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Name	1-Methylamino-4-bromoanthraquinone	EINECS	204-920-5
CAS No.	128-93-8	Density	1.624 g/cm³
PSA	46.17000	LogP	3.33920
Solubility	N/A	Melting Point	195.5°C
Formula	C₁₅H₁₀BrNO₂	Boiling Point	510.058 °C at 760 mmHg
Molecular Weight	316.154	Flash Point	262.274 °C
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	R20/21/22; R34
Molecular Structure		Hazard Symbols	Xi,C
Synonyms	1-N-Methylamino-4-bromo-9,10-anthraquinone;4-Bromo-1-(N-methyamino)anthraquinone;4-Bromo-1-(methylamino)anthraquinone;NSC 39941;Anthraquinone,1-bromo-4-(methylamino)- (6CI,7CI,8CI);1-Bromo-4-(N-methylamino)anthraquinone;1-Bromo-4-(methylamino)anthraquinone;	Article Data	10

1-Methylamino-4-bromoanthraquinone Synthetic route

: 82-38-2
1-(methylamino)anthraquinone

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

Conditions

Conditions	Yield
With hydrogen bromide; 3-chloro-benzenecarboperoxoic acid In methanol at 30 - 32℃; for 0.166667h; Reagent/catalyst; regioselective reaction;	87%
With pyridine; bromine
With aluminium trichloride; bromine; nitrobenzene
With bromine In acetic acid
Stage #1: 1-(methylamino)anthraquinone With acetic acid for 0.5h; Stage #2: With bromine at 15 - 50℃; for 19h;	4.27 g

: 780038-86-0
1-bromo-4-nitro-anthraquinone

: 74-89-5
methylamine

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

Conditions

Conditions	Yield
With pyridine at 60℃;

: 82-38-2
1-(methylamino)anthraquinone

A: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

B: 6374-84-1
1-methylamino-2-bromoanthraquinone

Conditions

Conditions	Yield
With hydrogen bromide; bromine In acetic acid; propionic acid at 0℃; for 1h; Yield given. Yields of byproduct given;
With hydrogen bromide; bromine In acetic acid; propionic acid at 0℃; for 1h; Product distribution; without HBr; other N-substituted 1-aminoanthraquinone;

: 82-44-0
1-chloroanthracene-9,10-dione

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: copper (II)-acetate; aqueous pyridine / 130 °C 2: pyridine; bromine View Scheme

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

: 108-44-1
1-amino-3-methylbenzene

: 6408-50-0
solvent blue 63

Conditions

Conditions	Yield
With copper(II) sulfate; sodium hydroxide at 100℃; for 7h; Temperature;	92%

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

: 128-85-8
1-(methylamino)-4-[(4-methylphenyl)amino]anthraquinone

Conditions

Conditions	Yield
With sodium acetate In p-toluidine	82%
With sodium acetate In p-toluidine	82%

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

A: 82-38-2
1-(methylamino)anthraquinone

B: 106508-56-9
4,4'-bi(1-methylaminoanthraquinone)

Conditions

Conditions	Yield
With copper In N,N-dimethyl-formamide for 2h; Heating;	A n/a B 57%

: 60-35-5
acetamide

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

: 77817-44-8
1-acetylamino-4-methylaminoanthraquinone

Conditions

Conditions	Yield
With sodium acetate; copper (I) acetate; copper In chlorobenzene for 4h; Heating;	37%

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

: 76788-23-3
4-Amino-2',4'-dinitroazobenzene

: 76788-10-8
1-Methylamino-4-<4-(2,4-dinitrophenylazo)phenylamino>anthraquinone

Conditions

Conditions	Yield
With sodium acetate; copper (I) acetate; copper In various solvent(s) Heating;	19%

: 5121-00-6
naphthalen-1-yl-acetyl chloride

: 128-93-8
1-bromo-4-(methylamino)-9,10-anthracenedione

: [1]naphthyl-acetic acid-[(4-bromo-9,10-dioxo-9,10-dihydro-[1]anthryl)-methyl-amide]

Conditions

Conditions	Yield
With toluene

1-Methylamino-4-bromoanthraquinone Chemical Properties

Chemical Name: 1-Methylamino-4-bromo anthraquinone
IUPAC NAME: 1-Bromo-4-(methylamino)anthracene-9,10-dione
CAS No.: 128-93-8
EINECS: 204-920-5
Molecular Formula: C₁₅H₁₀BrNO₂
Molecular Weight: 316.15 g/mol
Density: 1.623 g/cm³
Flash Point: 262.3 °C
Boiling Point: 510.1 °C at 760 mmHg
Following is the structure of 1-Bromo-4-(methylamino)anthra-quinone (CAS No.128-93-8):

Product Categories about 1-Bromo-4-(methylamino)anthra-quinone (CAS No.128-93-8) is refer to Intermediates of Dyes and Pigments
The chemical synonymous of 1-Bromo-4-(methylamino)anthra-quinone (CAS No.128-93-8) are 1-Bromo-4-Methylamino-Anthraquinone ; 1-Methylamino-4-Bromo Anthraquinone ; 4-Bromo-1-(Methylamino)Anthraquinone ; 1-Bromo-4-(Methylamino)-10-Anthracenedione ; 1-Bromo-4-(Methylamino)-Anthraquinon ; 1-Bromo-4-Methylamino-9,10-Anthracenedione ; 1-Methylamine-4-Bromoanthraquinone ; 1-Methylamino-4-Bromanthrachinon

1-Methylamino-4-bromoanthraquinone Toxicity Data With Reference

eye-rbt 500 mg/24H MLD

85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,566.

1-Methylamino-4-bromoanthraquinone Consensus Reports

Reported in EPA TSCA Inventory.

1-Methylamino-4-bromoanthraquinone Safety Profile

An eye irritant. When heated to decomposition it emits toxic fumes of NO_x and Br⁻.

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