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文件

114472

Sigma-Aldrich

甲酚红

indicator grade, Dye content 95 %

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别名:
邻甲酚磺酰酞
经验公式（希尔记法）:
C21H18O5S
CAS号:
1733-12-6
分子量:
382.43
Beilstein:
343399
EC 号:
217-064-2
MDL编号:
MFCD00005878
PubChem化学物质编号:
24847173

等级

indicator grade

质量水平

200

形式

powder or crystals

组成

Dye content, 95%

technique(s)

titration: suitable

颜色

red-brown

pH值（酸碱度）

7.2-8.8, yellow to red

useful pH range

1.8-2.0, orange to yellow(acid)
7.0-8.8, yellow to violet(alkaline)

mp

290 °C

密度

0.998 g/cm3

λmax

367 nm (2nd)
570 nm

application(s)

diagnostic assay manufacturing
hematology
histology

储存温度

room temp

SMILES string

Cc1cc(ccc1O)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)c(C)c4

InChI

1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3

InChI key

OBRMNDMBJQTZHV-UHFFFAOYSA-N

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相关类别

一般描述

甲酚红(Cresol Red)，又名邻甲酚红，属于酞和磺酞类染料。在pH 0.2-1.8之间，甲酚红由橙色变为黄色，在pH 7.0-8.8之间，由黄色变为紫色。在碱性溶液中，甲酚红为亲水性双阴离子。双阴离子形式为小分子，呈紫色，具有比黄色羟醌形式更大的共轭结构。

应用

甲酚红广泛用作pH指示剂，用于微生物培养基等的日常pH监测。此外，甲酚红也适合用作PCR反应体系的试剂组分。甲酚红还可用作DNA、RNA（琼脂糖）和蛋白（聚丙烯酰胺）凝胶电泳的示踪染料。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

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Atsushi Seki et al.
Analytica chimica acta, 582(1), 154-157 (2007-03-28)
Novel spectroscopic sensor based on a hetero-core structured fiber optic is described in this paper. The hetero-core structured fiber optic consists of multi mode fibers and a short piece of single mode fiber which was inserted in the multi mode
Paula C A Jerónimo et al.
The Analyst, 130(8), 1190-1197 (2005-07-16)
An optical biosensor based on immobilised carbonic anhydrase and its application to the determination of the anti-glaucoma agent acetazolamide by enzyme inhibition measurements, is described. The enzyme and a pH indicator dye, cresol red, were physically immobilised in overlapped sol-gel
R Schubert
Zentralblatt fur Bakteriologie, Mikrobiologie und Hygiene. Serie B, Umwelthygiene, Krankenhaushygiene, Arbeitshygiene, praventive Medizin, 187(3), 266-268 (1989-02-01)
A new medium is described for the isolation of P. aeruginosa organisms which have been damaged by chlorination. This medium utilises the fact that with arginine. P. aeruginosa produces a strongly alkaline reaction resulting in an easily identified colour change
Maurizio Caselli et al.
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The pKa of 3',3",5',5"tetrabromo-m-cresolsulfonephtalein (Bromocresol Green) and o-cresolsulphonephtalein (Cresol Red) was spectrophotometrically measured in a water/AOT/isooctane microemulsion in the presence of a series of buffers carrying different charges at different water/surfactant ratios. Extended Principal Component Analysis was used for a
H S Van Walraven et al.
European journal of biochemistry, 144(3), 555-561 (1984-11-02)
ATP hydrolysis-induced proton translocation and electric potential generation have been studied in ATPase proteoliposomes by means of various optical probes. The proteoliposomes consisted of reconstituted ATPase complex and native lipid mixture isolated from the thermophilic cyanobacterium Synechococcus 6716 [Van Walraven
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