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Cresol Purple

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产品编号

Category

Synonyms:

m-Cresol Purple

CAS No.:

2303-01-7

数量

-

+

库存:

0



1

keyword:

Cresol Purple

Description

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Chemical Name	Cresol Purple
Another name	m-Cresol Purple
CAS No.	2303-01-7
Molecular formula	C₂₁H₁₈O₅S
EINECS No.	218-960-6
Molecular weight	382.43
Molecular Structure
Details	Appearance: Tiny brown crystal powder pH change range: 1.2(pink)~2.8(yellow); 7.4(brownish yellow)~9.0(purple). Max Absorption wavelength(nm): λ1（PH1.2） 526-529; λ2（PH2.8） 431-437; λ3（PH7.4） 431-437; λ4（PH9.0） 576-580. Mass absorption coefficient L/(cm·g) α（λ1，PH1.2, Dry sample） 80-94; α（λ2，PH2.8, Dry sample） 40-46; α（λ3, PH7.4, Dry sample） 39-45; α（λ4，PH9.0, Dry sample） 75-86. Solubility in Ethanol: Pass Loss on drying: 1.0% max.
Main Application	A sulfonylurea indicator, used as pH indicator.