5-[(3-carboxy-4-hydroxyphenyl)-(3-carboxy-4-oxocyclohexa-2,
5-dien-1-ylidene)methyl]-2-hydroxybenzoic acid (Molecular Formula: C₂₂H₁₄O₉)

Product Name:	5-[(3-carboxy-4-hydroxyphenyl)-(3-carboxy-4-oxocyclohexa-2, 5-dien-1-ylidene)methyl]-2-hydroxybenzoic acid
CAS Registry Number:	4431-00-9
EINECS:	224-628-1
Synonyms:	4431-00-9; NSC 4056; EINECS 224-628-1; ST057219; Aluminon;5-[(3-carboxy-4-hydroxyphenyl)-(3-carboxy-4-oxocyclohexa-2, 5-dien-1-ylidene)methyl]-2-hydroxybenzoic acid; BRN 2228904;Aluminon free acid;
Molecular Structure:
Molecular Formula:	C₂₂H₁₄O₉
Molecular Weight:	422.34116
Density:	1.65g/cm³
Boiling Point:	759.6°Cat760mmHg
Melting Point:	300℃
Flash Point:	427.1°C
Refractive index:	1.751
Risk Codes:	S24/25:Avoidcontactwithskinandeyes.;
Safety Statements:	Hazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3 RTECS GU4790000
Hazard Symbols:	Xi: Irritant;

5-[(3-carboxy-4-hydroxyphenyl)-(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxybenzoic acid (Molecular Formula: C22H14O9)