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Silicates, borates and other salts

Enstatite

Also known as Orthoenstatite, Shepardite (of rose)

CAS 14681-78-8Formula H2MgO3Si+2Molar mass 102.40 g/molEC 604-538-2
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Enstatite chemical structure, H2MgO3Si+2, CAS 14681-78-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14681-78-8
Formula
H2MgO3Si+2
Molar mass
102.40 g/mol
EC number
604-538-2
HS code
283990
Category
Silicates, borates and other salts

What is Enstatite?

Plain description, key identifiers and synonyms

Enstatite is a chemical substance with the molecular formula H2MgO3Si+2 and a molar mass of 102.40 g/mol. Its CAS registry number is 14681-78-8. The IUPAC name is magnesium dihydroxy(oxo)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
magnesium dihydroxy(oxo)silane
CAS number
14681-78-8
EC number
604-538-2
Molecular formula
H2MgO3Si+2
InChIKey
BBCCCLINBSELLX-UHFFFAOYSA-N
InChI
InChI=1S/Mg.H2O3Si/c;1-4(2)3/h;1-2H/q+2;
SMILES (canonical and isomeric)
O[Si](=O)O.[Mg+2]

Synonyms

  • Orthoenstatite
  • Shepardite (of rose)

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
102.40 g/molcalc.
Exact mass
101.9613 Dacalc.
LogP (octanol/water)
-1.99calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
2calc.
Stereocentres
0calc.
Components
2calc.

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.

Enstatite suppliers

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Enstatite 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 Enstatite 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 Enstatite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Enstatite?

Enstatite is a chemical substance with the molecular formula H2MgO3Si+2 and a molar mass of 102.40 g/mol. Its CAS registry number is 14681-78-8. The IUPAC name is magnesium dihydroxy(oxo)silane.

What is the CAS number of Enstatite?

The CAS registry number of Enstatite is 14681-78-8.

What is the molecular formula and weight of Enstatite?

The molecular formula of Enstatite is H2MgO3Si+2 and its molar mass is 102.40 g/mol.

What is Enstatite used for?

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

Is Enstatite hazardous?

No GHS hazard classification for Enstatite 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 Enstatite?

Enstatite 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 Enstatite?

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

What is the price of Enstatite?

Suppliers quote Enstatite 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 Enstatite

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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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