IdentificationCAS number
7440-57-5
Chemical Name:
Gold powder, 99.999%
Molecular Formula:
Au
Synonyms:
colloidalgold ; powdersafe 1790-01 ; cg 001 ; sg 10nk ; au np ; ph 870 ; agc micro ; tau 200 ; auw 101 ; c.i. 77480 ; gold 197 ; perfect gold ; e 175 ; ay 5022 ; gold leaf ; finesphere gold w 101 ; gold element ; glod ; npg-j ; finesphere gold w 011 ; g1402 ; a4953 ; aurous ; gold powder ; t 10112 ; ci77480 ; a 4631 ; goldn ; npg ; gold flake ; britecote ; gc ; gold ; au net ; furuuchi 8560 ; aue 003a ; gold black ; shell gold ; c.i. pigment metal 3 ; keradec ; au 050921 ; palegold 5550 ; tr 1306 ; powdersafe 1785-01 ; au 050316 ; au ; technic 504 ; alfa-aesar ; auric ; burnish gold
Product SpecificationsMolecular 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
Refractive index:
n
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
Safety InformationHazard Classes:
6.1
Hazard Symbols:
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
RTECS :
MD5420000
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.
SuppliersGlobal Gold powder, 99.999% Suppliers :
USA (1)
Former or previous providerThe following companies had been manufactured successfully in the past or were listed as
an excellent supplier in our directory.
ABCR GmbH & Co. KG ( D-76187 Karlsruhe Germany ) | Pfaltz & Bauer, Inc. ( Waterbury, CT 06708 USA ) | Salsbury Chemicals, Inc., ( Charies City, IA, 50616 USA )
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