-
Name
6-Carboxyfluorescein
- EINECS 276-331-1
- CAS No. 3301-79-9
- Article Data11
- CAS DataBase
- Density 1.73 g/cm3
- Solubility DMSO: soluble
- Melting Point >300 °C(lit.)
- Formula C21H12O7
- Boiling Point 736.4 °C at 760 mmHg
- Molecular Weight 376.322
- Flash Point 271 °C
- Transport Information
- Appearance Orange solid
- Safety 26-36/37
- Risk Codes 36/37/38
-
Molecular Structure
-
Hazard Symbols
Xi
- Synonyms Spiro[phthalan-1,9'-xanthene]-6-carboxylicacid, 3',6'-dihydroxy-3-oxo- (8CI);Terephthalic acid,(3,6,9-trihydroxyxanthen-9-yl)-, g-lactone (7CI);6-FAM;Fluorescein, 6-carboxy-;
- PSA 113.29000
- LogP 3.36400
6-Carboxyfluorescein Chemical Properties
IUPAC Name: 3',6'-Dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid
Empirical Formula: C21H12O7
Molecular Weight: 376.3158
Einecs: 276-331-1
Product Categories: Electronic chemicals ; Fluorescent labels and Indicators
Freely Rotating Bonds: 3
Polar Surface Area: 80.29 Å2
Index of Refraction: 1.816
Molar Refractivity: 94.27 cm3
Molar Volume: 217.3 cm3
Polarizability: 37.37 ×10-24 cm3
Surface Tension: 107.7 dyne/cm
Density: 1.73 g/cm3
Flash Point: 271 °C
Enthalpy of Vaporization: 112.76 kJ/mol
Boiling Point: 736.4 °C at 760 mmHg
Vapour Pressure: 9.09E-23 mmHg at 25°C
The Cas Register Number of 6-Carboxyfluorescein is 3301-79-9.The chemical synonyms of 6-Carboxyfluorescein (CAS NO.3301-79-9) are 3',6'-Dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-6-carboxylic acid and Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-6-carboxylic acid, 3',6'-dihydroxy-3-oxo- .The molecular structure of 6-Carboxyfluorescein (CAS NO.3301-79-9) is
.bmp)
.
6-Carboxyfluorescein Uses
6-Carboxyfluorescein (CAS NO.3301-79-9) is used in organic synthesis .
6-Carboxyfluorescein Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37: Wear suitable protective clothing and gloves.
WGK Germany: 3
F: 10-21
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