chloroauric acid CAS 16903-35-8

CAS: 16903-35-8
Molecular Formula: HAuCl4 4H2O
Molecular Weight: 339.78649
EINECS: 240-948-4

Synonym: Hydrogentetrachloroaurate(III)solution,Au4044wt.%;auricacid; tetrachloroauric; tetrachloroauric(iii)acidhydrate(51%au); TETRACChemicalbookHLOROAURICACID;Aurate(1-),tetrachloro-,hydrogen(1:1),(SP-4-1)-; Gold(III)chloridesolution,98%,Au47.8%; GOLDTRICHLORIDEACIDBROWN

What is chloroauric acid CAS 16903-35-8?

chloroauric acid CAS 16903-35-8 is mainly used for alkaloid determination, electroplating gold, photography, gold powder, porcelain coloring, red glass manufacturing, special ink and treatment of tuberculosis. It can also be used as analytical reagent, such as microanalysis of rubidium (Rb) and cesium (Cs). It is used for semiconductor, electronic connector and local gold-plated of integrated circuit lead frame, also for printing circuit boards.

Specification

Product Name:	Chloroauric acid	Batch No.	JL20221016
Cas	16903-35-8	MF Date	Oct.16,2022
Packing	500g/bottle	Analysis Date	Oct.16,2022
Quantity	10kg	Expiry Date	Oct.15,2024
ITEM	STANDARD		RESULT
Appearance	Golden yellow acicular crystallization		Conform
Properties	Hygroscopic , Soluble in water, alcohol, ether, slightly soluble in chloroform, corrosive, thermal decomposition，back spots in the light		Conform
Inductively Coupled Plasma/Elemental Analyzer	Pd ＜0.0050		0.0019
	Ru ＜0.0050		0.0020
	Pt ＜0.0050		0.0017
	Ag ＜0.0050		0.0015
	Al ＜0.0050		0.0019
	Fe ＜0.0050		0.0011
	Mg ＜0.0050		0.0014
	Si ＜0.0050		0.0011
	Cu ＜0.0050		0.0013
	Cr ＜0.0050		0.0010
	Zn ＜0.0050		0.0011
	Pb ＜0.0005		N.D.
Au content	≥49.00%		50.02%
Purity	≥99.90%		99.95%
Conclusion	Qualified

Application

1.chloroauric acid CAS 16903-35-8 used for partial gold plating of semiconductor and integrated circuit lead frame, printed circuit board and electronic connector
2.Chloroauric acid mainly used for gold plating, special ink, medicine, porcelain gold and red glass, as well as raw materials for making various gold compounds, photography and chemical reagents.
3.Chloroauric acid used to prepare stable nanometer sized and undifferentiated colloidal gold particles in solution form.

chloroauric acid CAS 16903-35-8-application