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Silicates, borates and other salts

Perlite, expanded

Also known as Europerl-50, Expanded perlite, Harborlite 635

CAS 93763-70-3Formula H10Al6K2Na2O76Si30Molar mass 2,354.65 g/molEC 603-442-8
GHS signal word: Warning. Pictograms: Harmful or irritant 10 suppliers listed
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Perlite, expanded chemical structure, H10Al6K2Na2O76Si30, CAS 93763-70-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
>1093
Density
Relative density (water = 1): 2.2-2.4 (crude)
Solubility
Solubility in water: poor
HS code
284210
Category
Silicates, borates and other salts
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Perlite, expanded?

Plain description, key identifiers and synonyms

Perlite appears as an odorless, light-gray to glassy-black solid. A naturally occurring aluminosilicate rock. May contain trace amounts of crystalline silica dust, a chronic health hazard by inhalation.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hexaaluminum, dipotassium, disodium, (dioxosilane), undecakis(oxygen(2-)), pentahydrate
CAS number
93763-70-3 CAS number cross-checkedOther or deprecated CAS: 130885-09-5
EC numbers
603-442-8, 618-970-4
Molecular formula
H10Al6K2Na2O76Si30
UNII
0SG101ZGK9
INCI name
PERLITE
InChIKey
SJLSAERUORZACY-UHFFFAOYSA-N
InChI
InChI=1S/6Al.2K.2Na.30O2Si.5H2O.11O/c;;;;;;;;;;30*1-3-2;;;;;;;;;;;;;;;;/h;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5*1H2;;;;;;;;;;;/q6*+3;4*+1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;11*-2
SMILES (canonical and isomeric)
O.O.O.O.O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+]

Synonyms

  • Europerl-50
  • Expanded perlite
  • Harborlite 635
  • Harborlite 2000S
  • EP 100 (glass)
  • Aragats
  • Ceramic Sil 32
  • Dicaperl HP 610
  • filtroperlite
  • Fuyo Lite
  • Fuyoballoon
  • Microperl GT 25
  • Mitsui Perlite
  • Mitsui Perlite B
  • Mitsui Perlite Kakoyo 1
  • Nenisanso
  • Nenisanso 3
  • Noblite
  • P 500 (filler)
  • Perfil
  • Perligran
  • Perlite
  • Rokahelp
  • Ryolex 3
  • Silbrico 43-23
Show all 28 synonyms
  • Stabent
  • Topco 54
  • Topco Perlite

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
Crystalsexp.
Melting point
>1093exp.
Density
Relative density (water = 1): 2.2-2.4 (crude)exp.
Solubility
Solubility in water: poorexp.
Vapour pressure
0 mmHg (approx)exp.

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
2,354.65 g/molcalc.
Exact mass
2,350.7957 Dacalc.
LogP (octanol/water)
-38.25calc.
Topological polar surface area
1,495 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
60calc.
Rotatable bonds
0calc.
Heavy atoms
116calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
56calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Perlite, expanded suppliers

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

All 10 suppliers
10 of 10 offers

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

10 suppliers in 9 countries

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Perlite, expanded price

Indicative price range per kg from live supplier offers

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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

Use classes: Processing Aids and Additives, Safer Chemical Classes.

Cosmetic ingredient, INCI name PERLITE(absorbent, bulking)

Functional uses

  • Abrasive
  • Absorbent
  • Dispersing agent
  • Filler
  • Processing aids not otherwise specified

Cosmetic functions

  • Absorbent
  • Bulking

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • Safer Choice ingredient list (USA)

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

Frequently asked questions

Quick answers about Perlite, expanded, based on the data on this page

What is Perlite, expanded?

Perlite appears as an odorless, light-gray to glassy-black solid. A naturally occurring aluminosilicate rock. May contain trace amounts of crystalline silica dust, a chronic health hazard by inhalation.

What is the CAS number of Perlite, expanded?

The CAS registry number of Perlite, expanded is 93763-70-3. Other or deprecated CAS numbers: 130885-09-5.

What is the molecular formula and weight of Perlite, expanded?

The molecular formula of Perlite, expanded is H10Al6K2Na2O76Si30 and its molar mass is 2,354.65 g/mol.

What is Perlite, expanded used for?

Use classes: Processing Aids and Additives, Safer Chemical Classes.

Is Perlite, expanded hazardous?

Perlite, expanded carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Perlite, expanded?

Perlite, expanded 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 Perlite, expanded?

CompoundList lists 10 suppliers of Perlite, expanded in China, Germany, Denmark, United Kingdom and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Perlite, expanded in India?

1 supplier in India list Perlite, expanded on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Perlite, expanded?

Suppliers quote Perlite, expanded 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 Perlite, expanded

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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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