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Diethylaminohydroxybenzoyl hexyl benzoate

Release time:2023-02-12

Chemical Name: 2-[4-(Diethylamino)-2-hydroxybenzoyl]benzoic acid hexyl ester

INCI Name: Diethylaminohydroxybenzoyl hexyl benzoate

Alias: DHHB; UVA PLUS; UV A PLUS; Uvinul A plus; uv absorber A PLUS

CAS No.: 302776-68-7

EINECS No.: 443-860-6

Molecular Formula: C24H31NO4

Molecular Weight: 397.51

Chemical Structural Formula:

HS Code: 2922509090

Testing Items Specifications
Appearance White to off-white powder
Odour Faint characteristic odour
Identification(UV) 352 nm ~ 356 nm
Gardner Colour(In a moltenmanner) Not more than 8.2
Bulk Density 0.58 g/mL ~ 0.70 g/mL
Melting Point Not less than 54℃
Assay(HPLC) 98.0% ~ 105.0%
Loss on Drying Not more than 0.5%
Heavy Metals Not more than 5 ppm
Specification absorption(E1/1) (354 nm in Ethanol) 910 ~ 940
Ethanol Residual Solvents Not more than 1200 ppm

Features and Uses

Diethylaminohydroxybenzoyl hexyl benzoate(DHHB) is a broad-band oil-soluble UV absorber, white to off-white crystalline powder. UVA PLUS has a strong absorption of ultraviolet rays in the whole UVA band (320nm-400nm), and only a small amount of addition to the formula can increase the SPF value. It is an effective light stabilizer for avobenzone.


25kg per Cardboard Drum.

Storage Conditions: 

Preserved in unopened original containers in a cool dry and ventilated place before using; kept away from direct sunlight, heat and moisture.

Shelf Life: 

24 Months if stored under above conditions.