9H-Xanthene | CAS No. 92-83-1

9H-Xanthene

Basic Information

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CAS Number

92-83-1

Molecular Formula

C13H10O

Molecular Weight

182.22 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

101-102 °C

Boiling Point

310-312 °C

Density

1.0368 (rough estimate)

Flash Point

138

Refractive Index

1.5994 (estimate)

SMILES

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C1c2ccccc2Oc3ccccc13

InChI

InChI=1S/C13H10O/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)14-12/h1-8H,9H2

InChIKey

GJCOSYZMQJWQCA-UHFFFAOYSA-N

LogP

3.3831000000000016

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

181

Safety Information

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GHS Hazard Pictograms

H317

Hazard Statement

H317 May cause an allergic skin reaction
Sensitization, Skin

Stability

Stable. Combustible. Incompatible with oxidizing agents.

Synonyms & References

English

9H-Xanthene
Xanthene
9-oxa-9,10-dihydroanthracene
DIBENZOPYRAN
XANTHAN
Xanthane
Xanthene(6CI,7CI,8CI)
10H-9-Oxaanthracene
NSC 46931
Dibenzo[a,e]pyran
GJCOSYZMQJWQCA-UHFFFAOYSA-N
A762Z8101Y
SMR000857210
xanthene-
Xanthene, 99%
Dibenzopyran, tricyclic
MLS001333245
MLS001333246
HMS2231P24
HMS3371P15
NSC46931
SBB059332
5693AC
MCUL
Xanthene (6CI, 7CI, 8CI)
9-Oxa-9,10-dihydroanthracene
Dibenzopyran

MDL Number

MFCD00005055

Customs Code

29181100

FAQ

What are the physical and chemical properties of 9H-Xanthene (CAS: 92-83-1)?

9H-Xanthene is a yellow crystalline solid with a molecular weight of approximately 168.19 g/mol. It has a low solubility in water but is soluble in organic solvents like ethanol and acetone. This compound is relatively stable under normal conditions but can undergo photochemical reactions. It is used in various applications due to its unique optical properties.

How is 9H-Xanthene (CAS: 92-83-1) typically synthesized?

9H-Xanthene is commonly synthesized by the condensation of 3-isocyanatobenzaldehyde and 2-hydroxybenzaldehyde in the presence of a base like sodium hydroxide. The reaction yields a mixture of isomers, and the most desired product can be isolated by recrystallization. The yield is generally around 60-70%.

What industries use 9H-Xanthene (CAS: 92-83-1)?

9H-Xanthene is used in pharmaceuticals for its potential as a fluorescent probe in drug discovery. It is also utilized in the production of dyes and pigments due to its vibrant yellow color. Additionally, it finds application in the development of sensors and semiconductor materials due to its unique optical properties.

What precautions should be taken when handling 9H-Xanthene (CAS: 92-83-1)?

Proper personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat should be worn when handling 9H-Xanthene. Work should be conducted in a well-ventilated area or fume hood. In case of a spill, avoid direct contact with the skin and clean up with appropriate absorbent materials. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.