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Alfa Aesar™ Chromone-2-carboxylic acid, 97%

$59.57 - $778.88

Chemical Identifiers

CAS 4940-39-0
Molecular Formula C10H6O4
Formula Weight 190.15
MDL Number MFCD00006838
Beilstein 146442
Merck Index 14,2237
Synonym Chromocarb; 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Chemical Name or Material Chromone-2-carboxylic acid
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1355206 SDS Alfa Aesar™
A1355206
5g Each for $59.57
AAA1355214 SDS Alfa Aesar™
A1355214
25g Each for $204.73
AAA1355222 SDS Alfa Aesar™
A1355222
100g Each for $778.88
Specifications

Description

Applications
Chromone-2-carboxylic acid is used in the cyclic form 3′-oxopyrazolidino[4′,5′∶2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones and it is an orally active antiallergic agent.

Solubility
Soluble in alcohol, water, DMSO, hot methanol, and ethanol.

Notes
Keep container tightly closed. Store away from oxidizing agents.
Description & Specifications

Chemical Identifiers

4940-39-0
190.15
146442
Chromocarb; 4-Oxo-4H-1-benzopyran-2-carboxylic acid
C10H6O4
MFCD00006838
14,2237
Chromone-2-carboxylic acid

Specifications

4940-39-0
190.15
146442
Chromocarb; 4-Oxo-4H-1-benzopyran-2-carboxylic acid
5g
97%
C10H6O4
MFCD00006838
14,2237
≈260°C (dec.)
Chromone-2-carboxylic acid

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning

RTECSNumber : DJ2476000