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Hydroxides and bases

Hexaaquacalcium(2+)

Also known as calcium, hexahydroxide, Hexaaquacalcium ion, Calcium(2+), hexaaqua-, ion

CAS 17787-72-3Formula H6CaO6-4Molar mass 142.12 g/mol
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Hexaaquacalcium(2+) chemical structure, H6CaO6-4, CAS 17787-72-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17787-72-3
Formula
H6CaO6-4
Molar mass
142.12 g/mol
HS code
282590
Category
Hydroxides and bases

What is Hexaaquacalcium(2+)?

Plain description, key identifiers and synonyms

Hexaaquacalcium(2+) is a chemical substance with the molecular formula H6CaO6-4 and a molar mass of 142.12 g/mol. Its CAS registry number is 17787-72-3. The IUPAC name is calcium hexahydroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
calcium hexahydroxide
CAS number
17787-72-3
Molecular formula
H6CaO6-4
InChIKey
GXTAVUFVWOVBHJ-UHFFFAOYSA-H
InChI
InChI=1S/Ca.6H2O/h;6*1H2/q+2;;;;;;/p-6
SMILES (canonical and isomeric)
[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Ca+2]

Synonyms

  • calcium, hexahydroxide
  • Hexaaquacalcium ion
  • Calcium(2+), hexaaqua-, ion

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
142.12 g/molcalc.
Exact mass
141.9812 Dacalc.
LogP (octanol/water)
-1.44calc.
Topological polar surface area
180 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-4calc.
Stereocentres
0calc.
Components
7calc.

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.

Hexaaquacalcium(2+) suppliers

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

All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Hexaaquacalcium(2+) price

Indicative price range per kg from live supplier offers

No published prices right now

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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

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 Hexaaquacalcium(2+) is traded under.

HS 2825.90Indicative HS code

Inorganic bases not elsewhere classified in heading 2825

World exports in 2024
$972M
+5.4% vs 2023, imports $3.4B
2019 to 2024
Top exporters
  1. China28.5%
  2. United States23.7%
  3. Brazil10.8%
Top importers
  1. South Korea77.2%
  2. Japan4.3%
  3. United States3.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Hexaaquacalcium(2+) is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hexaaquacalcium(2+), based on the data on this page

What is Hexaaquacalcium(2+)?

Hexaaquacalcium(2+) is a chemical substance with the molecular formula H6CaO6-4 and a molar mass of 142.12 g/mol. Its CAS registry number is 17787-72-3. The IUPAC name is calcium hexahydroxide.

What is the CAS number of Hexaaquacalcium(2+)?

The CAS registry number of Hexaaquacalcium(2+) is 17787-72-3.

What is the molecular formula and weight of Hexaaquacalcium(2+)?

The molecular formula of Hexaaquacalcium(2+) is H6CaO6-4 and its molar mass is 142.12 g/mol.

Is Hexaaquacalcium(2+) hazardous?

No GHS hazard classification for Hexaaquacalcium(2+) 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 Hexaaquacalcium(2+)?

Hexaaquacalcium(2+) is usually classified under HS code 282590 (Hydrazine and hydroxylamine and their inorganic salts, other inorganic bases, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hexaaquacalcium(2+)?

CompoundList lists 3 suppliers of Hexaaquacalcium(2+) in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hexaaquacalcium(2+)?

Suppliers quote Hexaaquacalcium(2+) 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 Hexaaquacalcium(2+)

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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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