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Gold high purity

search CAS: 7440-57-5 Element: purity high Gold

Identification

CAS number
7440-57-5
Chemical Name:
Gold high purity
Molecular Formula:
Au
Synonyms:
tau 200 ; gc ; e 175 ; powdersafe 1790-01 ; gold element ; finesphere gold w 101 ; au net ; perfect gold ; npg-j ; a4953 ; gold powder ; gold black ; goldn ; ci77480 ; a 4631 ; gold flake ; npg ; keradec ; au 050921 ; shell gold ; ay 5022 ; powdersafe 1785-01 ; glod ; au ; finesphere gold w 011 ; britecote ; au np ; technic 504 ; au 050316 ; furuuchi 8560 ; g1402 ; tr 1306 ; alfa-aesar ; agc micro ; auw 101 ; c.i. pigment metal 3 ; gold ; burnish gold ; gold leaf ; gold 197 ; sg 10nk ; ph 870 ; palegold 5550 ; t 10112 ; aurous ; cg 001 ; aue 003a ; auric ; c.i. 77480 ; colloidalgold

Product Specifications

Molecular Weight:
196.9666 g·mol−1
Density:
19.3 g/mL at 25 °C(lit.)
Melting point:
1063 °C(lit.)
Boiling point:
2808 °C(lit.)
Flash point:
4 °C
Solubility:
zero Stability Stable. May react with halogens, strong oxidizing agents, ammonia,hydrogen peroxide.Reaction with ammonia or hydrogen peroxide may form explosive materials.Toxicology Tumorigenic and reproductive ef
Physical Description:
orange-yellow - brown-yellow powder
Transport Information:
UN 1789 8

Safety Information

Hazard Classes:
6.1
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
36/38-43-67-65-63-48/20-38-11-34-23-52/53 (R)
Safety Codes:
26-36/37/39-45-62-36/37-61-23 (S)
WGK Germany :
3
RID / ADR :
UN 1789 8 / PG 3
Storage temperature :
2-8°C
Occurrence:
South Africa, the former U.S.S.R., northwest Canada, U.S. (South Dakota, Nevada, Utah, Alaska, California), Australia. Oceans are estimated to contain 70 million tons in solution, with 10 billion additional tons on the ocean floor. There is no present economical method of exploiting these resources.
Type of Occurrence:
Ingots; sheet; wire; tubing; powder; leaf; alloys with copper or other metals, the gold content being expressed in carats (the number of parts of gold in 24 parts of alloy). Single crystals and aqueous colloidal suspensions. Leaf may be made in near-colloidal thickness; one troy ounce covers 68 sq ft at 0.0001 inch thickness.

Suppliers

Global Gold high purity Suppliers : U.K. (1)
SupplierPhoneFaxCountryInquiry
Order
Johnson Matthey Plc +44-1763-253 000 +44-1763-253 492 U.K. Get price
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