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1,4,5,8-Tetrahydroxyanthraquinone
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Name

1,4,5,8-Tetrahydroxyanthraquinone

 EINECS N/A
CAS No. 81-60-7 Density 1.781g/cm3
PSA 115.06000 LogP 1.28440
Solubility N/A Melting Point >274.85°C
Formula C14H8 O6 Boiling Point 554.8°Cat760mmHg
Molecular Weight 272.214 Flash Point 303.4°C
Transport Information N/A Appearance N/A
Safety Moderately toxic by intraperitoneal route. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes. Risk Codes N/A
Molecular Structure Molecular Structure of 81-60-7 (1,4,5,8-TETRAHYDROXYANTHRAQUINONE) Hazard Symbols N/A
Synonyms

Anthraquinone,1,4,5,8-tetrahydroxy- (6CI,7CI,8CI); 1,4,5,8-Tetrahydroxy-9,10-anthracenedione;1,4,5,8-Tetrahydroxy-9,10-anthraquinone; 1,4,5,8-Tetrahydroxyanthraquinone; NSC401144

Article Data 17

1,4,5,8-Tetrahydroxyanthraquinone Synthetic route

988-30-7

1,4,5,8-tetraacetoxy-9,10-anthraquinone

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
With water; trifluoroacetic acid at 65℃; for 1h;100%
145-49-3

4,8-diamino-1,5-dihydroxyanthraquinone

A

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

B

6374-78-3

1-amino-4,5,8-trihydroxyanthraquinone

C

69837-14-5

leuco-1,4,5,8-tetrahydroxyanthraquinone

D

5-Amino-8,9,10-trihydroxy-2,3-dihydro-anthracene-1,4-dione

Conditions
ConditionsYield
With sodium dithionite In water at 100℃; for 0.666667h;A 2.5%
B 1.3%
C 92%
D 6.4%
23478-60-6

leuco-1,4,5,8-tetrahydroxyanthraquinone

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
With nitrobenzene for 0.25h; Heating;92%

leuco-4,8-diamino-1,5-dihydroxyanthraquinone

A

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

B

6374-78-3

1-amino-4,5,8-trihydroxyanthraquinone

C

69837-14-5

leuco-1,4,5,8-tetrahydroxyanthraquinone

D

5-Amino-8,9,10-trihydroxy-2,3-dihydro-anthracene-1,4-dione

Conditions
ConditionsYield
With sodium dithionite In water at 100℃; for 0.666667h;A 3.7%
B 1.4%
C 90%
D 7.1%
With hydrogenchloride at 85 - 90℃; for 2h; Product distribution;A 6.8%
B 22.2%
C 46%
D 16.5%
6374-78-3

1-amino-4,5,8-trihydroxyanthraquinone

A

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

B

69837-14-5

leuco-1,4,5,8-tetrahydroxyanthraquinone

C

5-Amino-8,9,10-trihydroxy-2,3-dihydro-anthracene-1,4-dione

Conditions
ConditionsYield
With sodium dithionite In water at 100℃; for 0.666667h;A 2.1%
B 88%
C 4.44%

4,8-diamino-1,5-dihydroxyanthraquinone-2,6-disulfonate de sodium

A

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

B

6374-78-3

1-amino-4,5,8-trihydroxyanthraquinone

C

69837-14-5

leuco-1,4,5,8-tetrahydroxyanthraquinone

D

5-Amino-8,9,10-trihydroxy-2,3-dihydro-anthracene-1,4-dione

Conditions
ConditionsYield
With sodium dithionite In water at 100℃; for 0.666667h;A 2.7%
B 0.2%
C 87%
D 5.1%
With sodium hydroxide at 90 - 100℃; for 0.666667h; Product distribution; NaOH conc.;A 17.4%
B 12.7%
C 8.47%
D 24.9%
145-49-3

4,8-diamino-1,5-dihydroxyanthraquinone

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
With sodium hydroxide; sodium dithionite at 100℃; for 1h;80%
With hydrogenchloride at 180℃;
With sodium dithionite; nitrobenzene 1.) 100 deg C; Multistep reaction;
16517-70-7

1,4-diamino-5,8-dihydroxy-9,10-anthracenedione

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
With sodium hydroxide In water for 3h; Reflux;75%
129-44-2

1,5-diaminoanthraquinone

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
Stage #1: 1,5-diaminoanthraquinone With sodium hydroxide; water for 3h; Heating / reflux;
Stage #2: With sodium hydrogensulfite In water for 3h; Heating / reflux;
Stage #3: With hydrogenchloride In water pH=3;		73%
14597-12-7

3,6-dimethoxyphthalic anhydride

123-31-9

hydroquinone

81-60-7

1,4,5,8-tetrahydroxy-anthraquinone

Conditions
ConditionsYield
With aluminium trichloride; sodium chloride

1,4,5,8-Tetrahydroxyanthraquinone Chemical Properties

Chemical Name: 1,4,5,8-Tetrahydroxyanthraquinone
IUPAC NAME: 1,4,5,8-Tetrahydroxyanthracene-9,10-dione
CAS No.: 81-60-7
EINECS: 201-365-0
Molecular Formula: C14H8O6
Molecular Weight: 272.21 g/mol
Density: 1.781 g/cm3
Flash Point: 303.4 °C
Boiling Point: 554.8 °C at 760 mmHg
Following is the structure of 1,4,5,8-Tetrahydroxyanthraquinone (CAS No.81-60-7):


Product Categories about 1,4,5,8-Tetrahydroxyanthraquinone (CAS No.81-60-7) are Intermediates of Dyes and Pigments
The chemical synonymous of 1,4,5,8-Tetrahydroxyanthraquinone (CAS No.81-60-7) are 1,4,5,8-Tetrahydroxyanthracene-9,10-Dione ; 1,4,5,8-Tetrahydroxyanthraquinone ; Rarechem Aq Bd An29 ; 1,4,5,8-Leucotetraoxyanthraquinone ; 1,4,5,8-Ltoa ; 1,4,5,8-Tetrahydroxy-10-Anthracenedione ; 1,4,5,8-Tetrahydroxy-9,10-Anthacendione ; 1,4,5,8-Tetrahydroxyanthrachinon

1,4,5,8-Tetrahydroxyanthraquinone Toxicity Data With Reference

1.    

skn-rbt 500 mg/24H MLD

     28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,104.
2.    

eye-rbt 500 mg/24H MLD

     28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,104.
3.    

ipr-rat LD50:2200 mg/kg

     GTPZAB    Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 21 (12)(1977),27.

1,4,5,8-Tetrahydroxyanthraquinone Safety Profile

Moderately toxic by intraperitoneal route. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

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