Chloroauric acid, Promotion Season Now in Store and Free Sample for Testing with Factory Price
- Chemical Name: Chloroauric acid
- CAS No.:16903-35-8
- Molecular Fomula:AuCl4H
- Molecular weight:339.79
- Appearance:Yellow crystals
- Sample: Available
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Description of Chloroauric acid
auricacid is an inorganic compound with the chemical formula HAuCl 4. Both the trihydrate and tetrahydrate are known. It is an orange-yellow solid, a common precursor to other gold compounds and an intermediate in the purification of gold metal. Both the trihydrate and tetrahydrate are available commercially.
Basic Info of Chloroauric acid
Basic Info
Numbering system
Properties
Safety Info
Basic Info
|
Chemical Name |
Gold(III) chloride |
|
Synonyms |
Auric chloride Gold trichloride;auricacid; |
|
CAS No. |
16903-35-8 |
|
Molecular Formula |
AuCl4H |
|
Molecular Weight |
339.78600 |
|
PSA |
0.00000 |
|
LogP |
2.86800 |
Numbering system
|
MDL number |
MFCD00003436 |
|
PubChem number |
24845367 |
|
EINECS number |
240-948-4 |
|
RTECS number |
CK6330000 |
Properties
|
Appearance & Physical State |
yellow |
|
Density |
3.9 g/mL at 25ºC |
|
Melting Point |
30ºC |
|
Stability |
Stable. Hygroscopic. Light sensitive. Incompatible with strong bases, sulfides, cyanides, carbonates. |
|
Storage Condition |
2-8ºC |
Safety Info
|
RTECS |
CK6330000 |
|
Hazard Class |
8 |
|
Safety Statements |
S26-S36/37/39-S45 |
|
WGK Germany |
3 |
|
Packing Group |
III |
|
RIDADR |
UN 3260 |
|
Risk Statements |
R34; R43 |
|
Hazard Codes |
C |
What is Chloroauric acid?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is it which has developed particularly rapidly in recent years. Do you know about it?
The official answer: It is an acid with the chemical formula HAuCl4, generally present as HAuCl4-4H2O, golden yellow or yellow-red easily deliquescent crystals, easily soluble in water. It is produced by reacting aqua regia (a mixture of concentrated hydrochloric acid and concentrated nitric acid at a volume ratio of 3:1) with pure gold.
What’s the application of Chloroauric acid?
It is very corrosive and oxidizing. But tetrachloroauric acid is not stable, heating can be decomposed into HCl, AuCl3, and AuCl. for gold plating industry use, use with care. HAuCl4 can also be used for semiconductor and integrated circuit lead frame local gold plating, printed circuit boards, electronic connectors, and other electrical contact components of gold plating.
Conclusion
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