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helium gas classification

  • Storage and Handling of Gas Cylinders Guidelines

    This document provides basic guidance on the safe storage and handling of compressed gas cylinders. These guidelines need to be followed in order to protect people, property and the environment from emergencies involving gas cylinders as well as ensuring compliance with relevant legislation. 2 Scope[...]

  • Chemistry for Kids: Elements - Helium

    Helium is the second lightest and second most common element in the universe.It is at the top of the noble gas group in the periodic table. Characteristics and Properties At room temperature helium is an odorless, tasteless, colorless gas.[...]

  • Helium Element | History, Uses, Facts, Physical & Chemical ...

    Helium can exist in molecular ion form, such as HeH +, which is a highly stable but reactive form of helium. Other compounds, known as Van der Waals compounds of helium are also formed with lithium and cryogenic helium gas. Under high pressure, however, helium can form various compounds, for example, helium-nitrogen clathrate (He(N 2) 11).[...]


    SAFETY DATA SHEET – Helium SDS Number: 061A Air Products South Africa (Pty) Ltd 3/4 HELIUM / Rev 2 / 2016-03 8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering measures Provide natural or mechanical ventilation to prevent oxygen deficient atmospheres below[...]

  • USDOT Hazardous Materials Table 49CFR 172.101: Class 2 ...

    U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and proper shipping names of class 2 Compressed Gasses. 2.1 Flammable Gas. Hazardous materials description and proper shipping names ... Helium, refrigerated liquid (cryogenic liquid) 2.2: ... USDOT Hazardous Materials Table 49CFR 172.101 - Class 2 Compressed Gasses. ...[...]

  • It's Elemental - The Element Helium

    Liquid helium is an important cryogenic material and is used to study superconductivity and to create superconductive magnets. The Department of Energy's Jefferson Lab uses large amounts of liquid helium to operate its superconductive electron accelerator. Helium is an inert gas and does not easily combine with other elements.[...]

  • Specification for Welding Shielding Gases

    This specification for welding shielding gases specifies minimum requirements for the composition and purity of the most popular single-component shielding gases. Classification designators for both single and multicomponent gases are introduced. Other topics include testing procedures, package marking, and general application guidelines.[...]

  • Safety data sheet Helium, refrigerated liquid.

    Classification acc. to Regulation (EC) No 1272/2008/EC (CLP/GHS) Press. Gas - Contains refrigerated gas; may cause cryogenic burns or injury. Classification acc. to Directive 67/548/EEC & 1999/45/EC Not classified as hazardous to health. Asphyxiant in high concentrations. Risk advice to man and the environment Refrigerated liquefied gas.[...]

  • Helium Uses - ScienceStruck

    Helium is used to cool these magnets. Applications of helium can also be found in nuclear medicine. The liquid helium uses and applications can also be found in medical instrumentation. Chronic and acute forms of respiratory diseases can be treated with the help of this gas. For such treatments, a mixture of helium and oxygen is used.[...]

  • WebElements Periodic Table » Helium » the essentials

    Helium is one of the so-called noble gases. Helium gas is an unreactive, colourless, and odourless monoatomic gas. Helium is available in pressurised tanks. Helium is the second most abundant element in the universe after hydrogen. α-particles are doubly ionised helium atoms, He 2+.[...]

  • Helium – expert written, user friendly element information

    Helium is extracted by fractional distillation of the natural gas, which contains up to 7% helium. Isotopes: Helium has 8 isotopes whose half-lives are known, with mass numbers 3 to 10. Naturally occurring helium is a mixture of its two stable isotopes, 3 He and 4 He with natural abundances of 0.0001% and 99.999% respectively.[...]

  • Helium | He - PubChem

    Helium | He | CID 23987 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ...[...]

  • UN 1046: Helium, compressed - Substance information ...

    Helium, compressed. Helium (from Greek: ἥλιος, romanized: Helios, lit. 'Sun') is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements. Wikipedia[...]

  • WHMIS Classifications: Helium

    Atomic helium Helium gas Helium, compressed Helium, refrigerated liquefied gas Helium, refrigerated liquid. CAS Registry Number: ... Users of this information are strongly advised to consult the detailed explanation of this WHMIS 1988 classification provided in the CHEMINFO Review for this chemical.[...]

  • Classification of Gases - Engineering ToolBox

    An inert gas supplied to a room or limited space will reduce the amount of oxygen and limit a combustion process of a fire. Inert gases are used in extinguishing systems where it is important to avoid water damage - rooms with electronic devices etc.[...]

