SoleChem

Oxybenzone

CAS
131-57-7
EC
205-031-5
Mol. Weight
228.24 g/mol

Description

Oxybenzone (CAS 131-57-7), also supplied under the trade name Uvinul M40 and listed in cosmetic formulations as Benzophenone-3, is a UV-absorbing compound that protects materials from photodegradation.

It protects formulations from damage caused by UVB and UVA radiation. It is used across personal care, coatings, and polymer applications where light stability is a primary performance requirement for the end product.

In sunscreen and personal care formulations, Benzophenone-3 is an established active UV filter used in lotions, creams, and lip products to meet regulatory UV protection standards for consumer safety.

Coatings and varnish manufacturers incorporate it to prevent yellowing and surface degradation in architectural and industrial finishes exposed to harsh outdoor conditions and direct sunlight.

Polymer processors add oxybenzone to plastics and elastomers during compounding to extend service life in UV-exposed end products such as films, profiles, and various molded components.

Adhesive and sealant formulators use it to maintain bond integrity and appearance in products subject to prolonged sunlight exposure. This ensures the long-term durability of the chemical bond.

Oxybenzone is commercially available as a white to off-white crystalline powder. It is supplied in cosmetic-grade and technical-grade specifications to meet the distinct purity and documentation requirements.

Standard packaging includes fiber drums and multi-layer bags, with bulk quantities available for industrial procurement. We ensure all batches meet rigorous quality control and safety benchmarks.

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Physical Properties

Melting Point 66 °C
Boiling Point 370 °C
Density 1,3 g/cm 3
Flash Point 216°C
Appearance white to light yellow crystalline powder
Color White to light yellow
Odor ylsh. cryst., rose-like odor
Form Crystalline Powder
Water Solubility <0.1 g/100 mL at 20 ºC
Vapor Pressure 0.001Pa@25°C
Refractive Index 1.5805 (estimate)
Log P 3.45 at 40℃

Safety & Handling (Learn More)

Warning GHS07 GHS09 GHS08
Hazard Statements
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H361 Suspected of damaging fertility or the unborn child
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P391 Collect spillage.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29145000
UN Number 3077
ADR Class 9
Packing Group III
Storage Class 13 - Non Combustible Solids
WGK (Germany) 2

Documentation

Other Names

Uvinul M40|Benzophenone-3|4-Methoxy-2-hydroxybenzophenone butyric acid|4-Methoxy-2-hydroxybenzophenone|2-Benzoyl-5-methoxyphenol|(2-Hydroxy-4-methoxyphenyl)phenylmethanone|2-Hydroxy-4-methoxybenzophenone|Advastab 45

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