4-Nitrofluorescein
- CAS NO.：3326-35-0
- Empirical Formula: C20H11NO7
- Molecular Weight: 377.3
- MDL number: MFCD00135108
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:13
What is 4-Nitrofluorescein?
Chemical properties
Orange Cyrstalline Solid
The Uses of 4-Nitrofluorescein
Fluorescent labeling reagent for proteins. 4-Nitrofluorescein is used in the fluorescent antibody technique for rapid identification of pathogens.
What are the applications of Application
Nitrofluorescein, Isomer 1 is a fluorescent labeling reagent for proteins
Properties of 4-Nitrofluorescein
| Melting point: | >300°C |
| Boiling point: | 692.0±55.0 °C(Predicted) |
| Density | 1.72±0.1 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | almost transparency in NaOH100g/L |
| form | powder to crystal |
| pka | 9.29±0.20(Predicted) |
| color | Light yellow to Brown |
| Stability: | Light and Moisture Sensitive |
| InChI | InChI=1S/C20H11NO7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)20(15)14-4-1-10(21(25)26)7-13(14)19(24)28-20/h1-9,22-23H |
| EPA Substance Registry System | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-nitro- (3326-35-0) |
Safety information for 4-Nitrofluorescein
| 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 |
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. |
Computed Descriptors for 4-Nitrofluorescein
| InChIKey | UACQOMKZFGNRBL-UHFFFAOYSA-N |
| SMILES | C12(C3=C(C=C(O)C=C3)OC3=C1C=CC(O)=C3)C1=C(C=C([N+]([O-])=O)C=C1)C(=O)O2 |
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