4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE
Synonym(s):Azoic Diazo No. 37;Fast Red GG salt
- CAS NO.：456-27-9
- Empirical Formula: C6H4BF4N3O2
- Molecular Weight: 236.92
- MDL number: MFCD00012005
- EINECS: 207-261-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE?
Chemical properties
Pale Yellow Solid
The Uses of 4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE
4-Nitrobenzenediazonium tetrafluoroborate is widely used as a standard reagent in organic synthesis. It is used as a dye for enterochromaffin cells. It is used for the spectrophotometric determination of common aromatic diisocyanates [toluene-2,4-diyl diisocyanate and 4,4'-methylenebis(phenyl isocyanate)] and gallic acid. It is also used for tissue staining and determination of trace phenols.
What are the applications of Application
4-Nitrobenzenediazonium tetrafluoroborate is a dye used for enterochromaffin cells and bile pigments
Purification Methods
It crystallises from water. [Whetsch et al. J Am Chem Soc 78 3360 1956, Beilstein 16 IV 816.] It can be EXPLOSIVE when dry.
Properties of 4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE
| Melting point: | 144-148 °C (dec.) |
| Density | 1.66 g/cm3(Temp: 25 °C) |
| storage temp. | 2-8°C |
| solubility | Soluble in acetonitrile and dimethyl sulfoxide. |
| form | powder |
| color | White to Yellow to Orange |
| Water Solubility | almost transparency |
| BRN | 3599869 |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents, moisture, strong bases. Avoid mechanical shock. |
| CAS DataBase Reference | 456-27-9(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenediazonium, 4-nitro-, tetrafluoroborate(1-) (456-27-9) |
Safety information for 4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE
4-NITROBENZENEDIAZONIUM TETRAFLUOROBORATE manufacturer
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