UV Absorber Diethylamino Hydroxybenzoyl Hexyl Benzoate DHHB CAS 302776-68-7

Details:

Product Name: DHHB / Diethylamino Hydroxybenzoyl Hexyl Benzoate 

CAS No: 302776-68-7

Molecular Formula:C24H31NO4

Molecular Weight:397.51

Appearance: Slightly white powder or granular

Identification(UV): 352nm~356nm

Assay (HPLC): 98.0%~105.0%

Odour: Weekly characteristic odour

Gardner Colour: 8.2 max

Specific Absorption(E1/1): 910~940

Melting Point: 54℃ min

Loss on Drying: 0.5% max

Heavy Metals: 5ppm max

Bulk Density: 0.58g/ml~0.70g/ml

Function played in sunscreen products include:

1) With high absorption effect on UVA

2) With strong protective effect for free radical produced by UV.

3) Enhance the SPF value of UVB sunscreen

4) With very good light stability, maintain effectiveness for long time DHHB defilade of UV range covered the whole UVA, from 320 to 400 nm wavelength, the maximum absorption peak is at 354 nm. So for the shielding, DHHB has the same effect as the current best sunscreen Avobenzone. However, DHHB’s stability in the sun is much better than Avobenzone, because Avobenzone’s ability to absorb ultraviolet radiation will quickly reduce in the sun. Therefore in the formula you need to add other UV absorber as a light stabilizer, in order to reduce the loss of Avobenzone. And it is not necessary to worry about this problem when using DHHB.

DHHB instead of Avobenzone, become a model UVA sunscreen agent, with better light stability than Avobenzone, do not need to add Sunsafe- MBC, SUNSAFE - OMC compound, lower cost, better effect.

 Packaging

25kg/drum or according to the requirement of clients.

Storage

Stored in a cool place. Keep the container closed and stored in a dry, ventilated place.