2,3-Dicyanohydroquinone
2,3-Dicyanohydroquinone
CAS: 4733-50-0
Molecular Formula: C8H4N2O2
2,3-Dicyanohydroquinone - Names and Identifiers
| Name | 2,3-Dicyanohydroquinone |
| Synonyms | DCH 2,3-Dicyanohydroquinone 2,3-DICYANOHYDROQUINONE 3,6-Dihydroxyphthalonitrile 3,6-DIHYDROXYPHTHALONITRILE 2,3-DICYANO-1,4-HYDROQUINONE 3,6-DIHYDROXYPHTHALODINITRILE 1,4-DIHYDROXY-2,3-DICYANO BENZENE 3,6-dihydroxybenzene-1,2-dinitrile 3,6-Dihydroxyphthalonitrile hydrate 3,6-dihydroxybenzene-1,2-dicarbonitrile |
| CAS | 4733-50-0 |
| EINECS | 225-241-0 |
| InChI | InChI=1/C8H4N2O2/c9-3-5-6(4-10)8(12)2-1-7(5)11/h1-2,11-12H |
2,3-Dicyanohydroquinone - Physico-chemical Properties
| Molecular Formula | C8H4N2O2 |
| Molar Mass | 160.13 |
| Density | 1.3848 (rough estimate) |
| Melting Point | >230 °C (dec.) (lit.) |
| Boling Point | 286.01°C (rough estimate) |
| Flash Point | 222°C |
| Water Solubility | Soluble in hot water |
| Vapor Presure | 1.77E-08mmHg at 25°C |
| Appearance | Crystalline Powder or Needles |
| Color | Khaki to brown |
| BRN | 2101249 |
| pKa | 6.21±0.23(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.4900 (estimate) |
| Physical and Chemical Properties | Melting point 245°C water-Soluble in hot water |
| Use | Used as a pigment Intermediate |
2,3-Dicyanohydroquinone - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 2811 6.1/PG III |
| WGK Germany | 3 |
| HS Code | 29269090 |
| Hazard Class | 6.1 |
| Packing Group | III |
2,3-Dicyanohydroquinone - Reference Information
| Use | Used as pigment intermediate |
| category | toxic substances |
| flammability hazard characteristics | open flame is combustible; the fire field emits nitrogen oxides and pungent smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from food, oxidant and acid |
| fire extinguishing agent | mist water, foam, dry powder, carbon dioxide, sand |
Last Update：2024-04-10 22:29:15
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View History
2,3-Dicyanohydroquinone
CYSTEINE(TBU)-OH HCL
(5-Methylpyrazin-2-yl)hydrazine
吲哚-3-乙醛–重亚硫酸钠加成化合物
2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate
(R)-Hydroxypyrrolidine
4-亚甲基环己烷氨基甲酸叔丁酯
t-Butyl-But-3-Ynoxy-Dimethylsilane
6-Fluorochromane-2-carboxylic
4-Bromo-2-fluorobenzoic
CYSTEINE(TBU)-OH HCL
(5-Methylpyrazin-2-yl)hydrazine
吲哚-3-乙醛–重亚硫酸钠加成化合物
2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate
(R)-Hydroxypyrrolidine
4-亚甲基环己烷氨基甲酸叔丁酯
t-Butyl-But-3-Ynoxy-Dimethylsilane
6-Fluorochromane-2-carboxylic
4-Bromo-2-fluorobenzoic