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Silicates, borates and other salts

Aluminatesilicate

Also known as Aluminumsilicate, Scories du Silicium, HYDRANAL Humidity absorber

CAS 1327-36-2Formula Al2O9Si3Molar mass 282.21 g/molEC 215-475-1
GHS signal word: Danger. Pictograms: Corrosive 48 suppliers listed
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Aluminatesilicate chemical structure, Al2O9Si3, CAS 1327-36-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1327-36-2
Formula
Al2O9Si3
Molar mass
282.21 g/mol
Physical form
Powder
HS code
284210
Category
Silicates, borates and other salts
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Aluminatesilicate?

Plain description, key identifiers and synonyms

Aluminatesilicate is a chemical substance with the molecular formula Al2O9Si3 and a molar mass of 282.21 g/mol. Its CAS registry number is 1327-36-2. The IUPAC name is dialuminum, tris(dioxido(oxo)silane).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dialuminum, tris(dioxido(oxo)silane)
CAS number
1327-36-2 CAS number cross-checkedOther or deprecated CAS: 1335-30-4, 139264-88-3, 14504-95-1
EC numbers
215-475-1, 215-628-2, 238-509-7, 629-654-0
Molecular formula
Al2O9Si3
INCI name
ALUMINUM SILICATE
InChIKey
PGZIKUPSQINGKT-UHFFFAOYSA-N
InChI
InChI=1S/2Al.3O3Si/c;;3*1-4(2)3/q2*+3;3*-2
SMILES (canonical and isomeric)
[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Al+3].[Al+3]

Synonyms

  • Aluminumsilicate
  • Scories du Silicium
  • HYDRANAL Humidity absorber
  • Aluminatesilicate, Pyrophyllite
  • Laitier de la fabrication du Silicium
  • Silicic acid, aluminum salt
  • dialuminum, dioxido(oxo)silane
  • Aluminum silicate (Al2SiO5)
  • Silicic acid (H2SiO3), aluminum salt (3:2)
  • Montmorillonite (Aluminum Pillared Clay)
  • Aluminum oxide (Al2O3), compd. with montmorillonite ((Al1.33-1.67Mg0.33-0.67)(Ca0-1Na0-1)0.33Si4(OH)2O10.xH2O) (9CI)
  • Oxo-bis[(2-oxo-1,3,2,4-dioxasilalumetan-4-yl)oxy]silane
  • Aluminium silicate(3:2)
  • Aluminumsilicate(Al2SiO5)
  • Aluminium oxosilanebis(olate) (2/3)

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

Physical form
Powderexp.

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
282.21 g/molcalc.
Exact mass
281.8481 Dacalc.
LogP (octanol/water)
-9.39calc.
Topological polar surface area
189.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
0calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
5calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Aluminatesilicate suppliers

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

All 48 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

48 suppliers in 19 countries

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Aluminatesilicate 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

Industrial uses: Processing aids not otherwise specified, Catalyst, Abrasives, Other, Adsorbent.

Consumer uses: Processing aids not otherwise specified, Catalyst, Absorbent.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name ALUMINUM SILICATE(abrasive, absorbent, anticaking, bulking)

Functional uses

  • Abrasive
  • Dye
  • Filler
  • Processing aids not otherwise specified

Cosmetic functions

  • Abrasive
  • Absorbent
  • Anticaking
  • Bulking
  • Colorant
  • Opacifying

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Aluminatesilicate 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 Aluminatesilicate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Aluminatesilicate?

Aluminatesilicate is a chemical substance with the molecular formula Al2O9Si3 and a molar mass of 282.21 g/mol. Its CAS registry number is 1327-36-2. The IUPAC name is dialuminum, tris(dioxido(oxo)silane).

What is the CAS number of Aluminatesilicate?

The CAS registry number of Aluminatesilicate is 1327-36-2. Other or deprecated CAS numbers: 1335-30-4, 139264-88-3, 14504-95-1.

What is the molecular formula and weight of Aluminatesilicate?

The molecular formula of Aluminatesilicate is Al2O9Si3 and its molar mass is 282.21 g/mol.

What is Aluminatesilicate used for?

Industrial uses: Processing aids not otherwise specified, Catalyst, Abrasives, Other, Adsorbent. Consumer uses: Processing aids not otherwise specified, Catalyst, Absorbent. Use classes: Cosmetics.

Is Aluminatesilicate hazardous?

Aluminatesilicate carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Aluminatesilicate?

Aluminatesilicate 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 Aluminatesilicate?

CompoundList lists 48 suppliers of Aluminatesilicate in India, United States, Egypt, Spain and 15 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Aluminatesilicate in India?

18 suppliers in India list Aluminatesilicate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Aluminatesilicate?

Suppliers quote Aluminatesilicate 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 Aluminatesilicate

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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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