861324
p-Rosolic acid
Powder
Synonym(s):
4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin
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About This Item
Empirical Formula (Hill Notation):
C19H14O3
CAS Number:
Molecular Weight:
290.31
EC Number:
210-041-8
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
43800
Beilstein/REAXYS Number:
2055205
Form:
powder
form
powder
Quality Segment
composition
Powder
technique(s)
titration: suitable
pH
5.0-6.8, yellow to pink
cation traces
C: 66.0-90.8%
λmax
482 nm
ε (extinction coefficient)
≥11000 at 264-270 nm in ethanol, ≥50000 at 478-486 nm in ethanol
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
O=C(C=C1)C=CC1=C(C2=CC=C(O)C=C2)C3=CC=C(O)C=C3
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
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.
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).
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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