Chloroauric Acid Cas 16903-35-8 With 99% Purity

CAS: 16903-35-8

Molecular Formula: AuCl4H

Molecular Weight: 339.79

EINECS: 240-948-4

Synonyms: Hydrogentetrachloroaurate(III)solution, Au40-44wt.%; auricacid; tetrachloroauric; tetrachloroauric(iii)acidhydrate(51%au); TETRACHLOROAURICACID; Aurate(1-),tetrachloro-,hydrogen(1:1),(SP-4-1)-; Gold(III)chloridesolution,98%, Au47.8%; GOLDTRICHLORIDEACIDBROWN

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What is Chloroauric Acid Cas 16903-35-8?

Chloric acid is also called "gold chloride" and "gold chloride tetrahydrate". The chemical formula is HAuCl4 · 4H2O. The molecular weight is 411.85. Yellow needle shaped crystals. Poisonous! Corrosive. Easily soluble in water, soluble in ethanol, ether, slightly soluble in chloroform.

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.Used for partial gold plating of semiconductor and integrated circuit lead frame, printed circuit board and electronic connector
2.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.Used to prepare stable nanometer sized and undifferentiated colloidal gold particles in solution form.