Molekula
Oxybenzone
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
Oxybenzone (CAS 131-57-7) is a widely used organic compound primarily employed as a UV filter in sunscreens, cosmetics, and personal care products to protect skin from ultraviolet radiation. It is also found in plastics and some adhesives for its photostability properties. This chemical has a molecular formula of HOC6H3(OCH3)COC6H5 and a molecular weight of 228.24 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a signal word of "Warning" for safety. Molekula supplies Oxybenzone 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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100 g — $49.80 per pack
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500 g — $147.40 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 solid |
| Melting Point | 62-65°C |
| Loss on Drying | ≤0.5% |
| Assay | ≥99% |
| Specific Extinction (1%/1cm) | 285nm: ≥ 610 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Odour | Weak odor |
| Melting Point | 65.5 °C |
| Boiling Point | 155 °C at 5.00E+00 mm Hg |
| Water Solubility | 3.7 mg/L at 25 °C |
| Solubility (other solvents) | Readily soluble in most organic solvents; freely soluble in alcohol and toluene; practically insoluble in water |
| Vapour Pressure | 0.00000142 mmHg |
| log P (octanol/water) | 3.79 |
Source: PubChem CID 4632 (HSDB, DrugBank, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 11514585 |
| CAS Number | 131-57-7 |
| IUPAC Name | (2-hydroxy-4-methoxyphenyl)-phenylmethanone |
| EC Number | 205-031-5 |
| Molecular Formula | HOC6H3(OCH3)COC6H5 |
| Molecular Weight | 228.24 |
| Exact Mass | 228.0786 |
| SMILES | COC1=CC(=C(C=C1)C(=O)C2=CC=CC=C2)O |
| InChIKey | DXGLGDHPHMLXJC-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H12O3/c1-17-11-7-8-12(13(15)9-11)14(16)10-5-3-2-4-6-10/h2-9,15H,1H3 |
| PubChem CID | 4632 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.50.3000 |
| Tariff Code | 2914500090 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Russian, 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
- 2-Benzoyl-5-methoxyphenol
- 4-Methoxy-2-hydroxybenzophenone
- Advastab 45
- Anuvex
- Benzophenone-3
- Methanone, (2-hydroxy-4-methoxyphenyl)phenyl-
- Ongrostab HMB
- Oxibenzona
- Oxybenzon
- Usaf cy-9
Frequently asked questions
What is oxybenzone commonly used for?
Oxybenzone is primarily used as a UV filter in sunscreens, cosmetics, and personal care products to protect skin from ultraviolet (UV) radiation.
What is the chemical formula and molecular weight of oxybenzone?
The chemical formula is HOC₆H₃(OCH₃)COC₆H₅, and the molecular weight is 228.24 g/mol.
How should oxybenzone be stored?
Store oxybenzone in a cool, dry place at ambient temperature, away from direct sunlight and incompatible substances.
What grades or purity levels of oxybenzone does Molekula supply?
Molekula supplies pharmaceutical/cosmetic-grade oxybenzone, meeting strict purity standards for regulated applications.
Can Molekula supply oxybenzone in bulk quantities?
Yes, Molekula can provide oxybenzone in bulk quantities, with flexible packaging options (drums, bags, or custom solutions) based on customer needs.
What documentation is provided with an order of oxybenzone?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation to ensure compliance and quality assurance.
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.