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Silicates, borates and other salts

Borate ion

Also known as Tetraborate, Pyroborate, tetraborate ion

CAS 12258-53-6Formula B4O7-2Molar mass 155.24 g/mol
Drug substance
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Borate ion chemical structure, B4O7-2, CAS 12258-53-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12258-53-6
Formula
B4O7-2
Molar mass
155.24 g/mol
HS code
284020
Category
Silicates, borates and other salts

What is Borate ion?

Plain description, key identifiers and synonyms

Borate ion is a chemical substance with the molecular formula B4O7-2 and a molar mass of 155.24 g/mol. Its CAS registry number is 12258-53-6. The IUPAC name is 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
CAS number
12258-53-6Other or deprecated CAS: 1313801-98-7
Molecular formula
B4O7-2
UNII
44OAE30D22
InChIKey
GDTSJMKGXGJFGQ-UHFFFAOYSA-N
InChI
InChI=1S/B4O7/c5-1-7-3-9-2(6)10-4(8-1)11-3/q-2
SMILES (canonical and isomeric)
B1(OB2OB(OB(O1)O2)[O-])[O-]

Synonyms

  • Tetraborate
  • Pyroborate
  • tetraborate ion
  • Borate (B4O7(2-))
  • 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
  • Borate (B4O72-)
  • borate (B4O7 2-)
  • BORIC ACID (H2B4O7), ION(2-)
  • Bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)

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
155.24 g/molcalc.
Exact mass
156.0027 Dacalc.
LogP (octanol/water)
-4.24calc.
Topological polar surface area
92.27 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-2calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, B1OB2OBOB(O1)O2

B1OB2OBOB(O1)O2

2 rings, 9 atoms.

16 other chemicals share this scaffold

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.

Borate ion suppliers

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Borate ion 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2840.20Indicative HS code

Borates, peroxoborates (perborates), other borates

World exports in 2024
$133M
+9.4% vs 2023, imports $162M
2019 to 2024
Top exporters
  1. United States30.4%
  2. China19.9%
  3. Peru10.0%
Top importers
  1. Canada13.0%
  2. United States11.0%
  3. Brazil9.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Borate ion, based on the data on this page

What is Borate ion?

Borate ion is a chemical substance with the molecular formula B4O7-2 and a molar mass of 155.24 g/mol. Its CAS registry number is 12258-53-6. The IUPAC name is 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane.

What is the CAS number of Borate ion?

The CAS registry number of Borate ion is 12258-53-6. Other or deprecated CAS numbers: 1313801-98-7.

What is the molecular formula and weight of Borate ion?

The molecular formula of Borate ion is B4O7-2 and its molar mass is 155.24 g/mol.

Is Borate ion hazardous?

No GHS hazard classification for Borate ion 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 Borate ion?

Borate ion is usually classified under HS code 284020 (Borates, peroxoborates (perborates), other borates). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Borate ion?

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What is the price of Borate ion?

Suppliers quote Borate ion 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 Borate ion

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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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