Description / Application
Naphthol yellow S is an organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid. It has a role as a histological dye. It contains a flavianate.
Identities
| Alternative Name | Flavianic Acid Disodium Salt, 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt |
|---|---|
| Molecular Formula | C10H4N2Na2O8S |
| Molecular Weight | 358.19 |
| MFCD | MFCD00003958 |
Safety
| Pictograms |
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|---|---|
| Signal Word | Warning |
| Hazard Statements | H315;H319;H335 |
| Precautionary Statements | P261;P264;P271;P280;P302+P352;P304+P340;P305+P351+P338;P312;P321;P332+P313;P337+P313;P362;P403+P233;P405;P501 |