CompoundList

Argon-38

Also known as 38Ar isotope, Ar-38 isotope, Argon-38 isotope

CAS 13994-72-4Formula ArMolar mass 37.96 g/mol
Element with atomic number and standard atomic weight

Key facts

What buyers check first

CAS number
13994-72-4
Formula
Ar
Molar mass
37.96 g/mol
Physical form
Gas
HS code
284443
Category
Metals, alloys and elements
Illustrative photo, a bundle of gas cylinders on a manifold in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Argon-38?

Plain description, key identifiers and synonyms

Argon-38 is a chemical substance with the molecular formula Ar and a molar mass of 37.96 g/mol. Its CAS registry number is 13994-72-4.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
argon-38
CAS number
13994-72-4
Molecular formula
Ar
InChIKey
XKRFYHLGVUSROY-YPZZEJLDSA-N
InChI
InChI=1S/Ar/i1-2
Canonical SMILES
[Ar]
Isomeric SMILES
[38Ar]

Synonyms

  • 38Ar isotope
  • Ar-38 isotope
  • Argon-38 isotope
  • Argon-38Ar
  • Isotope:38Ar
  • Isotope:Argon-38
  • 38Ar (isotope)
  • Argon-38Ar, 95 atom %

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

Physical form
Gasexp.

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
37.96 g/molcalc.
Exact mass
37.9627 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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Argon-38 suppliers

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

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Argon-38 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Argon-38 is traded under.

HS 2844.43Indicative HS code

Radioactive elements and isotopes and compounds other than those of subheading 284410…

World exports in 2024
$2.19B
+8.8% vs 2023, imports $2.53B
2022 to 2024
Top exporters
  1. Canada32.1%
  2. Netherlands17.0%
  3. Germany11.4%
Top importers
  1. United States37.8%
  2. Germany8.4%
  3. China5.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Argon-38 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Argon-38, based on the data on this page

What is Argon-38?

Argon-38 is a chemical substance with the molecular formula Ar and a molar mass of 37.96 g/mol. Its CAS registry number is 13994-72-4.

What is the CAS number of Argon-38?

The CAS registry number of Argon-38 is 13994-72-4.

What is the molecular formula and weight of Argon-38?

The molecular formula of Argon-38 is Ar and its molar mass is 37.96 g/mol.

What is Argon-38 used for?

Known uses and roles of Argon-38 include specialty gases in electronics and semiconductors and isotope-labelled compounds in research and laboratory.

Is Argon-38 hazardous?

No GHS hazard classification for Argon-38 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Argon-38?

Argon-38 is usually classified under HS code 284443 (Radioactive elements and isotopes and compounds other than those of subheading 284410…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Argon-38?

Post a free request on CompoundList and suppliers of Argon-38 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Argon-38?

Suppliers quote Argon-38 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 Argon-38

Get quotes for Argon-38

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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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