Product Identification

Product Name

Avobenzone

Synonyms

1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione
1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione
1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)-1,3-propanedione
1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
4-Methoxy-4'-tert-butyldibenzoylmethane
Butyl methoxydibenzoylmethane

CAS

70356-09-1

Formula

C20H22O3

Molecular Weight

310.39

EINECS

274-581-6

Merck

12,1616

Physical and Chemical Properties

Appearance

Colorless to yellowish powder with a weak characterristic odor.

Solubility in water

0.01 mg/l (20 C)

Melting Point

83.5

Boiling Point

464

Vapor Pressure

9E-9 (25 C)

pKa/pKb

9.74 (pKa)

Heat Of Vaporization

72.5 kJ/mol

Usage

Cosmetic raw material.

Handling and Storage

Storage

Keep container tightly closed. Protect from light.

Hazards Identification

Ingestion

Have victim drink large amounts of water, induce vomiting. Seek medical attention.

Inhalation

Move to fresh air.

Skin

Wash with plenty of water.

Eyes

Rince with plento of water with the eyelid held wide open.

Hazards

Do not stay in area without SCUBA.

EC Risk Phrase

53

EC Safety Phrase

61

Exposure Controls/Personal Protection

Personal Protection

Protective clothing should be specific for the working area. Wear goggles and nitrile gloves.

Respirators

Use when dust is generated.

Fire Fighting Measures

Flash Point

203

Fire Fighting

Extinguish using carbon dioxide or powder. Protective clothing and self-contained breating apparatus (SCUBA).

Stability and Reactivity

Incompatibilities

Avoid contact with metals, metal salts and formaldehyde.

Combustion Products

Development of hazardous compustion products is possible.

Transport Information

HS Code

2914 50 00