Avobenzone (70356-09-1)

Identification
Name:	Avobenzone
Synonyms:	1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione;1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)propan-1,3-dione;4-(1,1-Dimethylethyl)-4'-methoxydibenzoylmethane;4-Methoxy-4'-tert-butyldibenzoylmethane;4-tert-Butyl-4'-methoxydibenzoylmethane;1,3-Propanedione,1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-;Butylmethoxydibenzoylmethane;Escalol 517;Eusolex 9020;NeoHeliopan 357;Parsol 1789;Parsol A;Parsol RTM 1789;Photoplex;
CAS:	70356-09-1
EINECS:	274-581-6
Molecular Formula:	C₂₀H₂₂O₃
Molecular Weight:	310.39
InChI:	InChI=1/C20H22O3/c1-20(2,3)16-9-5-14(6-10-16)18(21)13-19(22)15-7-11-17(23-4)12-8-15/h5-12H,13H2,1-4H3
Molecular Structure:
Properties
Transport:	UN3077 9/PG 3
Flash Point:	463.6 oC at 760 mmHg
Boiling Point:	463.6 oC at 760 mmHg
Density:	1.079
Refractive index:	1.546
Solubility:	463.6 oC at 760 mmHg
Appearance:	white powder
Specification:	?Avobenzone (CAS NO.70356-09-1) is also named as?1,3-Propanedione, 1-(4-(1,1-dimethylethyl)phenyl)-3-(4- methoxyphenyl)- ;?1-(4-(1,1-Dimethylethyl)phenyl)-3-(4-methoxyphenyl)-1,3-propanedione ; 1-(p-tert-Butylphenyl)-3-(p-methoxyphenyl)-1,3-propanedione ; Avobenzona ; Avobenzona [INN-Spanish] ; Avobenzonum ; Avobenzonum [INN-Latin] ; HSDB 7423 ; Parsol 1789 ; UNII-G63QQF2NOX .?It is a dibenzoylmethane derivative.?Avobenzone is sensitive to the properties of the solvent, being relatively stable in polar protic solvents and unstable in nonpolar environments.?Avobenzone reacts with minerals to form colored complexes.?It also reacts with boron trifluoride to form a stable crystalline complex that is highly fluorescent under UV irradiation.
HS Code:	29145000
Flash Point:	463.6 oC at 760 mmHg
Storage Temperature:	Keep container tightly closed. Protect from light.
Color:	Crystals from methanol
Usage:	Cosmetic raw material.
Safety Data

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Avobenzone