Avobenzone, 99%

Name: Avobenzone, 99%
Brand: Vaqora Chemicals
SKU: VQ-008087

About Avobenzone, 99%

Vaqora Chemicals supplies Avobenzone, a carbonyl building block registered under CAS number 70356-09-1 at a purity of ≥99%. Formula C20H22O3, molecular weight 310.4 g/mol. The IUPAC name is 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione. It is also known as Parsol 1789 or Butyl methoxydibenzoylmethane.

The material typically appears as white to orange to green powder to crystals. Literature values give a melting point of 81-84 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include organic synthesis, condensation and reductive amination and API intermediates. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g and 100 g packs, Avobenzone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	Avobenzone, 99%
Catalogue No.	VQ-008087
CAS Number	70356-09-1
IUPAC name	1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione
Molecular formula	C₂₀H₂₂O₃
Molecular weight	310.4 g/mol
Exact mass	310.1569
Purity / assay	≥99%
HSN code	29420090
InChIKey	XNEFYCZVKIDDMS-UHFFFAOYSA-N
SMILES	CC(C)(C)C1=CC=C(C=C1)C(=O)CC(=O)C2=CC=C(C=C2)OC
PubChem CID	51040

Physical properties
Physical form	Crystalline
Appearance	White to orange to green powder to crystals
Melting point	81-84 °C
LogP (XLogP3)	4.8
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)-1,3-propanedione, Parsol 1789, Butyl methoxydibenzoylmethane, Escalol 517, Eusolex 9020, NeoHeliopan 357, 1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-, 1-(p-tert-Butylphenyl)-3-(p-methoxyphenyl)-1,3-propanedione, 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-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-1,3-propanedione, parsol-1789

Safety & hazard information (GHS)

Hazard statements

H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P273, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 70356-09-1

IP/BP/USP

Avobenzone

CAS: 70356-09-1
Formula: C₂₀H₂₂O₃
MW: 310.4 g/mol

VQ-004227

Frequently asked questions

What is the CAS number of Avobenzone, 99%?

The CAS Registry Number of Avobenzone, 99% is 70356-09-1. It is also known as 1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)-1,3-propanedione, Parsol 1789, Butyl methoxydibenzoylmethane.

What is the molecular formula and molecular weight of Avobenzone, 99%?

Avobenzone, 99% has the molecular formula C20H22O3 and a molecular weight of 310.4 g/mol. Its IUPAC name is 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione.

Which grade and pack sizes of Avobenzone, 99% can I order?

We supply Avobenzone, 99% in (≥99%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Avobenzone, 99%?

Yes. Every lot of Avobenzone, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Avobenzone, 99% be shipped internationally?

Yes. We export Avobenzone, 99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.