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ISO Cylinder Colour Coding for Different (medical) Gases. Gas cylinders are often color-coded, but the codes are not standard across different jurisdictions, and sometimes are not regulated. Cylinder color can not safely be used for positive product identification; cylinders have labels to identify the gas they contain.
Different countries have different gas colour codes but attempts are being made to standardise the colours of cylinder shoulders: [citation needed] Colours of cylinders for Medical gases are covered by an International Organization for Standardization (ISO) standard, ISO 32; but not all countries use this standard.
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]
Compressed natural gas (CNG) is a fuel gas mainly composed of methane (CH 4), compressed to less than 1% of the volume it occupies at standard atmospheric pressure.It is stored and distributed in hard containers at a pressure of 20–25 megapascals (2,900–3,600 psi; 200–250 bar), usually in cylindrical or spherical shapes.
Propane see also Petroleum gases, liquefied UN 1979: 2 (UN No. no longer in use) Rare gases, mixtures, compressed (UN No. no longer in use) [1] [2] UN 1980: 2 (UN No. no longer in use) Rare gases and oxygen mixtures, compressed (UN No. no longer in use) [1] [2] UN 1981: 2 (UN No. no longer in use) Rare gases and nitrogen mixtures, compressed ...
UN Number Class Proper Shipping Name UN 3301: 8: Corrosive liquid, self-heating, n.o.s. UN 3302: 6.1: 2-Dimethylaminoethyl acrylate: UN 3303: 2.3: Compressed gas ...