Furo[3,4-b]pyridine-5,7-dione

Basic Information

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CAS Number

699-98-9

Molecular Formula

C7H3NO3

Molecular Weight

149.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

135.0 to 140.0 deg-C

Boiling Point

334.6°C at 760 mmHg

Density

1.4974 (rough estimate)

Water Solubility

Optimal solubility in water.

Flash Point

156.2 °C

Refractive Index

1.4835 (estimate)

Vapor Pressure

0.0±0.7 mmHg at 25°C

SMILES

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C1=CC2=C(C(=O)OC2=O)N=C1

InChI

InChI=1S/C7H3NO3/c9-6-4-2-1-3-8-5(4)7(10)11-6/h1-3H

InChIKey

MCQOWYALZVKMAR-UHFFFAOYSA-N

LogP

0.3922000000000001

Topological Polar Surface Area

56.260000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

214

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

Sensitiveness

Moisture Sensitive

Synonyms & References

English

Furo[3,4-b]pyridine-5,7-dione
A9253
FT-0609765
SY008029
NSC 44309
PYRIDINE-2,3-DICARBOXYLIC ACID ANHYDRIDE
SCHEMBL311088
CS-W007881
EINECS 211-834-1
2,3-Pyridinedicarboxylic anhydride treated BSA
PB28943
NS00036991
NSC-44309
Furo(3,4-b)pyridine-5,7-dione
Pyridine-2,3-dicarboxylic anhydride
PYRIDINIC ANHYDRIDE
2,3-pyridine dicarboxylic anhydride
AKOS000117980
2,3-Pyridinedicarboxylic anhydride, 97%
5H,7H-furo[3,4-b]pyridine-5,7-dione
Quinolinic anhydride
2,3-Pyridinedicarboxylic anhydride
AS-14415
BP-13069
quinolinic acid anhydride
EN300-27609
Z235344909
1,3-DIOXOLO(4,5-B)PYRIDIN-2-ONE
DTXSID1061023
MFCD00005915
2,3-Pyridinedicarboxylic anhydride (Quinolinic anhydride)

MDL Number

MFCD00005915

Customs Code

2934999090

FAQ

What is Furo[3,4-b]pyridine-5,7-dione (CAS: 699-98-9)?

Furo[3,4-b]pyridine-5,7-dione, also known as 2,4-dioxo-3,4-dihydrofuro[3,4-b]pyridine, is a heterocyclic aromatic organic compound. It has the chemical formula C7H5N2O4. This compound is characterized by its unique molecular structure, featuring a five-membered furan ring fused to a six-membered pyridine ring, with two ketone groups at positions 5 and 7.

What are the main uses of Furo[3,4-b]pyridine-5,7-dione (CAS: 699-98-9)?

Furo[3,4-b]pyridine-5,7-dione is primarily used in the pharmaceutical industry as a precursor for the synthesis of various organic compounds, including dyes and pigments. It also finds applications in the research of novel materials and in the development of new chemical reagents. Additionally, it is occasionally used in the synthesis of other heterocyclic compounds.

Is Furo[3,4-b]pyridine-5,7-dione (CAS: 699-98-9) safe?

Furo[3,4-b]pyridine-5,7-dione is not considered highly toxic, but it should be handled with care. It is classified as a non-toxic substance. However, direct contact with skin or eyes should be avoided. Adequate ventilation should be maintained during handling. Protective gloves and safety goggles are recommended to prevent accidental exposure.

How should Furo[3,4-b]pyridine-5,7-dione (CAS: 699-98-9) be stored?

Furo[3,4-b]pyridine-5,7-dione should be stored in a cool, dry place away from direct sunlight and heat sources. The compound should be kept in a tightly sealed container to prevent moisture absorption. It is advisable to store it in a well-ventilated area to avoid the risk of contamination and degradation. Temperature should be kept below 30°C, and humidity should be controlled to maintain optimal stability.