5-Bromoisatoic anhydride
Synonym(s):6-Bromo-1,2-dihydro-4H-3,1-benzoxazine-2,4-dione
- CAS NO.：4692-98-2
- Empirical Formula: C8H4BrNO3
- Molecular Weight: 242.03
- MDL number: MFCD00016921
- EINECS: 230-454-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:46
What is 5-Bromoisatoic anhydride?
Chemical properties
Off-white to salmon powder
The Uses of 5-Bromoisatoic anhydride
5-Bromoisatoic anhydride is an important chemical raw material and pharmaceutical intermediate, mainly used in laboratory research and development processes and chemical production processes.
Preparation
5-Bromoisatoic anhydride is prepared from 5-bromo indole by stirring in a 4:1 mixture of DMF/H2O for 16 h at room temperature.
1HNMR(DMSO-d6): δ 11.85 (s, br., 1H), 7.96 (dd, J = 0.8, 8.7 Hz, 1H), 7.87 (dd, J = 2.3, 8.7 Hz, 1H), 7.09 (dd, J = 8.8, 0.8 Hz, 1H).
Properties of 5-Bromoisatoic anhydride
| Melting point: | 280-285 °C (dec.) (lit.) |
| Density | 1.826±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | soluble in Dimethylformamide |
| form | powder to crystal |
| pka | 9.81±0.20(Predicted) |
| color | White to Light yellow to Light orange |
| CAS DataBase Reference | 4692-98-2(CAS DataBase Reference) |
Safety information for 5-Bromoisatoic anhydride
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H360:Reproductive toxicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 5-Bromoisatoic anhydride
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