Eusolex

  • Butyl methoxydibenzoylmethane
  • 1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
  • 1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)-1,3-propanedione
  • 4-Methoxy-4'-tert-butyldibenzoylmethane
  • 1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione
Formula
C20H22O3
Structure
Description
Colorless to yellowish powder with a weak characterristic odor.
Uses
Cosmetic raw material.

Registry Numbers and Inventories.
CAS
70356-09-1
EC (EINECS/ELINCS)
274-581-6
Merck
12,1616
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C20H22O3
Formula mass
310.39
Melting point, °C
83.5
Boiling point, °C
464
Vapor pressure, mmHg
9E-9 (25 C)
Solubility in water
0.01 mg/l (20 C)
pKa/pKb
9.74 (pKa)
Heat of vaporization
72.5 kJ/mol

Hazards and Protection.
Storage
Keep container tightly closed. Protect from light.
Protection
Protective clothing should be specific for the working area. Wear goggles and nitrile gloves.
Respirators
Use when dust is generated.
Incompatibilities
Avoid contact with metals, metal salts and formaldehyde.

Fire.
Flash Point,°C
203
Fire fighting
Extinguish using carbon dioxide or powder. Protective clothing and self-contained breating apparatus (SCUBA).
Hazards
Do not stay in area without SCUBA.
Combustion products
Development of hazardous compustion products is possible.

Health.
Exposure effects
   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.

First aid
 

Transport.
HS Code
2914 50 00