2,7-Diaminofluorene
Synonym(s):2,7-Fluorenediamine
- CAS NO.：525-64-4
- Empirical Formula: C13H12N2
- Molecular Weight: 196.25
- MDL number: MFCD00001128
- EINECS: 208-377-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:27
What is 2,7-Diaminofluorene?
The Uses of 2,7-Diaminofluorene
2,7-Diaminofluorene is used to make polyamide resin composites and polyamide films.
Purification Methods
Crystallise the diamine from hot H2O or aqueous EtOH, dry it in vacuo and store it in the dark. [Beilstein 13 H 266, 13 II 123, 12 III 507, 13 IV 449.]
Properties of 2,7-Diaminofluorene
| Melting point: | 160-162 °C (lit.) |
| Boiling point: | 323.14°C (rough estimate) |
| Density | 1.1265 (rough estimate) |
| refractive index | 1.5014 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | powder to crystaline |
| pka | 4.63±0.20(Predicted) |
| color | White to Gray to Brown |
| Water Solubility | Slightly soluble in cold water. Soluble in hot water. Sparingly soluble in ethanol. and acetone. Insoluble in ether. |
| Merck | 14,4156 |
| BRN | 2099859 |
| InChI | InChI=1S/C13H12N2/c14-10-1-3-12-8(6-10)5-9-7-11(15)2-4-13(9)12/h1-4,6-7H,5,14-15H2 |
| CAS DataBase Reference | 525-64-4(CAS DataBase Reference) |
Safety information for 2,7-Diaminofluorene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. 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. |
Computed Descriptors for 2,7-Diaminofluorene
| InChIKey | SNCJAJRILVFXAE-UHFFFAOYSA-N |
| SMILES | C1C2=C(C=CC(N)=C2)C2=C1C=C(N)C=C2 |
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