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Merck
CN

P3504

Ponceau S

Powder

别名:

3-羟基-4-(2-磺基-4-[4-磺基苯偶氮]苯偶氮)-2,7-萘二磺酸 钠盐

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关于此项目

经验公式(希尔记法):
C22H12N4Na4O13S4
化学文摘社编号:
分子量:
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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产品名称

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已用于对膜进行染色(蛋白质印迹)。

General description

Ponceau S是一种重氮染料的钠盐。它可用于制备染色剂,可用于硝酸纤维素膜或PVDF膜(蛋白质印迹)上蛋白质条带的快速可逆染色,也可用于在醋酸纤维素膜上对蛋白进行染色。可通过水洗涤逆转染色过程,其有助于随后的免疫学检测。
以下是两种常见的染色配方:
溶于5%乙酸中的0.1%Ponceau S(w/v)
溶于30%TCA和30%磺基水杨酸中2%Ponceau S(w/v)

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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