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128-94-9

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Basic Information
CAS No.: 128-94-9
Name: 1 8-DIAMINO-4 5-DIHYDROXYANTHRAQUINONE
Article Data: 7
Molecular Structure:
Molecular Structure of 128-94-9 (1 8-DIAMINO-4 5-DIHYDROXYANTHRAQUINONE)
Formula: C14H10 N2 O4
Molecular Weight: 270.244
Synonyms: Anthraquinone,1,8-diamino-4,5-dihydroxy- (6CI,7CI,8CI);1,8-Diamino-4,5-dihydroxy-9,10-anthraquinone; 1,8-Diamino-4,5-dihydroxyanthraquinone;1,8-Diaminochrysazine; 1,8-Dihydroxy-4,5-diaminoanthraquinone;4,5-Diamino-1,8-dihydroxyanthraquinone; 4,5-Diaminochrysazin; NSC 60014
Density: 1.683g/cm3
Melting Point: 300℃
Boiling Point: 649.4°Cat760mmHg
Flash Point: 346.6°C
Hazard Symbols: Xi
Risk Codes: 36/37/38
Safety: An eye irritant. When heated to decomposition it emits toxic vapors of NOx.
PSA: 126.64000
LogP: 2.20000
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Chemistry

IUPAC Name: 1,8-Diamino-4,5-dihydroxyanthracene-9,10-dione
Synonyms of 4,5-Diaminochrysazin (CAS NO.128-94-9) : 1,8-Diamino-4,5-dihydroxy-9,10-anthracenedione ; 1,8-Diamino-4,5-dihydroxyanthrachinon ; 1,8-Diaminochrysazine ; 4,5-Diamino-1,8-dihydroxyanthraquinone ; 4,5-Diaminochrysazin ; 9,10-Anthracenedione, 1,8-diamino-4,5-dihydroxy- ; Anthraquinone, 1,8-diamino-4,5-dihydroxy-
CAS NO:128-94-9
Molecular Formula:C14H10N2O4
Molecular Weight :270.240200 g/mol
Molecular Structure :
EINECS: 204-921-0
Index of Refraction: 1.836 
Surface Tension: 111.2 dyne/cm
Density: 1.683 g/cm3
Flash Point: 346.6 °C
Enthalpy of Vaporization: 99.21 kJ/mol
Boiling Point: 649.4 °C at 760 mmHg
Vapour Pressure: 1.82E-17 mmHg at 25°C

Toxicity Data With Reference

1.    

eye-rbt 100 mg/24H MOD

     85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,653.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

An eye irritant. When 4,5-Diaminochrysazin (CAS NO.128-94-9) is heated to decomposition, it emits toxic vapors of NOx.