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Surface tension

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Description of key information

In accordance with column 2 of Annex VII of the REACH regulation, this testing needs to be carried out only if surface activity is a desired property of the chemical. The chemical Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate is used mostly as a Intermediate in pharma industries. For these uses, surface activity is not a desired property and hence this end point was considered for waiver.

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Additional information

In accordance with column 2 of Annex VII of the REACH regulation, this testing needs to be carried out only if surface activity is a desired property of the chemical. The chemical Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate is used mostly as a Intermediate in pharma industries. For these uses, surface activity is not a desired property and hence this end point was considered for waiver.