Diiodofluorescein
- CAS NO.：33239-19-9
- Empirical Formula: C20H8I2Na2O5
- Molecular Weight: 628.06
- MDL number: MFCD00036461
- EINECS: 251-419-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:13
What is Diiodofluorescein?
The Uses of Diiodofluorescein
Erythrosin Yellowish is a dye.
Preparation
will fluorescent element (C.I.Acid Yellow 73, C.I. 45350) with iodine in aqueous solution and technique of or with chlorinated iodine and bases of two iodine.
Properties and Applications
yellow light red. Soluble in water is cherry red, no fluorescence. The strong sulfuric acid to tan, diluted the yellow for precipitation. In water solution to join sodium hydroxide to create soluble red precipitate.
Properties of Diiodofluorescein
| Melting point: | 240 °C (dec.)(lit.) |
| Sensitive | Light Sensitive |
| CAS DataBase Reference | 33239-19-9(CAS DataBase Reference) |
Safety information for Diiodofluorescein
| 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 |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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 Diiodofluorescein
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