Omnistab UV 1789 – CAS: 70356-09-1

About Omnistab UV 1789 – CAS: 70356-09-1

Omnistab UV 1789 (70356-09-1), also known as Avobenzone, is an UV absorber used in sunscreen products to absorb the full spectrum of UVA rays. 

  • CAS number: 70356-09-1
  • Chemical name: 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
  • Moleculair formula: C20H22O3
  • Molecular weight (g/mol): 310.40
  • Content (%): 95.00 min
  • Loss on drying (%): 0.50 max
  • Product form(s): Crystalline powder, Powder
  • Packaging option(s): Carton
Product Data Sheet
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Product Data Sheet

Omnistab UV 1789 – CAS: 70356-09-1

Date: Tuesday, Jun 25, 2024

Product Composition

CAS number:70356-09-1
Chemical name:1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione
Moleculair formula:C20H22O3
Molecular weight (g/mol):310.40

Product Specification

Content (%)95.00 min
Loss on drying (%)0.50 max
Product form(s):Crystalline powder, Powder
Packaging option(s)Carton
REACH compliance
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Regulation EC N˚ 1907/2006

Omnistab UV 1789 – CAS: 70356-09-1

Date: Tuesday, Jun 25, 2024

According to Regulation (EC) N˚ 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), all chemical substances on their own, contained in preparations, or in articles, manufactured, imported or used, should comply with the requirements of REACH.

In its role as importer and downstream user Partners in Chemicals has taken its responsibility to continuously consult with its suppliers outside the European Union (EU) about the responsibilities and requirements of REACH and will continue to do so.

In this light, we can inform you that the product that Partners in Chemicals currently supplies to you, Omnistab UV 1789 – CAS: 70356-09-1, is a product that is registered with the European Chemicals Agency (ECHA) in compliance with the tonnage band of mt. The registration number: Requested.


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