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Actinolite

Also known as Ferroactinolite, actinolita, Aktinolith

CAS 12172-67-7Formula H2Ca2Fe5O24Si8Molar mass 970.06 g/mol
Actinolite chemical structure, H2Ca2Fe5O24Si8, CAS 12172-67-7
2D chemical structure

Key facts

What buyers check first

CAS number
12172-67-7
Formula
H2Ca2Fe5O24Si8
Molar mass
970.06 g/mol
HS code
283990
Category
Silicates, borates and other salts

What is Actinolite?

Plain description, key identifiers and synonyms

Actinolite is a ca-amphibole, double chain inosilicate mineral.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dicalcium, octakis(dioxido(oxo)silane), hydron, pentakis(iron(2+))
CAS number
12172-67-7 CAS number cross-checkedOther or deprecated CAS: 15669-07-5
Molecular formula
H2Ca2Fe5O24Si8
InChIKey
JFXRITDJGBOATP-UHFFFAOYSA-P
InChI
InChI=1S/2Ca.5Fe.8O3Si/c;;;;;;;8*1-4(2)3/q7*+2;8*-2/p+2
SMILES (canonical and isomeric)
[H+].[H+].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Ca+2].[Ca+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2].[Fe+2]

Synonyms

  • Ferroactinolite
  • actinolita
  • Aktinolith
  • Ferroactinolyte
  • Strahlstein
  • Ferrotremolite

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
970.06 g/molcalc.
Exact mass
969.3089 Dacalc.
LogP (octanol/water)
-23.57calc.
Topological polar surface area
505.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
24calc.
Rotatable bonds
0calc.
Heavy atoms
39calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
17calc.

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.

Actinolite suppliers

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Actinolite 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

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 Actinolite is traded under.

HS 2839.90Indicative HS code

Silicates, commercial alkali metal silicates, other

World exports in 2024
$241M
−2.7% vs 2023, imports $307M
2019 to 2024
Top exporters
  1. China20.4%
  2. United States17.9%
  3. Netherlands11.7%
Top importers
  1. Saudi Arabia13.5%
  2. Germany8.3%
  3. United States7.3%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Actinolite, based on the data on this page

What is Actinolite?

Actinolite is a ca-amphibole, double chain inosilicate mineral.

What is the CAS number of Actinolite?

The CAS registry number of Actinolite is 12172-67-7. Other or deprecated CAS numbers: 15669-07-5.

What is the molecular formula and weight of Actinolite?

The molecular formula of Actinolite is H2Ca2Fe5O24Si8 and its molar mass is 970.06 g/mol.

What is Actinolite used for?

Known uses and roles of Actinolite include fillers and thixotropes in adhesives and sealants.

Is Actinolite hazardous?

No GHS hazard classification for Actinolite 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 Actinolite?

Actinolite is usually classified under HS code 283990 (Silicates, commercial alkali metal silicates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Actinolite?

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

What is the price of Actinolite?

Suppliers quote Actinolite 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 Actinolite

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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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