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ChemicalBook >> CAS DataBase List >>KRYPTON

KRYPTON suppliers

KRYPTON

CAS:
7439-90-9
MF:
Kr
MW:
83.8

Properties

Melting point:
-157℃
Boiling point:
bp -153.35°
Density 
908 kg/m3; d0 (101.3 kPa) 3.7493 kg/m3; d (normal bp) 8.6 kg/m3; d (normal bp) 2415 kg/m3; d (triple pt) 2451 kg/m3; d (triple pt) 2826 kg/m3
solubility 
slightly soluble in H2O
form 
colorless gas
color 
colorless
Water Solubility 
59.4mL/1000g H2O (20°C) [KIR78]; Henry’s law constants, k×104: 3.685 (70.2°C), 4.017 (175.0°C), 3.761 (175.0°C), 2.392 (252.5°C) [POT78]
Thermal Conductivity
0.00943 W/(m·K)
Specific Heat Capacity
Cp(gas): 0.25 J/(g·K), at 25℃
Merck 
13,5340
Henry's Law Constant
2.5×10-5 mol/(m3Pa) at 25℃, Fernández-Prini et al. (2003)
Stability:
Stable and unreactive; not combustible.
InChI
InChI=1S/Kr
InChIKey
DNNSSWSSYDEUBZ-UHFFFAOYSA-N
SMILES
[Kr]
EPA Substance Registry System
Krypton (7439-90-9)

Safety Information

Symbol(GHS) 
Gas Cylinder (GHS04)
GHS04
Signal word 
Warning
Hazard statements 
H280
Precautionary statements 
P410+P403
Safety Statements 
9-38
RIDADR 
UN 1056 2.2 (KRYPTON, COMPRESSED)
RIDADR 
UN 1970 2.2 (KRYPTON, REFRIGERATED LIQUID)
WGK Germany 
3
4.5-31
TSCA 
TSCA listed
DOT Classification
2.2 (Nonflammable gas)
HazardClass 
2.2
Storage Class
2A - Gases
Hazard Classifications
Press. Gas Compr. Gas

Use

Krypton is expensive to produce, which limits its use as an inert gas. It is used in a mixturewith argon to fill incandescent light bulbs, fluorescent lamps, lasers, and high-speed photographylamps. Radioactive Kr-85 is used as a source of radiation to measure the thickness ofindustrial materials. It is also used to test for “leakage” of scientific instruments. Since 1960 the wavelength of the spectral lines of the krypton-86 isotope has been usedas the standard for the length of the meter. One meter is now defined as 1,650,762.73 wavelengthsof the reddish-orange spectral line of the Kr-86 isotope.

43 supplier list of "KRYPTON"

  • Product Name:KRYPTON
  • 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:KRYPTON
  • Products Intro:Purity: 0 | Package: 1g; 5g; 25g; 1kg; 5kg; 25kg | CustNote: 0
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Pharmaceutical intermediate
  • Product Name:Krypton
  • Products Intro:Purity: 99.99% | Package: 25kg/drum
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Benzaldehyde,Butyraldehyde,Benzene,resin,Acetic acid
Krypton
  • Product Name:Krypton
  • Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg
  • Company Type: Manufacturer
  • Country/Region: INDIA
Krypton
  • Product Name:Krypton
  • Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
  • Company Type: Reagent
  • Country/Region: INDIA
Krypton
  • Product Name:Krypton
  • Products Intro:Brand:sigma aldrich | Product Number:769010 | Purity:Messer?CANGas,99.99%
  • Company Type: Trader
  • Country/Region: INDIA
  • Products Intro:Brand:1pchem | Product Number:1P005YHT
  • Company Type: Trader
  • Country/Region: UNITED STATES
  • Product Name:Krypton
  • Products Intro:Brand:aksci | Product Number:0620CA
  • Company Type: Trader
  • Country/Region: UNITED STATES
KRYPTON
  • 5MG$496.69
  • Product Name:KRYPTON
  • Products Intro:Brand:Acccorporation | OriginalID:GAS0000012 | Purity:95.00%
  • Company Type: Trader
  • Country/Region: UNITED STATES
  • Product Name:KRYPTON
  • Company Type: Trader
  • Country/Region: UNITED STATES
You can find KRYPTON suppliers, manufacturers, and distributors from countries such as CHINA, United States and the India 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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KRYPTON
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