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UV Absorbers & Stabilizers

Benzophenone-6

CAS: 131-54-4

Overview

Benzophenone-6 (CAS 131-54-4 ), also known as BP-6 , is a UV absorber used to protect materials from photodegradation caused by ultraviolet radiation. It functions by absorbing UV energy before it can break down polymers or active ingredients.

In coatings and industrial paints, BP-6 is incorporated to prevent yellowing and gloss loss on exterior surfaces exposed to sunlight. Plastic and polymer manufacturers use it to extend the service life of films and molded parts.

This chemical is essential for packaging materials where UV stability is a key performance requirement. In printing inks, it helps preserve color integrity and prevents substrate degradation under intense UV exposure.

Personal care formulators have evaluated BP-6 for use in sunscreen and photoprotective products. It provides broad UV absorption across both UVA and UVB ranges, ensuring comprehensive protection for sensitive formulations.

Benzophenone-6 is supplied as a pale yellow to off-white crystalline powder. It is available in technical grade for industrial coating, polymer, and ink applications, with purity specifications typically at 98% or higher.

The quality of the material is confirmed by HPLC to ensure consistency across batches. Cosmetic-grade material meeting relevant regulatory and purity standards is also available for specialized personal care formulation use.

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Physical Properties

Melting Point139.5 °C
Boiling Point377.26°C (rough estimate)
Density1.2662 (rough estimate)
AppearanceYellow crystalline powder
ColorPale Yellow to Light Yellow
FormSolid
Water Solubilitynegligible
Refractive Index1.5000 (estimate)
Log P3.9-4.1

Safety & Handling

Warning GHS07 GHS09 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation H411 Toxic to aquatic life with long lasting effects Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. 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 Code29145090
Storage Class11 - Combustible Solids
WGK (Germany)3

Other Names

Methanonebis(2-hydroxy-4-methoxyphenyl)- | 22'-Dihydroxy-44'-dimethoxybenzophenone | Bis(2-hydroxy-4-methoxyphenyl)methanone | Cyasorb UV 12 | Uvinul D 49 | Caswell No. 353C | Benzophenone22′-dihydroxy-44′-dimethoxy- | BP-6

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Chemical Properties

CAS Number
131-54-4
EC Number
205-027-3
Mol. Weight
274.27
HS Code
29145090

Industries

Documentation