Benzophenone
CAS Number: 119-61-9
Chemical Formula: C13H10O
Synonyms: BENZOPHENONE REAGENTPLUS TM 99%，Benzophenone BP，BENZOPHENONE CRYSTALLINE
Appearance: White Powder
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Diphenyl ketone, also known as benzophenone, has a molecular formula of C13H10O and a molar mass of 182.22. It appears as colorless rhombic prismatic crystals in its stable form, while several low‑melting unstable forms also exist. It is insoluble in water but highly soluble in organic solvents.
Chemical Properties
| Item | Value |
| Melting point | 47-51 °C (lit.) |
| Boiling point | 305 °C (lit.) |
| bulk density | 700 kg/m3 |
| density | 1.11 |
| vapor density | 4.21 (vs air) |
| vapor pressure | 1 mm Hg (108 °C) |
| refractive index | 1.5893 |
| FEMA | 2134 BENZOPHENONE |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | ethanol soluble 100 mg/mL clear colorless (80% ethanol) |
| form | Crystalline Powder or Flakes |
| color | White to off-white |
| Odor | Characteristic. |
| Odor Type | balsamic |
| biological source | synthetic |
| Water Solubility | insoluble (<0.1 g/100 mL at 25 ºC) |
| Merck | 14,1098 |
| JECFA Number | 831 |
| BRN | 1238185 |
| Dielectric constant | 13.0（20℃） |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong reducing agents. Combustible. |
| Cosmetics Ingredients Functions | LIGHT STABILIZER FRAGRANCE |
| InChIKey | RWCCWEUUXYIKHB-UHFFFAOYSA-N |
| LogP | 3.18 at 25℃ |
| CAS DataBase Reference | 119-61-9(CAS DataBase Reference) |
| IARC | 2B (Vol. 101) 2013 |
| NIST Chemistry Reference | Benzophenone(119-61-9) |
| EPA Substance Registry System | Benzophenone (119-61-9) |
Safety Information
| Item | Value |
| Hazard Codes | Xi,N,Xn,F |
| Risk Statements | 36/37/38-52/53-50/53-67-65-62-51/53-48/20-11-40 |
| Safety Statements | 26-61-37/39-29-60-36-62-36/37-33-16-9 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | DI9950000 |
| F | 10 |
| TSCA | Yes |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29143900 |
| Hazardous Substances Data | 119-61-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit > 10000 mg/kg; LD50 dermal Rabbit 3535 mg/kg |
Product Application
Benzophenone derivatives are essential ingredients in most modern sunscreen cosmetics, protecting skin against UV damage. Demand in cosmetic applications has been rising steadily. Recent research shows that benzophenone can also shield against fluorescent UV radiation, extending its use into hair conditioners, body lotions, and lipsticks. It is widely used as a fragrance fixative that enhances sweet notes in perfumes and soap scents.
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