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ChemicalBook--->CAS DataBase List--->4940-39-0

4940-39-0

4940-39-0 Structure

4940-39-0 Structure
IdentificationMore
[Name]

4-Oxo-4H-1-benzopyran-2-carboxylic acid
[CAS]

4940-39-0
[Synonyms]

4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID
4-OXO-4H-BENZOPYRAN-2-CARBOXYLIC ACID
4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID
CHROMOCARB
CHROMONE-2-CARBOXYLIC ACID
LABOTEST-BB LT00454887
TIMTEC-BB SBB003660
4-oxo-4h-1-benzopyran-2-carboxylicaci
atremon
chromocarbe
chromonecarboxylicacid
lp-1
Chromocarb~4-Oxo-4H-1-benzopyran-2-carboxylic acid
Chromone-2-carboxylic acid, 97+%
2-Chromonecarboxylic acid
CHROMONE-2-CARBOXYLIC ACID (4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID)
4-Oxo-4H-1-Benzopyran-2-carboxylic acid, Chromocarb, Chromone-2-carboxylic acid
4-Oxochromene-2-carboxylic acid
Chromone-2-carboxylic acid (4-Oxo-4H-1-benzopyran-2-carboxylic a
[EINECS(EC#)]

225-583-0
[Molecular Formula]

C10H6O4
[MDL Number]

MFCD00006838
[Molecular Weight]

190.15
[MOL File]

4940-39-0.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powder
[Melting point ]

260 °C (dec.)(lit.)
[Boiling point ]

285.64°C (rough estimate)
[density ]

1.3366 (rough estimate)
[refractive index ]

1.5280 (estimate)
[storage temp. ]

Sealed in dry,Room Temperature
[solubility ]

alcohol: soluble
[form ]

Powder
[pka]

2.28±0.20(Predicted)
[color ]

White to beige
[Water Solubility ]

sparingly soluble
[Merck ]

14,2237
[BRN ]

146442
[CAS DataBase Reference]

4940-39-0(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

3
[RTECS ]

DJ2476000
[Hazard Note ]

Irritant
[HS Code ]

29329990
[Toxicity]

LD50 intraperitoneal in mouse: 585mg/kg
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0).msds
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powder
[Uses]

4-oxo-4H-1-Benzopyran-2-carboxylic Acid acts as an inhibitor of monoamine oxidase A & B. Also functions as a novel type of tyrosine phosphatase 1B inhibitor in studies, due to a structure derived from formylchromone.
[Uses]

vascular protectant
[Definition]

ChEBI: 4-oxo-1-benzopyran-2-carboxylic acid is a member of chromones.
[General Description]

Nasal absorption of 4-oxo-4H-1-benzopyran-2-carboxylic acid has been investigated in the male Wistar rat.
Spectrum DetailBack Directory
[Spectrum Detail]

4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)MS
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)1HNMR
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)13CNMR
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)IR1
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)IR2
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97%(4940-39-0)
[Alfa Aesar]

Chromone-2-carboxylic acid, 97%(4940-39-0)
[TCI AMERICA]

4-Oxo-4H-1-benzopyran-2-carboxylic Acid,>98.0%(LC)(T)(4940-39-0)
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