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Merck
CN

857890

Sigma-Aldrich

间甲酚紫

indicator grade, Dye content 90 %

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别名:
间甲酚磺酞
经验公式(希尔记法):
C21H18O5S
CAS号:
分子量:
382.43
Beilstein:
350314
EC 号:
MDL编号:
UNSPSC代码:
12171500
PubChem化学物质编号:
NACRES:
NA.47

等级

indicator grade

质量水平

形式

powder

组成

Dye content, 90%

技术

titration: suitable

有效pH范围

1.2-2.8, red to yellow(acid)
7.4-9.0, yellow to violet(alkaline)

ε (消光系数)

≥ 11000 at 295-301 nm at 0.01 g/L (0.01 G/L in 0.005 N NAOH in Methanol)
≥26000 at 578-584 nm at 0.01 g/L (in 0.005 N NAOH in Methanol)
≥8000 at 369-375 nm at 0.01 g/L (in 0.005 N NAOH in Methanol)

应用

diagnostic assay manufacturing
hematology
histology

储存温度

room temp

SMILES字符串

Cc1cc(O)ccc1\C(=C2/C=CC(=O)C=C2C)c3ccccc3S(O)(=O)=O

InChI

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

InChI key

OLQIKGSZDTXODA-UHFFFAOYSA-N

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一般描述

间甲酚紫是一种磺酞染料。它也被称间甲酚磺酰酞。

应用

间甲酚紫用于通过分光光度计测量 pH 值。

生化/生理作用

间甲酚紫是一种 pH 指示剂。从红色 (pH 1.2) 变为黄色 (2.8),从黄色 (7.4) 变为紫色 (9.0)。

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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