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CAS 70356-09-1 | Avobenzone

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Common NameAvobenzone
CAS Number70356-09-1Molecular Weight310.387
Density1.1±0.1 g/cm3Boiling Point463.6±35.0 °C at 760 mmHg
Molecular FormulaC20H22O3Melting Point81-84 °C
MSDSChineseUSAFlash Point203.1±26.0 °C
Symbol
GHS09
Signal WordWarning

Names

Name1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)-1,3-propanedione
SynonymMore Synonyms

Avobenzone BiologicalActivity

DescriptionAvobenzone is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays and a dibenzoylmethane derivative.Target: OthersAvobenzone is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays and a dibenzoylmethane derivative. It can degrade faster in light in combination with mineral UV absorbers like zinc oxide and titanium dioxide, though with the right coating of the mineral particles this reaction can be reduced. A manganese doped titanium dioxide may be better than undoped titanium dioxide to improve avobenzone's stability. It reacts with minerals to form colored complexes. Manufacturers of avobenzone, like DSM recommend to include a chelator to prevent this from happening. They also recommend to avoid the inclusion of iron and ferric salts, heavy metals, formaldehyde donors and PABA and PABA esters[1].
Related CatalogSignaling Pathways >>Others >>OthersResearch Areas >>Others
References

[1]. Singh, P. and O.H. Nautiyal, Synthesis of Parsol [4-(1, 1-Dimethylethyl)-4'-methoxydibenzoylmethane)]. Asian Journal of Research in Chemistry, 2011. 4(11).

Chemical & Physical Properties

Density1.1±0.1 g/cm3
Boiling Point463.6±35.0 °C at 760 mmHg
Melting Point81-84 °C
Molecular FormulaC20H22O3
Molecular Weight310.387
Flash Point203.1±26.0 °C
Exact Mass310.156891
PSA43.37000
LogP4.81
Vapour Pressure0.0±1.1 mmHg at 25°C
Index of Refraction1.545
InChIKeyXNEFYCZVKIDDMS-UHFFFAOYSA-N
SMILESCOc1ccc(C(=O)CC(=O)c2ccc(C(C)(C)C)cc2)cc1

Safety Information

Symbol
GHS09
Signal WordWarning
Hazard StatementsH410
Precautionary StatementsP273-P501
Personal Protective EquipmentEyeshields;Gloves
Hazard CodesN
Risk PhrasesR50/53
Safety PhrasesS60-S61
RIDADRUN3077 9/PG 3
HS Code29145000

Customs

HS Code2909499000
Summary2909499000. ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

Articles29

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Synonyms

1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)-1,3-propanedione
MFCD00210252
1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione
1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-
4-tert-Butyl-4'-methoxydibenzoylmethane
Avobenzone
1-(4-Methoxyphenyl)-3-[4-(2-methyl-2-propanyl)phenyl]-1,3-propanedione
1X1&1&R DV1VR DO1
EINECS 274-581-6
Avobenzone (USP)

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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