2,4-DIAMINOAZOBENZENE
- CAS NO.：495-54-5
- Empirical Formula: C12H12N4
- Molecular Weight: 212.25
- MDL number: MFCD00044529
- EINECS: 207-803-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-15 10:44:02
What is 2,4-DIAMINOAZOBENZENE?
The Uses of 2,4-DIAMINOAZOBENZENE
Dyeing silk and cotton. Biological stain.
Preparation
aniline diazotization, and Benzene-1,3-diamine coupling.
Definition
ChEBI: Chrysoidine free base is a member of azobenzenes.
Flammability and Explosibility
Not classified
Properties and Applications
dark yellow orange. Melting point is 118 ~ 118.5 ℃. Soluble in water for yellow orange, soluble in ethanol and Cellosolve, slightly soluble in acetone, insoluble in benzene. In concentrated sulfuric acid to yellow, to orange after diluted; In nitric acid for orange solution.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 118 ~ 118.5 |
90≥194
Sublimation |
Poor | Poor | Dissolve |
Properties of 2,4-DIAMINOAZOBENZENE
| Melting point: | 117～123℃ |
| Boiling point: | 342.09°C (rough estimate) |
| Density | 1.1390 |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5000 (estimate) |
| solubility | Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 3.11±0.10(Predicted) |
| color | Red to Very Dark Brown |
| Water Solubility | 348.393mg/L at 30℃ |
| CAS DataBase Reference | 495-54-5 |
| EPA Substance Registry System | C.I. Solvent Orange 3 (495-54-5) |
Safety information for 2,4-DIAMINOAZOBENZENE
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H340:Germ cell mutagenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P281:Use personal protective equipment as required. P321:Specific treatment (see … on this label). P330:Rinse mouth. P362:Take off contaminated clothing and wash before reuse. P391:Collect spillage. Hazardous to the aquatic environment P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,4-DIAMINOAZOBENZENE
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