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Cas Database |
| Name |
2,4-Diaminophenol |
EINECS | N/A |
| CAS No. | 95-86-3 | Density | 1.343g/cm3 |
| PSA | 72.27000 | LogP | 1.71900 |
| Solubility | N/A | Melting Point |
79°C (rough estimate) |
| Formula | C6H8 N2 O | Boiling Point | 347.4°Cat760mmHg |
| Molecular Weight | 124.142 | Flash Point | 163.9°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also AMINES and PHENOL. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2,4-Diaminophenol;4-Hydroxy-1,3-benzenediamine |
Article Data | 80 |
2,4-Diaminophenol Synthetic route
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate; pyrographite In tetrahydrofuran; water at 50 - 60℃; for 5h; | 97% |
| With sodium tetrahydroborate In ethanol; water at 45℃; for 0.0833333h; | 96% |
| Stage #1: 2,4-Dinitrophenol With palladium on activated charcoal In methanol at 20℃; for 0.0833333h; Autoclave; Inert atmosphere; Stage #2: With hydrogen In methanol at 65℃; under 3600.36 - 6375.64 Torr; for 1.5h; Pressure; Temperature; Autoclave; | 96.16% |
| Conditions | Yield |
|---|---|
| With sulfuric acid; mercury(II) sulfate Electrolysis; | |
| With cerium (IV)-sulfate; sulfuric acid at 90 - 95℃; Electrolysis; | |
| With sulfuric acid bei der elektrolytischen Reduktion; | |
| With sulfuric acid bei der elektrolytischen Reduktion; |
- 67329-17-3
2-nitro-4-(4'-sulfophenylazo)-phenol
A
- 95-86-3
2,4-diaminophenol
B
- 121-57-3
4-aminobenzene sulfonic acid
| Conditions | Yield |
|---|---|
| bei der Reduktion; | |
| bei der Reduktion; |
| Conditions | Yield |
|---|---|
| With sulfuric acid Electrolysis; | |
| With sulfuric acid bei der elektrolytischen Reduktion; | |
| With oxalic acid; aluminium |
- 95-86-3
2,4-diaminophenol
| Conditions | Yield |
|---|---|
| With sodium sulfite |
| Conditions | Yield |
|---|---|
| at 85 - 90℃; Electrolysis; |
| Conditions | Yield |
|---|---|
| at 40 - 50℃; under 6080 - 7600 Torr; |
| Conditions | Yield |
|---|---|
| durch elektrolytische Reduktion; | |
| durch elektrolytische Reduktion; |
2,4-Diaminophenol Chemical Properties
Empirical Formula: C6H8N2O
Molecular Weight: 124.1405 g/mol
EINECS: 202-459-4
Index of Refraction: 1.722
Density: 1.343 g/cm3
Flash Point: 163.9 °C
Enthalpy of Vaporization: 61.51 kJ/mol
Boiling Point: 347.4 °C at 760 mmHg
Vapour Pressure: 2.68E-05 mmHg at 25 °C
Structure of 2,4-Diaminophenol (CAS NO.95-86-3):
IUPAC Name: 2,4-Diaminophenol
2,4-Diaminophenol Uses
Its dihydrogen chloride salt is used as a photographic developer. As amidol ages 2,4-Diaminophenol (CAS NO.95-86-3) changes color to a dark red-brown. Developing dishes and equipment used to prepare amidol solutions are also frequently stained brown, a stain that is very persistent.
2,4-Diaminophenol Toxicity Data With Reference
| 1. | mma-sat 10 µg/plate | BCPCA6 Biochemical Pharmacology. 26 (1977),729. | ||
| 2. | ipr-mus LDLo:50 mg/kg | RBPMAZ Revue Belge de Pathologie et de Medecine Experimentale. 22 (1952),1. |
2,4-Diaminophenol Safety Profile
Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also AMINES and PHENOL.
2,4-Diaminophenol Specification
2,4-Diaminophenol ,its cas register number is 95-86-3. It also can be called Amidol ; and Phenol, 2,4-diamino- . 2,4-Diaminophenol (CAS NO.95-86-3) was introduced as a developing agent for photographic papers in 1892, and is unusual amongst developers as it works most effectively in slightly acid conditions rather than the strongly alkaline conditions required for most other developers.
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