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Eriochrome Black T CAS 1787-61-7 Mordant Black 11 14650 CIMordant Black 11 

Payment Terms: T/T,L/C,WU 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: According to the request of...
Brand Name: MOSINTER
Molecular formula: C20H12N3NaO7S
Density: 1.109 g/mL at 25 °C
Colour index (CI): 14645
Flashing point: 185 °C
Production Capacity: 150 Ton/Year
Delivery Date: within 7 days
CAS No.: 1787-61-7
Molecular weight: 461.38
Storage condition: Store at RT.
Soluble: 50 g/L (20 ºC)
Sensibility: Stable. Incompatible with s...

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

 Eriochrome Black T (CAS: 1787-61-7)

 

Item

Index

Appearance

Dark   brown powder

Density (g/ml)

1.109

Water solubility (g/l)

50

Flash point ℃

185

Eriochrome Black T is a complexometric indicator that is part of the complexometric titrations, e.g. in the water hardness determination process. It is an azo dye. Eriochrome is a trademark of Ciba-Geigy.

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

Applications

When used as an indicator in an EDTA titration, the characteristic blue end-point is reached when sufficient EDTA is added and the metal ions arechelated by EDTA, leaving the free indicator molecule.

Eriochrome Black T has also been used to detect the presence of rare earth metals.


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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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