3,6-Dihydroxyphthalonitrile
Synonym(s):2,3-Dicyano-1,4-hydroquinone;2,3-Dicyanohydroquinone;3,6-Dihydroxyphthalonitrile;DCH
- CAS NO.：4733-50-0
- Empirical Formula: C8H4N2O2
- Molecular Weight: 160.13
- MDL number: MFCD00001790
- EINECS: 225-241-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:54:08
What is 3,6-Dihydroxyphthalonitrile?
Chemical properties
khaki-colored to brown crystalline powder or
The Uses of 3,6-Dihydroxyphthalonitrile
2,3-Dicyanohydroquinone was used in the synthesis of phthalonitrile-3,6-ditriflate. It is a fluorescent dye and was used in determination of intracellular pH and calcium in avian neural crest cells.
Properties of 3,6-Dihydroxyphthalonitrile
| Melting point: | >230 °C (dec.) (lit.) |
| Boiling point: | 286.01°C (rough estimate) |
| Density | 1.3848 (rough estimate) |
| refractive index | 1.4900 (estimate) |
| storage temp. | Store below +30°C. |
| form | Crystalline Powder or Needles |
| pka | 6.21±0.23(Predicted) |
| color | Khaki to brown |
| Water Solubility | Soluble in hot water |
| BRN | 2101249 |
| CAS DataBase Reference | 4733-50-0(CAS DataBase Reference) |
Safety information for 3,6-Dihydroxyphthalonitrile
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 3,6-Dihydroxyphthalonitrile
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