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ChemicalBook >> CAS DataBase List >>Germanium

Germanium suppliers

Germanium

CAS:
7440-56-4
MF:
Ge
MW:
72.64

Properties

Melting point:
937 °C (lit.)
Boiling point:
2830 °C (lit.)
Density 
5.35 g/mL at 25 °C (lit.)
vapor pressure 
0Pa at 25℃
storage temp. 
Flammables area
solubility 
insoluble in H2O, dilute acid solutions, alkaline solutions
form 
powder
color 
Silver
Specific Gravity
5.35
Resistivity
53000 μΩ-cm, 20°C
Water Solubility 
insoluble H2O, HCl, dilute alkali hydroxides; attacked by aqua regia [MER06]
Crystal Structure
Cubic, Diamond Structure - Space Group Fd3m
Merck 
13,4419
Exposure limits
ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3)
Stability:
Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents.
LogP
4.14 at 20℃

Safety Information

Symbol(GHS) 
GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS08,GHS09
Signal word 
Danger
Hazard statements 
H228-H361-H373-H410
Precautionary statements 
P201-P202-P210-P240-P273-P308+P313
Hazard Codes 
F,Xi
Risk Statements 
36/37/38-36/38-11
Safety Statements 
26-36/39-2
RIDADR 
UN 3089 4.1/PG 2
WGK Germany 
3
RTECS 
LY5200000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28053090

Use

Germanium is used to manufacture rectifiers, transistors and weapons-sighting systems and used as a fluorescent material. Alloying agent. Germanium can also be used as a catalyst to produce plastics.

152 supplier list of "Germanium"

  • Product Name:TIANFU-CHEM CAS NO.7440-56-4 Germanium
  • Products Intro:Purity: 99% | Package: 25KG;5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA

$1.00/ 50g

  • Product Name:Germanium
  • Products Intro:Purity: 99.9% | Package: 50g;1USD
  • Company Type: Reagent
  • Country/Region: CHINA
  • Main Products: Nicotinamide riboside chloride,Curcumin,L(+)-Ascorbic acid,L-Glutamine,Stevioside Basic information
  • Product Name:Germanium
  • Products Intro:Purity: 0.98 | Package: 1kg,2kg,5kg,10kg,25kg
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: 2,7-ADA,2,4,6-Trichloroaniline,TRIMETHYLOXONIUM TETRAFLUOROBORATE,Zinc sulfide,5-HEXEN-1-OL
  • Product Name:Germanium atomic absorption standard solution
  • Company Type: Reagent
  • Country/Region: CHINA
  • Main Products: Gamma-butyrolactone
  • Product Name:Germanium
  • Products Intro:Purity: 99.00% | Package: 25kgs/Drum;200kgs/Drum | CustNote: ISO 9001:2015 REACH Approved Manufacturer
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Germanium powder
  • Products Intro:Purity: 0.99 | Package: 25KG;5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Germanium
  • Products Intro:Purity: 97%+ | Package: 5g, 25g, 100g, 500g, 1kg, 25kg
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Chemical reagent,Pharmaceutical intermediates,Catalyst
  • Product Name:Germanium
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Germanium Nanoprisms
  • Company Type: Reagent
  • Country/Region: UNITED STATES
  • Main Products: Active Pharmaceutical Ingredient (API),Insect Pheromone,Boronic Compounds,Material & Chemicals,Lipid Compounds
  • Product Name:Germanium
  • Products Intro:Package: 5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Povidone Iodine,Lenvatinib mesylate,1,2,3-Triacetyl-5-deoxy-D-ribose,Diethyl L-glutamate hydrochloride,Pregabalin
You can find Germanium suppliers, manufacturers, and distributors from countries such as China, United States and the United Kingdom here. Browse to the tetrahydrofuran product information displayed by the supplier, as well as the supplier's contact and capability information.

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