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Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB)

Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB)

CAS Number: 302776-68-7

Molecular Formula: C24H31NO4

Purity: 99.90%

Broad-Spectrum UVA Absorption (354 nm)High PhotostabilityNon-SensitizingRegulatory Approvals: 10% in the EU, Japan, and China

About Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB)

Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB), commonly known as Uvinul A Plus, is an oil-soluble UVA filter used in sunscreen formulations. It absorbs UVA rays up to 400 nm, providing high photostability and protection against photo-aging and skin damage.

Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) Specifications

CAS Number
302776-68-7
Molecular Formula
C24H31NO4
Molecular Weight
397.5 g/mol
IUPAC Name
Hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate
Canonical SMILES
CCCCCC(=O)OC1=CC=C(C=C1N(CC)CC)C(=O)C2=CC=CC=C2O
InChI Key
FDATWRLUYRHCJE-UHFFFAOYSA-N
InChI
1S/C24H31NO4/c1-4-7-8-11-16-29-24(28)20-13-10-9-12-19(20)23(27)21-15-14-18(17-22(21)26)25(5-2)6-3/h9-10,12-15,17,26H,4-8,11,16H2,1-3H3
EINECS Number
443-860-6
MDL Number
MFCD11616752
UNSPSC Code
53131627
eClass
34050290
NACRES
NA.24
Molecular weight
397.5 g/mol
Solubility
Freely soluble in Ethyl acetate
Melting Range
54.6°C to 55.7°C
Loss on Drying
0.25% w/w
Residue on Ignition
0.11% w/w
Bulk Density (Tapped)
0.51 gm/mL
Purity by HPLC
99.90%
Appearance
Off-white crystals
GHS Classification
Chronic aquatic toxicity (Category 4), H413. In accordance with 29 CFR 1910 (OSHA HCS)
Hazard statement(s)
H413 May cause long lasting harmful effects to aquatic life.
Precautionary statement(s)
P273 Avoid release to the environment. P501 Dispose of contents/ container to an approved waste disposal plant.
Hazardous Components
Hexyl 2-[4-(diethylamino)-2- hydroxybenzoyl]benzoate (
Classification
Aquatic Chronic 4; H413
Concentration (% w/w)
90 - 100 %

Personal Care Products

Sunscreens, Day Creams, Lotions, Anti-Aging Formulas Used in topical skincare products to protect the skin from UVA-induced aging and maintain skin health.

Cosmetics

Foundation, BB Creams, Tinted Moisturizers. Enhances cosmetic products by providing UVA protection, preventing skin damage during daily wear.

Temperature

Store at room temperature (15–30°C or 59–86°F). Store in a well-closed container at ambient temperature.

Environment

Keep away from direct sunlight, moisture, and incompatible materials

Protection

Store in original, tightly sealed containers

Packaging Options

1 kg, 5 kg, 10 kg, 25 kg containers

MSDS
Download
COA
Download
TDS
Download

Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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