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Metals, alloys and elements

Neon

Also known as Neon ion beam, Neon, Elemental, Ne

CAS 7440-01-9Formula NeMolar mass 20.18 g/molEC 231-110-9
GHS signal word: Warning. Pictograms: Gas under pressure 6 suppliers listed
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Element with atomic number and standard atomic weight

Key facts

What buyers check first

All properties
Appearance
Colorless gas
Melting point
-248.6 °C
Boiling point
-246.1 °C
Density
0.825 g/L
Solubility
Solubility of gas in water (20 °C): 10.5 cm³/kg water
HS code
280429
Category
Metals, alloys and elements
UN number
UN 1065
Illustrative photo, a small gas cylinder with a regulator in a lab on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Neon?

Plain description, key identifiers and synonyms

Neon atom is a noble gas atom and a p-block element atom. It has a role as a NMR chemical shift reference compound.

Neon is a chemical element with symbol Ne and atomic number 10, rare gas that glows reddish-orange in a vacuum discharge tube.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
neon
CAS number
7440-01-9 CAS number cross-checked
EC number
231-110-9
Molecular formula
Ne
UNII
4VB4Y46AHD
InChIKey
GKAOGPIIYCISHV-UHFFFAOYSA-N
InChI
InChI=1S/Ne
SMILES (canonical and isomeric)
[Ne]

Synonyms

  • Neon ion beam
  • Neon, Elemental
  • Ne
  • neon atom
  • Neon22
  • NEON20
  • Neon element
  • Element Neon
  • Element:Neon
  • Atomic Neon
  • Element-Ne
  • Element:Ne
  • Neon, compressed
  • Neon (element)
  • Neon (atomic)
  • Ne (element)
  • neon(0)
  • [Ne]
  • 10Ne
  • Neon, compressed [UN1065] [Nonflammable gas]
  • Neon, Messer(R) CANGas, 99.999%
  • Neon, refrigerated liquid (cryogenic liquid)
  • Neon, refrigerated liquid (cryogenic liquid) [UN1913] [Nonflammable gas]

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless gasexp.
Odour
Odorlessexp.
Taste
Tastelessexp.
Melting point
-248.6 °Cexp.
Boiling point
-246.1 °Cexp.
Density
0.825 g/Lexp.
Solubility
Solubility of gas in water (20 °C): 10.5 cm³/kg waterexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
20.18 g/molcalc.
Exact mass
19.9924 Dacalc.
LogP (octanol/water)
0calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
1calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS04: Gas under pressure
Gas under pressure

Hazard statements

  • H280Contains gas under pressure, may explode if heated.
  • H281Contains refrigerated gas, may cause cryogenic burns or injury.
Precautionary statements (4)
  • P282Wear cold insulating gloves and either face shield or eye protection.
  • P336 + P317Thaw frosted parts with lukewarm water. Do not rub affected area. Get medical help.
  • P403Store in a well-ventilated place.
  • P410 + P403Protect from sunlight. Store in a well-ventilated place.
UN number
UN 1065
Transport hazard class
2.2

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Neon suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
6 of 6 offers

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Where suppliers are based

6 suppliers in 4 countries

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Neon price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

(Gas) Luminescent electric tubes and photoelectric bulbs, electronic industry, high-voltage indicators, lasers. (Liquid) cryogenic research.

Gas in neon light tubes, ingredient of gaseous fillers for antifog devices, warning signals, electrical current detectors, high-voltage indicators for high-tension electric lines, lightening arresters, wave-meter tubes, in Ne-He lasers, in mixtures with He and Ar in Geiger counters.

Liquid as cryogen to produce low temperatures.

Roles

  • NMR chemical shift reference compound
  • reference compound

How it is made

In the distillative fractionation of air ... the noble gases helium and neon become concentrated in the reflux condenser of (a) ... medium-pressure column together with the hydrogen contained in the air. In noble gas production there is an enrichment of up to about a thousand times the input value. Further concentration of the helium and neon to ca. 50 mol% is carried out in a small secondary column whose overhead condenser is cooled at ca. 80 deg K with evaporating liquid nitrogen.

Read more

A fraction can be drawn from the top of this column with a typical composition of 11 mol% He, 35 mol% Ne, 5 mol% H2 and 49 mol% N2 with a noble gas yield of over 90%. Further separation of this fraction is by ... condensation ... absorption ... (or) adsorption.

By fractional distillation of liquid air. It constitutes 0.0012% of normal air.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Neon is traded under.

HS 2804.29Indicative HS code

Rare gases, other

World exports in 2024
$2.36B
−6.0% vs 2023, imports $2.46B
2019 to 2024
Top exporters
  1. Qatar * partner reported34.3%
  2. United States22.9%
  3. Algeria * partner reported6.8%
Top importers
  1. China17.8%
  2. South Korea12.7%
  3. Germany9.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Neon is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Neon, based on the data on this page

What is Neon?

Neon atom is a noble gas atom and a p-block element atom. It has a role as a NMR chemical shift reference compound.

What is the CAS number of Neon?

The CAS registry number of Neon is 7440-01-9.

What is the molecular formula and weight of Neon?

The molecular formula of Neon is Ne and its molar mass is 20.18 g/mol.

What is Neon used for?

(Gas) Luminescent electric tubes and photoelectric bulbs, electronic industry, high-voltage indicators, lasers. (Liquid) cryogenic research.

Is Neon hazardous?

Neon carries the GHS signal word "Warning". Main hazards: contains gas under pressure, may explode if heated, contains refrigerated gas, may cause cryogenic burns or injury. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Neon?

Neon is usually classified under HS code 280429 (Rare gases, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Neon?

CompoundList lists 6 suppliers of Neon in China, France, Romania and Russia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Neon?

Suppliers quote Neon on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Neon

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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