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Metals, alloys and elements

Phosphorus-32

Also known as P-32 radioisotope, 32P radioisotope, Phosphorus, isotope of mass 32

CAS 14596-37-3Formula PMolar mass 31.97 g/mol
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Element with atomic number and standard atomic weight

Key facts

What buyers check first

All properties
CAS number
14596-37-3
Formula
P
Molar mass
31.97 g/mol
HS code
284443
Category
Metals, alloys and elements

What is Phosphorus-32?

Plain description, key identifiers and synonyms

Phosphorus-32 is a chemical substance with the molecular formula P and a molar mass of 31.97 g/mol. Its CAS registry number is 14596-37-3. The IUPAC name is phosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
phosphane
CAS number
14596-37-3
Molecular formula
P
InChIKey
OAICVXFJPJFONN-OUBTZVSYSA-N
InChI
InChI=1S/P/i1+1
Canonical SMILES
[P]
Isomeric SMILES
[32P]

Synonyms

  • P-32 radioisotope
  • 32P radioisotope
  • Phosphorus, isotope of mass 32
  • 32P isotope
  • Isotope:32P
  • 32P (isotope)
  • Phosphorus-32 isotope
  • Isotope:Phosphorus-32

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
31.97 g/molcalc.
Exact mass
31.9739 Dacalc.
LogP (octanol/water)
0.86calc.
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.

Phosphorus-32 suppliers

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

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Phosphorus-32 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 Phosphorus-32 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 Phosphorus-32 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phosphorus-32, based on the data on this page

What is Phosphorus-32?

Phosphorus-32 is a chemical substance with the molecular formula P and a molar mass of 31.97 g/mol. Its CAS registry number is 14596-37-3. The IUPAC name is phosphane.

What is the CAS number of Phosphorus-32?

The CAS registry number of Phosphorus-32 is 14596-37-3.

What is the molecular formula and weight of Phosphorus-32?

The molecular formula of Phosphorus-32 is P and its molar mass is 31.97 g/mol.

What is Phosphorus-32 used for?

Known uses and roles of Phosphorus-32 include isotope-labelled compounds in research and laboratory.

Is Phosphorus-32 hazardous?

No GHS hazard classification for Phosphorus-32 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 Phosphorus-32?

Phosphorus-32 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 Phosphorus-32?

CompoundList lists 2 suppliers of Phosphorus-32 in Switzerland and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phosphorus-32?

Suppliers quote Phosphorus-32 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 Phosphorus-32

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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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