1,4-Diamino-2,3-dihydroanthraquinone
- CAS NO.：81-63-0
- Empirical Formula: C14H12N2O2
- Molecular Weight: 240.26
- MDL number: MFCD00035689
- EINECS: 201-367-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:40:12
What is 1,4-Diamino-2,3-dihydroanthraquinone?
Description
1,4-Diamino-2,3-dihydroanthraquinone (DDA) is a dark purple needle crystal. It is insoluble in water, but soluble in benzene, pyridine, nitrobenzene, and aniline. Can be used to prepare purple smoke bombs. It is highly susceptible to oxidation to 1,4-diaminoanthraquinone (DAA) in the air or during smoke bomb burning. DDA is a weak mutagen in the Salmonella Reversin Assay, and a combustion or oxidation product in the same test, and DAA is a strong mutagen.
Chemical properties
Dark Greenish Brown Solid
The Uses of 1,4-Diamino-2,3-dihydroanthraquinone
An anthraquinone-derived dye.
The Uses of 1,4-Diamino-2,3-dihydroanthraquinone
Leuco-1,4-diaminoanthraquinone (leucamine) is an important precursor for 1,4-diaminoanthraquinone.
The Uses of 1,4-Diamino-2,3-dihydroanthraquinone
An anthraquinone-derived dye. A product from the combustion of red and violet smoke mixtures.
What are the applications of Application
1,4-Diamino-2,3-dihydroanthraquinone is an anthraquinone-derived dye
Properties and Applications
dark red light purple.
Properties of 1,4-Diamino-2,3-dihydroanthraquinone
| Melting point: | >190°C (dec.) |
| Boiling point: | 382.97°C (rough estimate) |
| Density | 1.1613 (rough estimate) |
| refractive index | 1.6180 (estimate) |
| storage temp. | -20°C Freezer, Under Inert Atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 5.11±0.20(Predicted) |
| color | Very Dark Green to Very Dark Brown |
| InChI | InChI=1S/C14H12N2O2/c15-9-5-6-10(16)12-11(9)13(17)7-3-1-2-4-8(7)14(12)18/h1-4H,5-6,15-16H2 |
| CAS DataBase Reference | 81-63-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 9,10-Anthracenedione, 1,4-diamino-2,3-dihydro-(81-63-0) |
| EPA Substance Registry System | 9,10-Anthracenedione, 1,4-diamino-2,3-dihydro- (81-63-0) |
Safety information for 1,4-Diamino-2,3-dihydroanthraquinone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 1,4-Diamino-2,3-dihydroanthraquinone
| InChIKey | SSGALQHXKMAJTL-UHFFFAOYSA-N |
| SMILES | C1(N)=C2C(C(=O)C3=C(C2=O)C=CC=C3)=C(N)CC1 |
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