7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
Synonym(s):4-Fluoro-7-sulfobenzofurazan ammonium salt;7-Fluorobenz-2,1,3-oxadiazole-4-sulfonic acid ammonium salt;Ammonium 7-fluorobenzofurazan-4-sulfonate;SBD-F
- CAS NO.：84806-27-9
- Empirical Formula: C6H6FN3O4S
- Molecular Weight: 235.19
- MDL number: MFCD02682109
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:47:34
What is 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt?
Chemical properties
Yellow-Green Powder
The Uses of 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
7-FLUOROBENZO-2-OXA-1,3-DIAZOLE-4-SULFONIC ACID AMMONIUM SALT is a water soluble bifunctional fluorogenic reagent for the sensitive and specific detection of thiols in biological specimens or proteins. SBD-F has high reactivity to thiol compounds to attain low detection limits; no flourescence in itself; biological buffer solublility; stability at RT in water for >1 week. The optimal condition for reaction was 60oC and pH 9.5 for 1 h.
The Uses of 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
Fluorescent probe for thiols widely used in pre-column labeling of biological thiols for HPLC.
Properties of 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
| Melting point: | >290°C dec. |
| storage temp. | 2-8°C |
| solubility | Ethanol (Slightly), Methanol (Slightly), Water (Slightly) |
| form | Solid |
| color | Light Yellow to Orange |
| Sensitive | Light Sensitive |
| BRN | 5199564 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 84806-27-9(CAS DataBase Reference) |
Safety information for 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral 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. 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. 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 7-Fluorobenzo-2-oxa-1,3-diazole-4-sulfonic acid ammonium salt
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