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Cas Database

Name	Purpurin	EINECS	201-359-8
CAS No.	81-54-9	Density	1.659 g/cm³
PSA	94.83000	LogP	1.57880
Solubility	6.405mg/L(25 oC)	Melting Point	253-256 °C(lit.)
Formula	C14H8 O5	Boiling Point	525.1 °C at 760 mmHg
Molecular Weight	256.215	Flash Point	113 °C
Transport Information	N/A	Appearance	N/A
Safety	Mutation data reported. An eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Anthraquinone,1,2,4-trihydroxy- (7CI,8CI); Purpurin (6CI);1,2,4-Trihydroxy-9,10-anthraquinone; 1,2,4-Trihydroxyanthraquinone; C.I. 58205;C.I. 75410; Hydroxylizaric acid; NSC 10447; Purpurin (dye); Purpurine; SmokeBrown G; Verantin	Article Data	57

Purpurin Chemical Properties

IUPAC Name: 1,2,4-Trihydroxy-9,10-anthraquinone
The MF of 1,2,4-Trihydroxy-9,10-anthraquinone (81-54-9) is C₁₄H₈O₅.

The MW of 1,2,4-Trihydroxy-9,10-anthraquinone (81-54-9) is 256.21.
Synonyms of 1,2,4-Trihydroxy-9,10-anthraquinone (81-54-9): 9,10-Anthracenedione, 1,2,4-trihydroxy- ; Purpurin ; 1,2,4-Trihydroxy-9, 10-anthraquinone ; 1,2,4-Trihydroxyanthra-9,10-quinone ; C.I. Natural Red 16
Product Categories: Intermediates of Dyes and Pigments;Anthraquinones, Hydroquinones and Quinones;Anthraquinones;Hydroxyanthraquinones
Form: brown-red to brown powder
Index of Refraction: 1.772
EINECS: 201-359-8
Density: 1.659 g/ml
Flash Point: 285.4 °C
Boiling Point: 525.1 °C
Melting Point: 253-256 °C
Colour Index: 58205
Merck: 7945

Purpurin Uses

1,2,4-Trihydroxy-9,10-anthraquinone (81-54-9) is used as pharmaceutical intermediates.

Purpurin Toxicity Data With Reference

1.	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.: 1972,103.
2.	mmo-sat 10 µg/plate	MUREAV Mutation Research. 40 (1976),203.
3.	mma-sat 10 µg/plate	MUREAV Mutation Research. 40 (1976),203.

Purpurin Safety Profile

Mutation data reported. An eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.Safety information of 1,2,4-Trihydroxy-9,10-anthraquinone (81-54-9):
Hazard Codes Xi,C,F
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
34 Causes burns
11 Highly Flammable
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
16 Keep away from sources of ignition - No smoking
WGK Germany 3
RTECS CB8200000

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