gold powder, 7440-57-5

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CODE124878 CODE124878
Product(s):
7440-57-5 Gold, powder, -60 Mesh 95%

Name:	gold
CAS Number:	7440-57-5	3D/inchi
Other(deleted CASRN):	1093282-27-9
ECHA EINECS - REACH Pre-Reg:	231-165-9
FDA UNII:	79Y1949PYO
MDL:	MFCD00003436
Molecular Weight:	196.96656900
Formula:	Au
NMR Predictor:	Predict (works with chrome, Edge or firefox)

Category:coloring agents (for surface only)

US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:

Google Scholar:	Search
Google Books:	Search
Google Scholar: with word "volatile"	Search
Google Scholar: with word "flavor"	Search
Google Scholar: with word "odor"	Search
Google Patents:	Search
US Patents:	Search
EU Patents:	Search
Pubchem Patents:	Search
PubMed:	Search
NCBI:	Search
	FDA/DG SANTE Petitions, Reviews, Notices:
EU SANCO	Gold View - review
DG SANTE Food Additives:	gold powder

Physical Properties:

Assay:	95.00 to 100.00
Food Chemicals Codex Listed:	No
Melting Point:	1064.76 °C. @ 760.00 mm Hg (est)
Boiling Point:	2700.00 °C. @ 760.00 mm Hg (est)
Flash Point:	32.00 °F. TCC ( 0.00 °C. ) (est)

Organoleptic Properties:

Odor and/or flavor descriptions from others (if found).

Cosmetic Information:

CosIng:	cosmetic data2
CosIng:	cosmetic data
Cosmetic Uses:	cosmetic colorants

Suppliers:

BOC Sciences

For experimental / research use only.

Gold, powder, -60 Mesh 95%

Sigma-Aldrich: Aldrich

For experimental / research use only.

Gold Powder nanopowder, <100 nm particle size, 99.9% trace metals basis

sds

Safety Information:

Preferred SDS: View

Hazards identification

Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements

Pictogram

Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intravenous-rat LDLo 58 mg/kg LUNGS, THORAX, OR RESPIRATION: DYSPNEA LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA Zeitschrift fuer Krebsforschung. Vol. 63, Pg. 586, 1960.
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in Use Information:

Category:
coloring agents (for surface only)
Recommendation for gold powder usage levels up to:
	not for fragrance use.

Recommendation for gold powder flavor usage levels up to:
	not for flavor use.

Safety References:

European Food Safety Authority (EFSA) reference(s):

Scientific Opinion on the re-evaluation of gold (E 175) as a food additive
View page or View pdf

EPI System: View

Daily Med:search

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (TSCA):7440-57-5

EPA ACToR:Toxicology Data

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :23985

National Institute of Allergy and Infectious Diseases:Data

WGK Germany:nwg

gold

Chemidplus:0007440575

RTECS:MD5070000 for cas# 7440-57-5

References:

	gold
NIST Chemistry WebBook:	Search Inchi
Canada Domestic Sub. List:	7440-57-5
Pubchem (cid):	23985
Pubchem (sid):	134988669

Other Information:

(IUPAC):	Atomic Weights of the Elements 2011 (pdf)
Videos:	The Periodic Table of Videos
tgsc:	Atomic Weights use for this web site
(IUPAC):	Periodic Table of the Elements
CHEBI:	View
HMDB (The Human Metabolome Database):	HMDB04138
Export Tariff Code:	7108.11.0000
FDA Color Additive Status List	View
MedlinePlusSupp:	View
ChemSpider:	View
Formulations/Preparations: ingots, sheet, wire, tubing, powder, leaf; alloys with copper or other metals, gold content being expressed in carats (number of parts of gold in 24 parts of alloy). single crystals & aq colloidal suspensions. leaf may be made in near-colloidal thickness; 1 troy oz covers 68 sq ft (0.0001 inch).

Potential Blenders and core components note

None Found

Potential Uses:

cosmetic colorants

Occurrence (nature, food, other):note

not found in nature

Synonyms:

	aurum powder
	c.i. 77480
	C.I. pigment metal 3
	ci 77480
	CI pigment metal 3

Articles:

PubMed:The important role of hydroxyl on oxidation catalysis by gold nanoparticles.

PubMed:Phosphide oxides RE2AuP2O (RE = La, Ce, Pr, Nd): synthesis, structure, chemical bonding, magnetism, and 31P and 139La solid state NMR.

PubMed:Gold oxidative dissolution by (thioamide)-I2 adducts.

PubMed:Gold(II) phthalocyanine revisited: synthesis and spectroscopic properties of gold(III) phthalocyanine and an unprecedented ring-contracted phthalocyanine analogue.

PubMed:Vaccines for preventing rotavirus diarrhoea: vaccines in use.

PubMed:Evaluation of the radiopacity of calcium silicate cements containing different radiopacifiers.

PubMed:Catalytic reactions of carbene precursors on bulk gold metal.

PubMed:Non-nanogold catalyzed aerobic oxidation of secondary amines to imines.

PubMed:Achieving natural-looking morphology and surface textures in anterior ceramic fixed rehabilitations.

PubMed:Nonhydrostatic compression of gold powder to 60 GPa in a diamond anvil cell: estimation of compressive strength from x-ray diffraction data.

PubMed:Contact angles of colloid silica and gold particles at air-water and oil-water interfaces determined with the gel trapping technique.

PubMed:Sol-gel-derived gold composite electrodes.

PubMed:E-Z Gold: the new Goldent.

PubMed:Procedure for a simplified collarless metal-ceramic restoration using gold powder.

Notes:

a yellow metallic element with the atomic symbol au, atomic number 79, and atomic weight 197. it is used in jewelry, goldplating of other metals, as currency, and in dental restoration. many of its clinical applications, such as antirheumatic agents, are in the form of its salts.