CAS No.:	1787-61-7	Other Names:	Chrome black T	MF:	C20H12N3NaO7S
EINECS No.:	217-250-3	Place of Origin:	Jiangsu China (Mainland)	Purity:	other
Classification:	Pigment Indicator	Brand Name:	Yonghua , Labor	Model Number:	Ind
Package:	25g

Specifications

Eriochrome black T
Palm black powder. Soluble in hot water, cooling into red brown after solution
C20H12N3NaO7S 461.38

Eriochrome black T

Ind Specification

Sensitivity test....................................................passes test

Ethanol dissolve test,%......................................passes test

Ignition residue (Sulfate(SO₄)),%.......................≤20.0

Solubility in water.................................................passes test

With the registered trademark of "Yonghua" and "labor", Jiangsu Yonghua Fine Chemical Co., Ltd. is a specialized manufacturer and trader of general chemical reagents, chromatographic reagents, standard reagents, ion pair reagents, standard solutions to titrate, biochemical reagents and pharmaceutical chemical materials. We were approved as "private hi-tech enterprise" of Jiangsu Province in 2006.

As an ISO9001:2000 quality management system and ISO14001:2004 environmental management system ... View detail

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Basic Information

	Product/Service (We Sell):	ethanol absolute,acetonitrile,silver nitrate
	Number of Employees:	101 - 200 People

Trade & Market

	Main Markets:	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
	Main Customers:	sigma-aldrich,klen internation
	Total Annual Sales Volume:	US$5 Million - US$10 Million
	Export Percentage:	21% - 30%

Factory Information

	Factory Size (Sq.meters):	10,000-30,000 square meters
	Factory Location:	hexiang road,zhitang town,changshu city,jiangsu
	Number of Production Lines:	4
	Number of R&D Staff:	Less than 5 People
	Number of QC Staff:	11 - 20 People
	Management Certification:	ISO 9001:2000 ISO 14001:2004 OHSAS 18001
	Contract Manufacturing:	OEM Service Offered

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