4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid

Basic Information

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CAS Number

478-43-3

Molecular Formula

C15H8O6

Molecular Weight

284.22 g/mol

Basic Physical Properties

Physical State

Orange powder

Melting Point

≥300 °C

Boiling Point

597.8℃ at 760 mmHg

Water Solubility

<0.1 g/100 mL at 17 ºC

Flash Point

STABILITY

Solubility

less than 1 mg/mL at 63° F (NTP, 1992)

Refractive Index

1.4413 (estimate)

SMILES

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OC(=O)c1cc(O)c2C(=O)c3c(O)cccc3C(=O)c2c1

InChI

InChI=1S/C15H8O6/c16-9-3-1-2-7-11(9)14(19)12-8(13(7)18)4-6(15(20)21)5-10(12)17/h1-5,16-17H,(H,20,21)

InChIKey

FCDLCPWAQCPTKC-UHFFFAOYSA-N

LogP

1.5714000000000001

Topological Polar Surface Area

111.9 Å²

Hydrogen Bond Donor/Acceptor

3 / 6

Complexity

487

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Synonyms & References

English

Rhein
9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylicaci
9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthroicaci
chrysazin-3-carboxylicacid
monorhein
rheicacid
RHUBARB EXTRACT
RHUBARB YELLOW
4,5-Dihydroxyanthraquinone-2-carboxylic Acid
1,8-Dihydroxy-3-carboxyanthraquinone
4,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid
RHEIN(P) PrintBack
RHEIN(RG)
1,8-dihydroxy-3-carboxy-9,10-anthraquinone
1,8-dihydroxyanthraquinone-3-carboxylic acid
9,10-Dihydro-4,5-d
9,10-dihydro-4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid
Cassic acid
Chrysazin 3-carboxylic acid
9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid
[ "Cassic acid" ]
Rheic acid
Chrysazin-3-carboxylic acid
Rheinic acid
dipropionyl rhein
Rhein(Monorhein)
9,10-Dihyd
Rheic Acid
Rhubarb yellow
Monorhein
Cassic Acid

MDL Number

MFCD00009618

Customs Code

2918990090

FAQ

What is 4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3)?

4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) is a polycyclic aromatic compound with the chemical formula C14H10O4. It features hydroxyl groups at positions 4 and 5, a carboxylic acid group at position 2, and two ketone groups at positions 9 and 10. This compound is known for its stability in organic synthesis and is often used as a precursor in pharmaceutical and material science research.

What are the main uses of 4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3)?

4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) is primarily utilized in pharmaceutical research as a synthetic intermediate for drug development. It also serves in industrial applications, such as the production of dyes and polymers, and is studied in materials science for its potential in organic electronics. Its unique structure makes it valuable for chemical research and functional group modification studies.

Is 4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) safe?

4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) requires careful handling due to its potential irritancy. It may cause skin or eye irritation upon contact, so protective gloves, goggles, and a lab coat are recommended. Safety data sheets (SDS) should be consulted for proper disposal and exposure limits, and it is classified as a hazardous chemical under certain regulatory frameworks.

How should 4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) be stored?

4,5-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenecarboxylic acid (CAS: 478-43-3) should be stored in a sealed, airtight container in a cool (below 25°C), dry, and dark environment to maintain stability. It is sensitive to moisture and light, so desiccants and UV protection are advised. Keep away from incompatible materials and ensure proper ventilation in storage areas.