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Merck
CN

195251

Direct Red 81

Dye content 50 %

别名:

7-苯甲酰胺基-4-羟基-3-\ [ [4-[（4-磺酸苯基）偶氮] 苯基] 偶氮] 萘-2-磺酸二钠, DR 81

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关于此项目

经验公式（希尔记法）:
C29H19N5Na2O8S2
化学文摘社编号:
2610-11-9
分子量:
675.60
PubChem Substance ID:
24851682
UNSPSC Code:
12171500
Colour Index Number:
28160
NACRES:
NA.47
EC Number:
220-028-9
MDL number:
MFCD00003949

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产品名称

Direct Red 81, Dye content 50 %

InChI key

UFUQRRYHIHJMPB-UHFFFAOYSA-L

InChI

1S/C29H21N5O8S2.2Na/c35-28-25-15-12-23(30-29(36)18-4-2-1-3-5-18)16-19(25)17-26(44(40,41)42)27(28)34-33-21-8-6-20(7-9-21)31-32-22-10-13-24(14-11-22)43(37,38)39;;/h1-17,35H,(H,30,36)(H,37,38,39)(H,40,41,42);;/q;2*+1/p-2

SMILES string

[Na+].[Na+].Oc1c(N=Nc2ccc(cc2)N=Nc3ccc(cc3)S([O-])(=O)=O)c(cc4cc(NC(=O)c5ccccc5)ccc14)S([O-])(=O)=O

form

powder

composition

Dye content, 50%

technique(s)

microbe id | staining: suitable

mp

240 °C (dec.) (lit.)

solubility

H2O: 0.1%, dark red

λmax

397 nm
508 nm (2nd)

ε (extinction coefficient)

≥12000 at 272-278 nm in H2O at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

100

相关类别

Biochem/physiol Actions

细菌菌群 NBNJ6 能够对直接红 81 (DR81) 进行脱色。

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBR6740
SHBQ5471
SHBQ1961
SHBN3053
SHBM8407

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The aim of the present study was to examine the suitability of sirius red staining for selective light microscopic demonstration of eosinophil granulocytes in cervical tissue of mares, cows and sheep. For this purpose, tissue was fixed in 4% neutral
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