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28983-56-4

Name Acid Blue 93
CAS 28983-56-4
EINECS(EC#) 249-352-9
Molecular Formula C37H27N3Na2O9S3
MDL Number MFCD00058509
Molecular Weight 799.8
MOL File 28983-56-4.mol
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Chemical Properties

Appearance brown crystalline solid
Melting point  >250℃
Boiling point  1380℃[at 101 325 Pa]
density  1.49[at 20℃]
vapor pressure  0Pa at 25℃
storage temp.  Store at RT.
solubility  70g/l
Colour Index  42780
form  powder
color  Red to Brown
Odor Odorless
PH 5.0 (10g/l, H2O, 20℃)
PH Range 11.0(BLUE)-13.0(RED)
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  Soluble in water
λmax 600 nm
Merck  13,6055
Biological Applications Assay for nucleic acids,protein determination,identification of Candida albicans; method for counting leukocytes,controlled drug release; radiotherapy; treating apolipoprotein E-related diseases; oral care products
LogP -3.75 at 25℃
CAS DataBase Reference 28983-56-4(CAS DataBase Reference)
EPA Substance Registry System C.I. Acid Blue 93 (28983-56-4)
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Safety Data

Hazard Codes  Xn
Risk Statements 
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
RTECS  DB5044700
TSCA  Yes
HS Code  29350090
Toxicity
LD50 orally in Rabbit: > 5000 mg/kg

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