perfumes and cosmetics.
UV Blocker
Its ability to absorb UV radiation makes benzophenone useful as a UV absorber in plastics, coatings, and sunscreens to protect materials and skin from photodegradation.
| Molecular weight | 182.22 |
|---|---|
| Linear formula | (C6H5)2CO |
| Assay | 99% |
| Grade | ReagentPlus® |
| Boiling point | 305 °C(lit.) |
| Vapour pressure | 1 mmHg (108 °C) |
| Melting point | 47-51 °C(lit.) |
Hazard statements
- H351Suspected of causing cancer
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P281Use personal protective equipment as required
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50/53 |
| Safety statements (S) | 60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | rat ... Ar(24208) |
|---|---|
| Purified By | sublimation |
| Shelf Life | (limited shelf life, expiry date on the certificate and label) |
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 Benzophenone used for?
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Benzophenone is primarily used as a photoinitiator in UV curing, an intermediate in organic synthesis, a fragrance ingredient, and a UV blocker in various materials.
What are the CAS number and formula for Benzophenone?
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The CAS number for Benzophenone is 119-61-9, and its linear formula is (C6H5)2CO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzophenone with a ReagentPlus® grade and an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Benzophenone be handled safely?
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Benzophenone is suspected of causing cancer (H351) and is toxic to aquatic life with long-lasting effects (H410). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Avoid release to the environment (P273, P501).
How is Benzophenone packed and shipped?
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Benzophenone is packed according to industry standards for safe transport and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for Benzophenone?
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To request a sample or a quote for Benzophenone, please contact the Tech Serve Solutions sales team through our website or by phone.
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