1-(Methylamino)anthraquinone

CAS No. 82-38-2

Formula: C15H11NO2
Basic Info

Disperse Red 9, also called C.I. 60505 and 1-methylamino anthraquinone, is a red dye derived from anthraquinone. Disperse Red 9 is used in some older red and violet-red colored smoke formulations. It is used in the M18 colored smoke grenade and also often in dye packs. Its properties can be improved by coating the dye particles with an inert material, e.g. an epoxy resin.

Formula
C15H11NO2
Molecular Weight
237.253
Exact Mass
237.079
LogP
2.5767
PSA
46.17
Synonyms

9,10-Anthracenedione, 1-(methylamino)-

Disperse Red 9

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Properties
Appearance & Physical State
red powder
Density
1.328 g/cm3
Boiling Point
463.2ºC at 760 mmHg
Melting Point
170-172ºC
Flash Point
195.3ºC
Refractive Index
1.69
Safety Info
RTECS
CB0536600
Safety Statements
S26-S37/39
Risk Statements
R36/37/38
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : 400 MHz in CDCl3
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IR Spectrum IR : KBr disc
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Mass Spectrum Mass spectrum (electron ionization)
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Toxicity
ACUTE TOXICITY DATA
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Type of Test
LD - Lethal dose
Exposure Route
Oral
Species Observed
Mammal - dog
Dose/Duration
>8 gm/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 12,499,1983
ACUTE TOXICITY DATA
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Type of Test
LD - Lethal dose
Exposure Route
Administration onto the skin
Species Observed
Rodent - rabbit
Dose/Duration
>2 gm/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 12,499,1983
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