Refrigerant Gas Distributor: Refrigerant Gas Suppliers™ does not approve the use of industrial or special gases grade oxygen for medical use. These Pharmaceutical Grade Oxygen are filled to different standards and should not be inhaled or used for medical purposes. Medical oxygen is a licenced medical gas and as such can only be supplied to approved Healthcare Professionals for clinical use. Should you require medical oxygen for personal use, this needs to be via a prescription from your GP, which will be fulfilled via your regional supplier.
Pharmaceutical Grade Oxygen (Pharma-grade O2) gas cylinder.
Pharmaceutical Grade Oxygen Grade Classification
Pure gases are classified by grade.
The first digit of the grade classification indicates the ‘number of nines’ purity, e.g. N3.0 = 99.9% purity.
The second digit is the number following the last nine, e.g. N4.6 helium has a guaranteed minimum purity level of 99.996%.
Grade | Minimum purity | Total impurities |
---|---|---|
N2.0 | 99% | 1% |
N3.0 | 99.9% | 1000ppm |
N4.0 | 99.99% | 100vpm |
N5.0 | 99.999% | 10vpm |
N6.0 | 99.9999% | 1vpm |
N7.0 | 99.99999% | 100vpb |
Product name: Oxygen, compressed
Other Name: Oxygen (Special Gases), Oxygen (and High Purity Oxygen)
Additional identification
Chemical name: Oxygen
Chemical formula: O2
INDEX No. 008-001-00-8
CAS-No. 7782-44-7
EC No. 231-956-9
REACH Registration No. Listed in Annex IV/V of Regulation (EC) No. 1907/2006 (REACH),
exempted from registration.
Chemical name Oxygen
INDEX No.: 008-001-00-8
CAS-No.: 7782-44-7
EC No.: 231-956-9
REACH Registration No.: Listed in Annex IV/V of Regulation (EC) No. 1907/2006 (REACH), exempted from
registration.
Purity: 100%
The purity of the substance in this section is used for classification only and does
not represent the actual purity of the substance as supplied, for which other
documentation should be consulted.
Trade name: –
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