Black Brown Powder Eriochrome Black T CAS 1787-61-7 Biological Stains Chemical Indicators
Dark brown powder. Soluble in water, turning a deep reddish-brown to crimson color; slightly soluble in alcohol, turning a brownish-red color.
| Item | Value |
|---|---|
| Product Name | Eriochrome Black T |
| CAS | 217-250-3 |
| MF | C20H12N3NaO7S |
| MW | 461.38 |
| EINECS | 217-250-3 |
| Appearance | Black Brown Powder |
1. Primarily used for dyeing and printing wool textiles, it can also be used for dyeing silk, nylon, and other textiles, as well as for fur dyeing. The pure product can be used as an indicator.
2. Used as an indicator for determining water hardness, a metal complexation indicator, and for determining calcium, magnesium, barium, iron, manganese, lead, scandium, strontium, zinc, and zirconium.
A: Yes, sample order is available for quality check and market test. But you have to pay the sample cost and express cost.
A: Yes, ODM & OEM are welcomed.
A: According to the order quantity, small order usually need 3-5 days, big order need negotiation.
A: We supply 12 months warranty time.
A: We receive Escrow, T/T, West Union, Cash and etc.
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