8.20259

1,4-Dihydroxyanthraquinone

for synthesis

• Synonym(s): 1,4-Dihydroxyanthraquinone, Quinizarin
• Empirical Formula (Hill Notation): C₁₄H₈O₄
• CAS Number: 81-64-1
• Molecular Weight: 240.21
• MDL number: MFCD00001209
• UNSPSC Code: 12352115
• EC Index Number: 201-368-7
• NACRES: NA.22

Properties

• vapor pressure: 1.3 hPa ( 197 °C)
• Quality Level: 200
• assay: ≥97.0% (acidimetric)
• form: powder
• potency: >5000 mg/kg LD₅₀, oral (Rat)
• bp: 450 °C/1013 hPa
• mp: 195-198 °C
• transition temp: flash point 222 °C
• bulk density: 350 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C14H8O4/c15-9-5-6-10(16)12-11(9)13(17)7-3-1-2-4-8(7)14(12)18/h1-6,15-16H
• InChI key: GUEIZVNYDFNHJU-UHFFFAOYSA-N

Description

Application

1,4-Dihydroxyanthraquinone for synthesis. CAS 81-64-1, molar mass 240.21 g/mol.

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Melting range (lower value): ≥ 195 °C
Melting range (upper value): ≤ 198 °C
Identity (IR): passes test

Safety Information

• pictograms: GHS09
• signalword: Warning
• hcodes: H410
• pcodes: P273 - P391 - P501
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: 431.6 °F
• flash_point_c: 222 °C