478-43-3
Product Name:
Rhein
Formula:
C15H8O6
Synonyms:
Rheic acid;Rhubarb yellow;4,5-Dihydroxyanthraquinone-2-carboxylic acid;9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid;Cassic acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Rhein appears as yellow needles (from methanol) or yellow-brown powder. (NTP, 1992) |
|---|---|
| Boiling Point | Sublimes (NTP, 1992) |
| Melting Point | 610 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 63 °F (NTP, 1992) |
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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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
| Molecular Weight | 284.22 g/mol |
|---|---|
| XLogP3 | 2.2 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 1 |
| Exact Mass | 284.03208797 g/mol |
| Monoisotopic Mass | 284.03208797 g/mol |
| Topological Polar Surface Area | 112 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 487 |
| 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
Rhein appears as yellow needles (from methanol) or yellow-brown powder. (NTP, 1992)