SKU:
GRM1053
CAS Number : 603-45-2
Synonym : Aurin; Corallin
Molecular Formula : C₁₉H₁₄O₃
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Aurin is soluble in strong acids to form yellow solution, or in aqueous alkalis to form carmine red solutions.
CAS Number : 603-45-2
Synonym : Aurin; Corallin
Molecular Formula : C₁₉H₁₄O₃


Product Identifier

CAS No. 603-45-2
EC No. 210-041-8
C.I. No. 43800
Molecular Formula C19H14O3
Molecular Weight 290.31
Synonym Aurin; Corallin
HS Code 2914 50 00
Storage Below 30°C
Shelf life 4 years

Technical Specification

Appearance Red to maroon crystals or powder or solid
Solubility 20 ppm in acidified ethanol yields clear solution
Visual pH Transition pH 6.6 (yellow-orange) - pH 8.0 (pink-red)
Absorption maxima 477 - 487 nm (20 ppm in acidified ethanol)
Loss on drying (at 110°C, 1 hr) <= 10.0%

Safety Information

Hazard Pictogram(s) Hazard Pictogram Exclamation Mark
Signal Word Warning
Hazard Statement(s) H315-H319-H335
Precautionary Statement(s) P261-P280-P312-P403+P233-P501
UN No. Not dangerous goods
Class -
Packing Group -
WGK 1
CAS Number : 603-45-2
Synonym : Aurin; Corallin
Molecular Formula : C₁₉H₁₄O₃
More Information
Product Name Aurin
SKU GRM1053
CAS No 603-45-2
EC No. 210-041-8
Molecular formula C₁₉H₁₄O₃
Synonym Aurin; Corallin
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