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Merck

P3504

Ponceau S

Powder

동의어(들):

3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt

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제품정보 (DICE 배송 시 비용 별도)

실험식(Hill 표기법):
C22H12N4Na4O13S4
CAS 번호:
Molecular Weight:
760.57
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
228-319-2
MDL number:
Colour Index Number:
27195
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제품 이름

Ponceau S, BioReagent, suitable for electrophoresis

InChI key

KQHKSGRIBYJYFX-WNDMICSESA-J

InChI

1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2S([O-])(=O)=O)\N=N\c3ccc(cc3)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O

product line

BioReagent

form

powder

technique(s)

electrophoresis: suitable

color

red to very dark red

solubility

H2O: 1 mg/mL

ε (extinction coefficient)

≥330000 at 518-522 nm in deionized water at 0.015 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

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Application

Ponceau S has been used for membrane staining (Western blotting.

General description

Ponceau S is the sodium salt of a diazo dye. It is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The stain is reversed with water washes and aids in subsequent immunological detection.
The following are two common stain formulations:
0.1% Ponceau S (w/v) in 5% acetic acid
2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid

저장 등급

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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시험 성적서(COA)

Lot/Batch Number

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