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CAS No.: | 569-77-7 |
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Name: | PURPUROGALLIN |
Article Data: | 70 |
Molecular Structure: | |
Formula: | C11H8 O5 |
Molecular Weight: | 220.182 |
Synonyms: | Purpurogallin(6CI); 2,3,4,6-Tetrahydroxy-5H-benzo[a]cyclohepten-5-one; NSC 35676; NSC 646653 |
Density: | 1.74g/cm3 |
Melting Point: |
275 °C (dec.)(lit.) |
Boiling Point: | 357.9°Cat760mmHg |
Flash Point: | 184.5°C |
Hazard Symbols: | Xi |
Risk Codes: | R36/37/38 |
Safety: | Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. |
PSA: | 97.99000 |
LogP: | 1.02240 |
IUPAC Name: 1,2,3,9-tetrahydroxybenzo[7]annulen-8-one
Molecular Formula: C11H8O5
EINECS: 209-324-9
Molecular Weight: 220.19g/mol
Density: 1.74g/cm3
Melting Point: 275 °C (dec.)(lit.)
Boiling Point: 357.9 °C at 760 mmHg
Flash Point: 184.5°C
Properties: Yellow or dark-red needles from AcOH.
Freely Rotating Bonds: 4
Polar Surface Area: 53.99 Å2
Index of Refraction: 1.79
Molar Refractivity: 53.32 cm3
Molar Volume: 125.8 cm3
Polarizability: 21.14 ×10-24 cm3
Surface Tension: 102.3 dyne/cm
Enthalpy of Vaporization: 69.85 kJ/mol
Vapour Pressure: 1.46E-06 mmHg at 25°C
The Cas Register Number of 2,3,4,6-Tetrahydroxy-5h-benzocyclo-heptene-5-one is 569-77-7.The chemical synonyms of 2,3,4,6-Tetrahydroxy-5h-benzocyclo-heptene-5-one (CAS NO.569-77-7) are 2,3,4,6-Tetrahydroxy-5H-benzo[7]annulen-5-one ; 2,3,4,6-Tetrahydroxy-5H-benzocyclohepten-5-one ; 209-324-9 [EINECS/ELINCS] ; 5H-Benzocyclohepten-5-one, 2,3,4,6-tetrahydroxy- ; 5H-Benzocycloheptene-5-one, 2,3,4,6-tetrahydroxy- ; 1978265 [Beilstein] ; 2,3,4,6-Tetrahydroxy-5H-benzo[a]cyclohepten-5-one ; 2,3,4,6-Tetrahydroxy-5H-benzocycloheptene-5-one ; 2,3,4,6-tetrahydroxybenzocyclohepten-5-one .Product categories of 2,3,4,6-Tetrahydroxy-5h-benzocyclo-heptene-5-one (CAS NO.569-77-7) are Tropolones ; Tropolones & Azulenes .The molecular structure of 2,3,4,6-Tetrahydroxy-5h-benzocyclo-heptene-5-one (CAS NO.569-77-7) is.
It can be used as pharmaceutical intermediate.
1. | mma-sat 50 µg/plate | PMRSDJ Progress in Mutation Research. 1 (1981),11. |
EPA Genetic Toxicology Program.
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.