Factory Supply High Purity Krypton Gas Kr Gas Electron Grade

• CAS No.: 7439-90-0
• Formula: Kr
• EINECS: 231-098-5
• Model NO.: 99.998%
• Constituent: Industrial Pure Air
• Grade Standard: Industrial Grade
• Chemical Property: Inflammable Gas
• Color: Colorless
• Melting Point: -156.6ºC
• Boiling Point: -153.35ºC
• Odor: Odorless
• Toxic: Nontoxic
• Hazard Class: 2.2
• (M)SDS Reference: P-4616
• Shipping Name: Krypton, Compressed
• Un Number: 1056
• Transport Package: Gas Cylinder/ISO Tank
• Specification: 10L to 50L
• Trademark: RM
• Origin: Qingdao, China
• HS Code: 2804290000
• Production Capacity: 50 Bottle Per Month

Product Description

(Kr krypton )CAS:7439-90-9

NAME	PURITY(%)	IMPURITY ppm(v/v)
		O2	N2	H2	Xe	THC	H2O
UHP Krypton	99.999	≤1	≤5	≤2	≤35	≤2	≤2.5
Krypton	99.99	≤5	≤15	≤2	≤50	≤3	≤3

Packing: Usually 40 liters cylinder (12 ~ 15MPa), can also be divided into 2 ~ 10 liters gas cylinder (10MPa) according to customer needs.
The main purpose:
Used for incandescent bulbs, fluorescent lamps, counter tubes, laser light sources, ultraviolet sources, standard gas, special gas mixtures, etc.

Physical properites

 

Physical properties
Chemical name	kr
Molecular weight	83.80
Density of the gas at 70°F (21,1°C), 1 atm	0.2172 lb/ft3, 3.479 kg/m3
Specific gravity of the gas at 70°F (21 ,1°C), 1 atm	2.899
Specific volume of the gas at 70ºF (21,1°C), 1 atm	4.604 ft3/lb, 0.287 m3/kg
Boiling point at 1 atm	-244.0ºF, -153.4ºC
Melting point at 1 atm	-251º F, -157ºC
Critical temperature at 1 atm	-82.8ºF, -63.8ºC
Critical density	56.7 lb/ft3, 908 kg/m3
Critical pressure	798.0 psia, 55.02 bar
Triple point	-251.3ºF, -157.4ºC
Latent heat of vaporization at normal boiling point	46.2 Btu/lb, 107.5 kJ/kg
Latent heat of fusion at triple point	8.41 Btu/lb, 19.57 kJ/kg
Specific heat of the gas at 70ºF (21,1°C), 1 atm Cp Cv	0.060 Btu/(lb) (ºF) 0.251 kJ/(kg) (ºC) 0.035 Btu/(lb) (ºF) 0.146 kJ/(kg) (ºC)

About Ruiming
Qingdao Ruiming Bluesky Energy Co., Ltd is located at Qingdao, the biggest seaport in China, owns the convenient shipping advantages.
        Ruiming are recognized by our customers as offering unparalleled technical knowledge & support resulting in the ability to provide cost effective and competitive solutions. We strive for our customers to enjoy working with us due to our friendly, reliable and professional attitude in all that we do.
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Main products:
1.    Gas products: Argon gas, helium gas, hydrogen gas, Carbon Oxide (CO2), propane gas, acetylene, Nitrous Oxide, LO2, LN2,LCO2. LNG, ect.
2.    All kind of high pressure gas cylinder and welded gas cylinders:
        Oxygen Cylinder (GB 5099/ ISO 9809-3/ DOT/ EN standard gas cylinders)
        Acetylene Gas cylinder
        Liquid Chlorine Cylinder/ Liquid Ammonia Cylinder
3.    Liquid nitrogen containers: all kinds of liquid nitrogen containers from 2L to 50L
4.    Cryogenic Liquid Cylinder : 175L 195L 210L 495L capacity 
5. Liquid storage tank: 5M3, 10 M3, 20M3, 30 M3, 50M3, 100M3, 200M3, ect.
6. Gas equipment: Vaporizer, Manifold, Gas filling pump, ect.