4-Diazodiphenylamine sulfate
Synonym(s):4-Aminodiphenylamine diazonium sulfate;4-Diazodiphenylamine sulfate;Azoic Diazo Component 22;Azoic Diazo No. 22
- CAS NO.：4477-28-5
- Empirical Formula: C12H11N3O4S
- Molecular Weight: 293.3
- MDL number: MFCD00011895
- EINECS: 224-756-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:07:02
What is 4-Diazodiphenylamine sulfate?
What are the applications of Application
Variamine Blue RT Salt is a stain with color index: 37240
Flammability and Explosibility
Not classified
Purification Methods
Dissolve 10g of the dye in 100mL of hot water. Sodium dithionite (0.4g) is then added, followed by active carbon (1.5g) and is filtered hot. To the colourless or slightly yellow filtrate a solution of saturated NaCl is added, and the mixture is cooled. The needles are filtered off, washed with cold water, dried at room temperature, and stored in a dark bottle (light sensitive). [Anderson & Steedly J Am Chem Soc 76 5144 1954, Erdey Chem Analyst 48 106 1959, Beilstein 16 H 602, 16 I 371, 16 II 307, 16 III 575. ]
Properties of 4-Diazodiphenylamine sulfate
| Boiling point: | 623.17℃[at 101 325 Pa] |
| Density | 1.512[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| Colour Index | 37240 |
| Water Solubility | 21.24g/L at 20℃ |
| CAS DataBase Reference | 4477-28-5(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenediazonium, 4-(phenylamino)-, sulfate (1:1) (4477-28-5) |
Safety information for 4-Diazodiphenylamine sulfate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H341:Germ cell mutagenicity H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P273:Avoid release to the environment. 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. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for 4-Diazodiphenylamine sulfate
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