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Basic Information
CAS No.: 25128-35-2
Name: 2,3-DIOXOINDOLINE-7-CARBOXYLIC ACID
Article Data: 8
Molecular Structure:
Molecular Structure of 25128-35-2 (2,3-DIOXOINDOLINE-7-CARBOXYLIC ACID)
Formula: C9H5NO4
Molecular Weight: 191.143
Synonyms: 7-Indolinecarboxylicacid, 2,3-dioxo- (6CI,8CI);2,3-Dioxo-2,3-dihydro-1H-indole-7-carboxylic acid;2,3-Dioxo-7-indolinecarboxylic acid;Isatin-7-carboxylic acid;
EINECS: 1533716-785-6
Density: 1.592 g/cm3
Melting Point: 268 °C
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 83.47000
LogP: 0.65760
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  • 2,3-DIOXOINDOLINE-7-CARBOXYLIC ACID

  • Casno:

    25128-35-2

    2,3-DIOXOINDOLINE-7-CARBOXYLIC ACID

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  • 2,3-Dioxoindoline-7-carboxylic acid

  • Casno:

    25128-35-2

    2,3-Dioxoindoline-7-carboxylic acid

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Chemistry

Following is the structure of 2,3-Dioxoindoline-7-carboxylic acid (CAS NO.25128-35-2):
                  
Empirical Formula: C9H5NO4
Molecular Weight: 191.1403 g/mol
Molar Refractivity: 44.35 cm3
Molar Volume: 120 cm3
Density: 1.591 g/cm3
Melting point: 268 °C
Index of Refraction: 1.66
Surface Tension: 73.4 dyne/cm
SMILES: O=C(O)c1cccc2c1NC(=O)C2=O
InChI: InChI=1/C9H5NO4/c11-7-4-2-1-3-5(9(13)14)6(4)10-8(7)12/h1-3H,(H,13,14)(H,10,11,12)
InChIKey: ROODQCZSWXEDJL-UHFFFAOYAQ

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S37/39:Wear suitable gloves and eye/face protection.
Hazard Note: Irritant

Specification

 2,3-Dioxoindoline-7-carboxylic acid , its cas register number is 25128-35-2. It also can be called 1H-indole-7-carboxylic acid, 2,3-dihydro-2,3-dioxo- ; and 2,3-Dioxoindoline-7-carboxylic acid .