1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID
- CAS NO.：27613-78-1
- Empirical Formula: C14H8O7S
- Molecular Weight: 320.27
- MDL number: MFCD00053251
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:18
What is 1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID?
Definition
ChEBI: 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid is a dihydroxyanthraquinone that is 1,2-dihydroxyanthraquinone compound carrying an additional sulfo substituent at the 3-position. The monosodium salt is the biological stain 'alizarin red S'. It has a role as a histological dye. It is a dihydroxyanthraquinone and an organosulfonic acid. It is a conjugate acid of a 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate.
Properties of 1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID
| pka | pK1: 5.54;pK2: 11.01 (25°C) |
Safety information for 1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID
Computed Descriptors for 1,2-DIHYDROXYANTHRAQUINONE-3-SULFONIC ACID
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