Chloroauricacid with CAS 16903-35-8

CAS No.:16903-35-8, 16903-35-8

MF:HAuCl4 4H2O

EINECS No.:240-948-4, 240-948-4
Model Number:HRYA Chloroauric acid 16903-35-8
Product name:Chloroauric acid
Color:yellow powder
Molecular weight:339.78649
Molecular Formula:HAuCl4 4H2O
CAS: 16903-35-8
MF: HAuCl4 4H2O
Purity: 99%
Chloroauricacid with CAS 16903-35-8
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what is of  Chloroauricacid with CAS 16903-35-8?
Chlorine acid 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.


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




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



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

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.


100g/bottle, 500g/bottle or requirement of clients. Keep it away from light at a temperature below 25℃



Chloroauricacid with CAS 16903-35-8
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