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p-Rosolic acid

ALDRICH/861324 - Dye content 84 %

Synonym: 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone; Aurin

CAS Number: 603-45-2
Empirical Formula (Hill Notation): C19H14O3
Molecular Weight: 290.31
EC Number: 210-041-8
MDL Number: MFCD00001624
Linear Formula: C19H14O3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-861324-25G 25 g
 $134.00
1/EA		 Add To Favorites
45-861324-100G 100 g
 $463.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 861324-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 861324-25G

 

ε (extinction coefficient) ≥11000 at 264-270 nm in ethanol
  ≥50000 at 478-486 nm in ethanol
λmax 482 nm
application(s) diagnostic assay manufacturing
hematology
histology
cation traces C: 66.0-90.8%
composition Dye content, 84%
form powder
InChI 1S/C19H14O3/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15/h1-12,20-21H
InChI key FYEHYMARPSSOBO-UHFFFAOYSA-N
pH 5.0-6.8, yellow to pink
Quality Level 200 
SMILES string O=C(C=C1)C=CC1=C(C2=CC=C(O)C=C2)C3=CC=C(O)C=C3
storage temp. room temp
technique(s) titration: suitable
Application: p-Rosolic acid has been used to induce cellular stress in HEK293 cells.
Biochem/physiol Actions: The transition range of p-Rosolic acid is around pH 6.6-8.0 (Below this pH range it is yellow and above it red).
General description: p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.
Packaging: 25, 100 g in glass bottle
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Storage Temp. room temp
Colour Index Number 43800
UNSPSC 12171500

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