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Antiscalants and dispersants

Pentane diphosphonate

Also known as Pentylidenebisphosphonic acid, (1-Phosphono-pentyl)-phosphonic acid, Pentane-1,1-diylbis(phosphonic acid)

CAS 4672-28-0Formula C5H14O6P2Molar mass 232.11 g/mol
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Pentane diphosphonate chemical structure, C5H14O6P2, CAS 4672-28-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4672-28-0
Formula
C5H14O6P2
Molar mass
232.11 g/mol
HS code
293149
Category
Antiscalants and dispersants

What is Pentane diphosphonate?

Plain description, key identifiers and synonyms

Pentane diphosphonate is a chemical substance with the molecular formula C5H14O6P2 and a molar mass of 232.11 g/mol. Its CAS registry number is 4672-28-0. The IUPAC name is 1-phosphonopentylphosphonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-phosphonopentylphosphonic acid
CAS number
4672-28-0 CAS number cross-checked
Molecular formula
C5H14O6P2
InChIKey
IRYOZLKMXHUGKP-UHFFFAOYSA-N
InChI
InChI=1S/C5H14O6P2/c1-2-3-4-5(12(6,7)8)13(9,10)11/h5H,2-4H2,1H3,(H2,6,7,8)(H2,9,10,11)
SMILES (canonical and isomeric)
CCCCC(P(=O)(O)O)P(=O)(O)O

Synonyms

  • Pentylidenebisphosphonic acid
  • (1-Phosphono-pentyl)-phosphonic acid
  • Pentane-1,1-diylbis(phosphonic acid)

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
232.11 g/molcalc.
Exact mass
232.0266 Dacalc.
LogP (octanol/water)
0.86calc.
Topological polar surface area
115.1 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

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.

Pentane diphosphonate suppliers

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Pentane diphosphonate 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

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 Pentane diphosphonate is traded under.

HS 2931.49Indicative HS code

Non-halogenated organo-phosphorous derivatives, other

World exports in 2024
$3.44B
−6.5% vs 2023, imports $3.07B
2022 to 2024
Top exporters
  1. China54.9%
  2. United States25.4%
  3. Germany5.1%
Top importers
  1. United States20.9%
  2. Argentina14.9%
  3. Brazil14.3%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Pentane diphosphonate, based on the data on this page

What is Pentane diphosphonate?

Pentane diphosphonate is a chemical substance with the molecular formula C5H14O6P2 and a molar mass of 232.11 g/mol. Its CAS registry number is 4672-28-0. The IUPAC name is 1-phosphonopentylphosphonic acid.

What is the CAS number of Pentane diphosphonate?

The CAS registry number of Pentane diphosphonate is 4672-28-0.

What is the molecular formula and weight of Pentane diphosphonate?

The molecular formula of Pentane diphosphonate is C5H14O6P2 and its molar mass is 232.11 g/mol.

What is Pentane diphosphonate used for?

Known uses and roles of Pentane diphosphonate include scale inhibitors in water treatment and scale inhibitors in oil, gas and lubricants.

Is Pentane diphosphonate hazardous?

No GHS hazard classification for Pentane diphosphonate 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 Pentane diphosphonate?

Pentane diphosphonate is usually classified under HS code 293149 (Non-halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentane diphosphonate?

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

What is the price of Pentane diphosphonate?

Suppliers quote Pentane diphosphonate 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 Pentane diphosphonate

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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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