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Merck
CN

195251

Sigma-Aldrich

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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About This Item

经验公式(希尔记法):
C29H19N5Na2O8S2
CAS号:
分子量:
675.60
颜色索引号:
28160
EC 号:
MDL编号:
UNSPSC代码:
12171500
PubChem化学物质编号:
NACRES:
NA.47

表单

powder

质量水平

组成

Dye content, 50%

技术

microbe id | staining: suitable

mp

240 °C (dec.) (lit.)

溶解性

H2O: 0.1%, dark red

λmax

397 nm
508 nm (2nd)

ε (消光系数)

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

应用

diagnostic assay manufacturing
hematology
histology

储存温度

room temp

SMILES字符串

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

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

InChI key

UFUQRRYHIHJMPB-UHFFFAOYSA-L

生化/生理作用

细菌菌群 NBNJ6 能够对直接红 81 (DR81) 进行脱色。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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分析证书(COA)

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A Wehrend et al.
Anatomia, histologia, embryologia, 33(3), 180-182 (2004-05-18)
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
J Palus et al.
International journal of occupational medicine and environmental health, 8(2), 123-130 (1995-01-01)
The genotoxic activity of the benzeneamine-derived azo dyes, Disperse Red 54 (DR 54), Direct Red 81 (DR 81) and Direct Black 19:1 (DB 19:1) was studied in the in vitro DNA repair assay in primary rat hepatocyte cultures. Hepatocytes were
Seiichi Yamano et al.
Clinical oral implants research, 22(8), 815-819 (2011-01-05)
The purpose of the present study was to investigate the early peri-implant soft tissue healing on different titanium surface topographies. Titanium implants with smooth or rough surfaces were placed in the extraction site at 1 month after the maxillary first
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
Decolorization of diazo dye Direct Red 81 by a novel bacterial consortium
Junnarkar N
World Journal of Microbiology & Biotechnology, 22:2, 163-168 (2006)

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