Molekula
Benzil
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Benzil is a yellow crystalline organic compound used as a photoinitiator in polymer chemistry and as a reagent in organic synthesis. It is commonly employed in the production of polymers and in the synthesis of other organic compounds. CAS: 134-81-6, Molecular Formula: C6H5COCOC6H5, Molecular Weight: 210.23 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Benzil from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — $118.30 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow crystalline powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 180 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 63404837 |
| CAS Number | 134-81-6 |
| IUPAC Name | 1,2-diphenylethane-1,2-dione |
| EC Number | 205-157-0 |
| Molecular Formula | C6H5COCOC6H5 |
| Molecular Weight | 210.23 |
| Exact Mass | 210.0681 |
| SMILES | C1=CC=C(C=C1)C(=O)C(=O)C2=CC=CC=C2 |
| InChIKey | WURBFLDFSFBTLW-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H10O2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10H |
| PubChem CID | 8651 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2914399000 |
| Tariff Code | 2914390070 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,2-Diphenylethane-1,2-dione
- 1,2-Diphenylethanedione
- 1,2-ethanedione, 1,2-diphenyl-
- Bibenzoyl
- Dibenzoyl
- Diphenyl-alpha,beta-diketone
- Diphenyldiketon
- diphenylethane-1,2-dione
- Diphenylethanedione
- Diphenylglyoxal
Frequently asked questions
What is benzil used for?
Benzil is commonly used as a photoinitiator in polymer chemistry and as a reagent in organic synthesis, where as a 1,2-diketone it serves as a starting material for heterocyclic compounds such as quinoxalines and imidazoles, including the antiepileptic drug phenytoin, as well as for benzilic acid.
What is the chemical formula and molecular weight of benzil?
The chemical formula of benzil is C6H5COCOC6H5, and its molecular weight is 210.23 g/mol.
How should benzil be stored?
Benzil should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of benzil does Molekula supply?
Molekula supplies benzil in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply benzil in bulk?
Yes, Molekula can supply benzil in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a benzil order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.