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Silicates, borates and other salts

Silodrate

Also known as Magnesium aluminometasilicate, Simaldrate, Aluminosilicic acid (H4Al2Si3O11), magnesium salt (1:2) hydrate

CAS 12408-47-8Formula H2Al2Mg2O12Si3Molar mass 380.84 g/mol
1 supplier listed
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Silodrate chemical structure, H2Al2Mg2O12Si3, CAS 12408-47-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12408-47-8
Formula
H2Al2Mg2O12Si3
Molar mass
380.84 g/mol
HS code
284210
Category
Silicates, borates and other salts

What is Silodrate?

Plain description, key identifiers and synonyms

Silodrate is a chemical substance with the molecular formula H2Al2Mg2O12Si3 and a molar mass of 380.84 g/mol. Its CAS registry number is 12408-47-8. The IUPAC name is dialuminum, dimagnesium, tris(dioxido(oxo)silane), bis(oxygen(2-)), hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dialuminum, dimagnesium, tris(dioxido(oxo)silane), bis(oxygen(2-)), hydrate
CAS number
12408-47-8 CAS number cross-checked
Molecular formula
H2Al2Mg2O12Si3
UNII
9T3UU8T0QK
INCI name
MAGNESIUM ALUMINOMETASILICATE
InChIKey
JAUGGEIKQIHSMF-UHFFFAOYSA-N
InChI
InChI=1S/2Al.2Mg.3O3Si.H2O.2O/c;;;;3*1-4(2)3;;;/h;;;;;;;1H2;;/q2*+3;2*+2;3*-2;;2*-2
SMILES (canonical and isomeric)
O.[O-2].[O-2].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Mg+2].[Mg+2].[Al+3].[Al+3]

Synonyms

  • Magnesium aluminometasilicate
  • Simaldrate
  • Aluminosilicic acid (H4Al2Si3O11), magnesium salt (1:2) hydrate
  • Silodrate (USAN)
  • Aluminum magnesium oxide silicate (Al2Mg2O2(SiO3)3), hydrate
  • Aluminosilicic acid (H4Al2Si3O11), magnesium salt (1:2), hydrate
  • Aluminate(4-), tris(metasilicato(2-))dioxodi-, magnesium (1:2), hydrate
  • Magnesium aluminometasilicate (ep monograph)
  • dialuminum, dimagnesium, dioxido(oxo)silane, oxygen(2-), hydrate
  • silodrate hydrate
  • Aluminium magnesium oxide oxosilanebis(olate)--water (2/2/2/3/1)
  • dialuminum, dimagnesium, tris(dioxido(oxo)silane), bis(oxygen(2-)), hydrate

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
380.84 g/molcalc.
Exact mass
379.8186 Dacalc.
LogP (octanol/water)
-11.22calc.
Topological polar surface area
278.1 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
0calc.
Heavy atoms
19calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
10calc.

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.

Silodrate suppliers

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Where suppliers are based

1 supplier in 1 country

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Silodrate 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

Cosmetic ingredient, INCI name MAGNESIUM ALUMINOMETASILICATE(absorbent, anticaking, bulking, opacifying)

Cosmetic functions

  • Absorbent
  • Anticaking
  • Bulking
  • Opacifying
  • Viscosity controlling

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2842.10Indicative HS code

Double or complex silicates, including aluminosilicates whether or not chemically defined

World exports in 2024
$929M
−10.0% vs 2023, imports $944M
2019 to 2024
Top exporters
  1. Netherlands25.3%
  2. Germany24.4%
  3. Japan11.3%
Top importers
  1. United States15.2%
  2. Germany14.1%
  3. Netherlands13.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Silodrate?

Silodrate is a chemical substance with the molecular formula H2Al2Mg2O12Si3 and a molar mass of 380.84 g/mol. Its CAS registry number is 12408-47-8. The IUPAC name is dialuminum, dimagnesium, tris(dioxido(oxo)silane), bis(oxygen(2-)), hydrate.

What is the CAS number of Silodrate?

The CAS registry number of Silodrate is 12408-47-8.

What is the molecular formula and weight of Silodrate?

The molecular formula of Silodrate is H2Al2Mg2O12Si3 and its molar mass is 380.84 g/mol.

What is Silodrate used for?

Known uses and roles of Silodrate include thickeners in cosmetics and personal care, fillers and thixotropes in adhesives and sealants, builders and chelants in home care and cleaning, absorbent, anticaking and 3 more.

Is Silodrate hazardous?

No GHS hazard classification for Silodrate 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 Silodrate?

Silodrate is usually classified under HS code 284210 (Double or complex silicates, including aluminosilicates whether or not chemically defined). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Silodrate?

CompoundList lists 1 supplier of Silodrate in Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Silodrate?

Suppliers quote Silodrate 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 Silodrate

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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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