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Merck
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主要文件

1.05225

Supelco

Cresol red

pH indicator, Reag. Ph Eur

别名:

Cresol red, o-Cresolsulfonphthalein

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About This Item

经验公式（希尔记法）:
C21H18O5S
CAS号:
1733-12-6
分子量:
382.43
MDL编号:
MFCD00005878
UNSPSC代码:
12171502
EC索引号:
217-064-2
NACRES:
NA.21

产品名称

Cresol red, indicator Reag. Ph Eur

Agency

reag. Ph. Eur.

质量水平

200

表单

solid

缺失

≤5% loss on drying, 110°C

visual transition interval

0.5-2.5, pink to brownish-yellow(1st transition range)
6.5-8.5, yellow to purple(2nd transition range)

mp

290 °C (decomposes)

堆积密度

600‑620 kg/m3

储存温度

2-30°C

SMILES字符串

[S]1(=O)(=O)OC(c4c1cccc4)(c3cc(c(cc3)O)C)c2cc(c(cc2)O)C

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

相关类别

应用


  • Description of lipase producing novel yeast species Debaryomyces apis f.a., sp. nov. and a modified pH indicator dye-based method for the screening of lipase producing microorganisms.: This study introduces a novel yeast species, Debaryomyces apis, capable of producing lipase, and a new method utilizing Cresol Red as a pH indicator dye for screening lipase-producing microorganisms (Kumari et al., 2023).

  • Application of colorimetric sensor in monitoring dissolved CO2 in natural waters.: This research discusses the use of a colorimetric sensor, which incorporates Cresol Red, for monitoring dissolved carbon dioxide in natural water sources, providing a method for environmental monitoring and analysis (Lee et al., 2022).

  • Polymer Film Blend of Polyvinyl Alcohol, Trichloroethylene and Cresol Red for Gamma Radiation Dosimetry.: This article presents a polymer film blend incorporating Cresol Red for gamma radiation dosimetry, highlighting its application in monitoring radiation exposure (Doyan et al., 2021).

  • Highly efficient colorimetric CO2 sensors for monitoring CO2 leakage from carbon capture and storage sites.: The study involves the development of highly efficient colorimetric sensors using Cresol Red for detecting CO2 leaks, critical for ensuring safety in carbon capture and storage operations (Ko et al., 2020).



分析说明

1st transition range: pH 0.5 - pH 2.5pink - brownish yellow
2nd transition range: pH 6.5 - pH 8.5yellow - purple
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 5
Sensitivity test: passes test

储存分类代码

11 - Combustible Solids

WGK

WGK 3

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