Eriochrome Black T (C.I. 14645)

Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. in the water hardness determination process.

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Last Updated 16 Feb 2023

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It is an azo dye. ... In its deprotonated form, Eriochrome Black T is blue. It turns red when it forms a complex with calcium, magnesium, or other metal ions.

This is an indicator of complexometry. Causes serious eye irritation. Toxic to aquatic life with long-lasting effects. Avoid release to the environment. Suitable for laboratory use only.

Weight	0.25kg
Product Title	Eriochrome Black T (C.I. 14645)
Product Code	1.03170.0025
CAS number	1787-61-7
EC number	217-250-3
Grade	ACS,Reag. Ph Eur
Hill Formula	C₂₀H₁₂N₃NaO₇S
Molar Mass	461.38 g/mol
HS Code	3212 90 00

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