Nitrogen

For Nitrogen, standard is BIS IS 3933 (India); shoulder color is Black; body color is Grey, recorded from its source on 2026-08-05; source re-checked 2026-09-15.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

S. No. | Gas Cylinder | Color | Shoulder | Body | 1. | Air | Grey | Grey | 2. | Ammonia | Red | Yellow & Black | 3. | Carbon Dioxide | Silver | Black | 4. | Chlorine | Yellow | Yellow | 5. | Helium | Brown | Brown | 6. | Hydrogen | Red | Red | 7. | Nitrogen | Black | Grey

— pharmaguideline.com, retrieved 2026-08-05

Source

• pharmaguideline.comhttps://www.pharmaguideline.com/2014/01/olor-codes-for-gas-cylinders-in-pharma.html

Last verified against source: 2026-09-15. Due for re-check by 2028-08-04. This page as Markdown · OKF bundle · full dataset as JSON.