Your Location：Home >Products >Fine Chemicals >81-64-1
Appearance:red-brown powder
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
1,4-Dihydroxyanthraquinone Chemical Properties
Melting point 195-200 °C
Boiling point 450 °C
density 1.3032 (rough estimate)
vapor density 8.3 (vs air)
vapor pressure 1 mm Hg ( 196.7 °C)
refractive index 1.5430 (estimate)
Fp 222 °C
storage temp. Store below +30°C.
solubility <1g/l
form powder
pka pK (18°) 9.51
Colour Index 58050
color red-brown
Water Solubility <1 g/L (20 ºC)
Merck 14,8064
BRN 1914036
InChIKey GUEIZVNYDFNHJU-UHFFFAOYSA-N
CAS DataBase Reference 81-64-1(CAS DataBase Reference)
NIST Chemistry Reference 9,10-Anthracenedione, 1,4-dihydroxy-(81-64-1)
EPA Substance Registry System Quinizarin (81-64-1)
Safety Information
Hazard Codes Xi,N
Risk Statements 36/37/38-43-50/53
Safety Statements 22-24/25-36/37-26-61-60
RIDADR UN 3077 9 / PGIII
WGK Germany 2
RTECS CB6600000
TSCA Yes
HS Code 2914 69 80
PackingGroup III
Hazardous Substances Data 81-64-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 5000 mg/kg
CAS：885523-08-0
CAS：517920-73-9
CAS：211244-81-4
CAS：53746-45-5
