1,2,4-Trihydroxy-9,10-dihydroanthracene-9,10-dione

BGC Id:	774209648320
CAS No:	81-54-9
Synonyms:	c.i. 75410 ; anthraquinone,1,2,4-trihydroxy- (7ci,8ci) ; purpurin ; purpurin (6ci) ; 1,2,4-trihydroxy-9,10-anthraquinone ; nsc 10447 ; 9,10-anthracenedione,1,2,4-trihydroxy- ; c.i.75410 ; purpurine ; ci 58205 ; oxyalizarin ; verantin ; hydroxylizaric acid ; c.i. 1037 ; purpurin (dye) ; c.i.1037 ; smokebrown g ; 1,2,4-trihydroxyanthraquinone ; c.i. 58205
Molecular Formula:	C14H8 O5
Molecular Weight:	256.22
EINECS:	201-359-8

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Identify

Synonyms:

c.i. 75410 ; anthraquinone,1,2,4-trihydroxy- (7ci,8ci) ; purpurin ; purpurin (6ci) ; 1,2,4-trihydroxy-9,10-anthraquinone ; nsc 10447 ; 9,10-anthracenedione,1,2,4-trihydroxy- ; c.i.75410 ; purpurine ; ci 58205 ; oxyalizarin ; verantin ; hydroxylizaric acid ; c.i. 1037 ; purpurin (dye) ; c.i.1037 ; smokebrown g ; 1,2,4-trihydroxyanthraquinone ; c.i. 58205

CAS:

81-54-9

EINECS:

201-359-8

Molecular Formula:

C14H8 O5

MDL:

MFCD00001203

Properties

Molecular Weight:

256.22 g·mol−1

Density:

1.659 g/cm3

Melting point:

253-256 °C(lit.)

Boiling point:

525.1 °C at 760 mmHg

Flash point:

113 °C

Safety Information

Hazard Symbols: Xi, C, F

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38-34-11 (R)

Safety Codes:

26-36-45-36/37/39-16 (S)

WGK Germany:

RTECS:

CB8200000

What other providers are available for CAS 81-54-9?

In addition to the providers presented here for 1,2,4-Trihydroxy-9,10-dihydroanthracene-9,10-dione with the CAS number 81-54-9, there are other 25 providers with slightly different product names available for this CAS number.

Purpurin

Purpurin C.I. No. 58205

+2 additional providers that we know from the past