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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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Journal of clinical gastroenterology, 36(2), 120-125 (2003-01-25)
Eosinophil accumulation and activation are characteristic features of inflammation in allergic diseases and in host defense against parasites. To investigate the involvement of eosinophils in inflamed and noninflamed mucosa of patients with inflammatory bowel disease (IBD). Specimens of inflamed colonic
Decolorization of diazo dye Direct Red 81 by a novel bacterial consortium
Junnarkar N
World Journal of Microbiology & Biotechnology, 22:2, 163-168 (2006)
H-S Wu et al.
Journal of microscopy, 231(Pt 1), 70-80 (2008-07-22)
Quantitation of connective tissue versus parenchymal tissue compartments is important in assessment of fibrosis (scarring) and its progression in liver disease. This paper presents a two-step algorithm for quantifying fibrosis in liver biopsies stained with Sirius red. With this staining
F Joubert et al.
Proteins, 45(2), 136-143 (2001-09-20)
The crystal structure of malaria triosephosphate isomerase (TIM) was screened against the National Cancer Institute database of three-dimensional molecular structures. Ten top-scoring commercially available compounds were analyzed for inhibition of recombinant TIM. Two anionic dyes showed inhibition of TIM at
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