  • HELIUM, COMPRESSED, 2.2, UN1046 - Welding Gas, Welding ...

    Helium (He) is the second lightest elemental gas next to hydrogen. Colorless, odorless, tasteless, non-toxic and chemically inert, helium is non-flammable and has a high thermal conductivity. It is used to create an inert gas shield and prevent oxidization during welding of metals such as aluminum, stainless steel, copper and magnesium alloys.[...]

  • Helium - FDA prescribing information, side effects and uses

    Helium. Dosage Form: gas Helium, COMPRESSED USP. UN1046. Rx only. WARNING: Administration of Helium USP may be hazardous or contraindicated. For use only by or under the supervision of a licensed practitioner who is experienced in the use and administration of Helium USP and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the ...[...]

  • What is helium classified as - Answers

    Why is helium's 2 electrons in its energy level classified as a noble gas? Helium has completely filled orbitals as do other noble gases. Hence, helium is placed with noble gases.[...]

  • Helium, Compressed Gas Safety Data Sheet SDS P4602

    Other means of identification : Helium-4, refrigerant gas R-704, LaserStar Helium, Medipure Helium, UltraLift Helium, Helium - Diving Grade 1.2. Relevant identified uses of the substance or mixture and uses advised against ... GHS-US classification Compressed gas H280 2.2. Label elements GHS-US labeling Hazard pictograms (GHS-US) : GHS04[...]

  • Purity, Grades and Concentration | BOConline UK

    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%.[...]

  • Helium: Helium Gas - U.S. Environmental Rental Corporation

    leaky equipment. Do not use helium cylinder unless it is properly labeled. Do not attempt to transfer helium from cylinder into any other container. Do not substitute hydrogen (a highly flammable gas) for helium. For additional recommendations consult Compressed Gas Association Pamphlet P …[...]

  • List of UN numbers 1001 to 1100 - Wikipedia

    The UN numbers from UN1001 to UN1100 as assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods. UN 1001 to UN 1100[...]


    Helium Section 7. Handling and storage Advice on general occupational hygiene Conditions for safe storage, including any incompatibilities Eating, drinking and …[...]

  • Grades of helium: the differences and uses

    Feb 26, 2016· Like 6.0 helium, 5.5 ultra pure helium gas is typically considered "research grade," also used in chromatography and semiconductor processing, as well as lab research, MRIs, as a shielding gas in welding, a cooling gas for fiber optics, and other industries that require a fine purity helium gas.[...]

  • Gas Cylinder Guidelines - STLCC.edu

    gauges on regulators are correct for the pressure of the gas cylinder used. With the exception of lecture bottles, threads, configurations and valve outlets are different for each class of gases to prevent mixing of incompatible gases. § CGA Pamphlet V-1: Standard for Compressed Gas Cylinder Valves, lists the appropriate valve for each gas.[...]

  • Helium - Element information, properties and uses ...

    Helium is the second most abundant element in the universe, but here on earth, it's rather rare. Most people guess that we extract helium from the air, but actually we dig it out of the ground. Helium can be found in certain parts of the world, notably in Texas, as a minor component in some sources of natural gas.[...]

  • Helium - Wikipedia

    The resulting crude helium gas is purified by successive exposures to lowering temperatures, in which almost all of the remaining nitrogen and other gases are precipitated out of the gaseous mixture. Activated charcoal is used as a final purification step, usually resulting in 99.995% pure Grade-A helium.[...]

  • SAFETY DATA SHEET - Calibration Gas | Specialty Gas

    HELIUM GAS SECTION 6 – ACCIDENTAL RELEASE MEASURES METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Stop the folow of gas or remove cylinder to outdoor location if this can be done without risk. Ventilate enclosed areas. Move leaking cylinder to …[...]

  • Laser Types and Classification | Environmental Health and ...

    Gas lasers (helium and helium-neon, HeNe, are the most common gas lasers) have a primary output of a visible red light. CO 2 lasers emit energy in the far-infrared, 10.6 micrometers, ... Classification of Lasers. A classification label will be found on the laser housing. This label provides important information on the hazard of the laser.[...]

  • Cylinder Identification - Trainex

    • Compressed Gas Assocation(CGA) number on valve tells you a lot • CGA plus 3 digits –e.g., CGA 540 • Number identifies shape and thread of inlet and outlet connections –where you attach to valve • Indicates what gases might be inside • Will sometimes tell you exact gas[...]