4-Bromo-1,8-naphthalic anhydride supplier

Name
4-Bromo-1,8-naphthalic anhydride
EINECS 201-382-3
CAS No. 21563-29-1
Article Data4
CAS DataBase
Density 1.812 g/cm³
Solubility
Melting Point 217-219 ºC
Formula C₁₂H₅BrO₃
Boiling Point 467.2 ºC at 760 mmHg
Molecular Weight 277.074
Flash Point 236.3 ºC
Transport Information
Appearance loose-shaped white or off-white crystalline powder
Safety S26
Risk Codes R36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms Naphthalic anhydride, 2-bromo- (8CI);2-Bromo-1,8-naphthalic anhydride;1H,3H-Naphtho[1,8-cd]pyran-1,3-dione,4-bromo-;
PSA 43.37000
LogP 2.91290

4-Bromo-1,8-naphthalic anhydride Chemical Properties

Systematic Name: 6-Bromo-1H,3H-benzo[de]isochromene-1,3-dione
Molecular Formula: C₁₂H₅BrO₃
Molecular Weight: 277.07 g/mol
Canonical SMILES: C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)Br
InChI: InChI=1S/C12H5BrO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H
Product Categories: Intermediates of Dyes and Pigments
Melting point: 217-219 °C(lit.)
Index of Refraction: 1.733
Molar Refractivity: 61.21 cm³
Molar Volume: 152.8 cm³
Polarizability: 24.26×10^-24cm³
Surface Tension: 68 dyne/cm
Density: 1.812 g/cm³
Flash Point: 236.3 °C
Enthalpy of Vaporization: 72.91 kJ/mol
Boiling Point: 467.2 °C at 760 mmHg
Vapour Pressure of 4-Bromo-1,8-naphthalic anhydride (CAS NO.21563-29-1): 6.66E-09 mmHg at 25 °C

4-Bromo-1,8-naphthalic anhydride Uses

4-Bromo-1,8-naphthalic anhydride (CAS NO.21563-29-1) is mainly used as dye intermediate for the manufacture of fluorescent yellow, fluorescent orange,etc.

4-Bromo-1,8-naphthalic anhydride Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
Hazard Note: Irritant
HazardClass of 4-Bromo-1,8-naphthalic anhydride (CAS NO.21563-29-1): Irritant

4-Bromo-1,8-naphthalic anhydride Specification

4-Bromo-1,8-naphthalic anhydride (CAS NO.21563-29-1), its Synonyms are 4-Bromonaphthalene-1,8-dicarboxylic anhydride ; 2-Bromo-1,8-naphthalic anhydride ; 8-Bromo-1,8-naphthalic anhydride . It is loose-shaped white or off-white crystalline powder.

Product Name

4-Bromo-1,8-naphthalic anhydride

4-Bromo-1,8-naphthalic anhydride Chemical Properties

4-Bromo-1,8-naphthalic anhydride Uses

4-Bromo-1,8-naphthalic anhydride Safety Profile

4-Bromo-1,8-naphthalic anhydride Specification

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