93-35-6
Product Name:
7-Hydroxycoumarin
Formula:
C9H6O3
Synonyms:
7-Hydroxy-2H-1-benzopyran-2-one;7-Hydroxycoumarin
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid; [Merck Index] White or pale yellow powder; [Alfa Aesar MSDS] |
|---|---|
| Melting Point | 230 - 232 °C |
| Collision Cross Section | 154.46 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field] |
| Kovats Retention Index | 1789 1795 1797 1828 |
| Chemical Classes | Dyes -> Coumarin Dyes |
SAFETY INFORMATION
| 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 |
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. 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. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 162.14 g/mol |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 162.031694049 g/mol |
| Monoisotopic Mass | 162.031694049 g/mol |
| Topological Polar Surface Area | 46.5 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 222 |
| 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
Umbelliferone is a hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. It has a role as a fluorescent probe, a plant metabolite and a food component.