3326-32-7
Product Name:
Fluorescein isothiocyanate isomer I
Formula:
C21H11NO5S
Synonyms:
FITC;Fluorescein isothiocyanate;Fluorescein 5-isothiocyanate;FITC, Isomer I;Fluorescein Isothiocyanate, Isomer I
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS] |
|---|---|
| Chemical Classes | Dyes -> Indicator Dyes |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H334:Sensitisation, respiratory |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 389.4 g/mol |
|---|---|
| XLogP3 | 4.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 1 |
| Exact Mass | 389.03579362 g/mol |
| Monoisotopic Mass | 389.03579362 g/mol |
| Topological Polar Surface Area | 120 Ų |
| Heavy Atom Count | 28 |
| Formal Charge | 0 |
| Complexity | 668 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Fluorescein 5-isothiocyanate is the 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.