Alizarin

• Catalog No.: 32612
• CAS Number: 72-48-0
• M. F.: C14H8O4
• M. W.: 240.21092

SYNONYMS

• Title: 茜素
• IUPAC name: 1,2-dihydroxy-9,10-dihydroanthracene-9,10-dione
• IUPAC Traditional name: alizarin
• Synonyms: 媒染红 11; 1,2-Dihydroxyanthraquinone; Mordant Red 11; 1,2-二羟基蒽醌

DATABASE IDS

• EC Number: 200-782-5
• CAS Number: 72-48-0
• MDL Number: MFCD00001201
• PubChem SID: 24859562
• Beilstein Number: 1914037
• Color Index Number: 58000

PROPERTIES

• abs.: absorption1%/422 nm ≥120 (1 cm; pH 5.8)
• abs.: absorption1%/520 nm ≥230 (1 cm; pH 7.2)
• Empirical Formula (Hill Notation): C14H8O4
• Grade: indicator
• Grade: puriss. p.a.
• Loss on Drying: ≤3% loss on drying, 105 °C
• Melting Point: 279-283 °C(lit.)
• GHS Signal Word: Warning
• GHS Hazard statements: H302-H319
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• GHS Precautionary statements: P305 + P351 + P338
• RTECS: CB6580000
• German water hazard class: 3