Kaolin - anhydrous , CAS No.1332-58-7

CAS: 1332-58-7 Cat. No.: K431903 Formula: Al2Si2O5(OH)4 · 2 H2O Molecular Weight: 294.19 EC Number: 310-194-1
AVAILABLE TO ORDER
GRADE & PURITY Anhydrous Grade ? Anhydrous grade — water removed and packaged dry for moisture-sensitive chemistry. Use in reactions where even trace water would interfere or quench.
Synonyms
Argilla | Bilt Plate 156 | Glomax | Kaolin colloidal | Kaolin Nanoclay | Montmorillonite Bentonite Clay | beta Coat | Snow tex | Clay 347 | Kaopaous | Langford | Airflo V 8 | Clays, white, acidic | Amazon 88 | J-521617 | Arcilla blanca | CB 2 (clay) | Hal
Storage
Room temperature
★
Size
USA
Germany (EU)*
Price
Qty
500g
K431903-500g
Made to order · 8–12 wks

$178.90

$209.90
Save $31.00 (14.77%)
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Why this grade

Anhydrous Grade Anhydrous Grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 163 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Argilla | Bilt Plate 156 | Glomax | Kaolin colloidal | Kaolin Nanoclay | Montmorillonite Bentonite Clay | beta Coat | Snow tex | Clay 347 | Kaopaous | Langford | Airflo V 8 | Clays, white, acidic | Amazon 88 | J-521617 | Arcilla blanca | CB 2 (clay) | Hal
Specifications & Purity
Anhydrous Grade
Storage
Room temperature
Grade
Anhydrous Grade
Names and Identifiers
Canonical Smiles
O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O
IUPAC Name
oxo-oxoalumanyloxy-[oxo(oxoalumanyloxy)silyl]oxysilane;dihydrate
InChIKey
NLYAJNPCOHFWQQ-UHFFFAOYSA-N
INCHI
1S/2Al.O5Si2.2H2O.2O/c;;1-6(2)5-7(3)4;;;;/h;;;2*1H2;;/q2*+1;-2;;;;
Isomeric SMILES
O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O
RTECS
GF1670500
Molecular Weight
294.19
Reaxy-Rn
36272658
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=36272658&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassMiscellaneous mixed metal/non-metals
SubclassMiscellaneous metallic oxoanionic compounds
Intermediate Tree Nodes Not available
Direct ParentMiscellaneous silicates
Alternative Parents Miscellaneous aluminates  Metalloid salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Silicate - Aluminate - Inorganic oxide - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as miscellaneous silicates. These are inorganic compounds in which the largest metallic oxoanion is silicate, to which either no atom or a non metal atom is bonded.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Molecular Weight258.160 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count9
Rotatable Bond Count4
Exact Mass257.902 Da
Monoisotopic Mass257.902 Da
Topological Polar Surface Area98.000 Ų
Heavy Atom Count13
Formal Charge0
Complexity167.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Documents & Articles
The Guide to Anhydrous Grade for Reagents
Applications of Nanoclay in Materials and Formulations: Dispersion Mechanisms, Performance Enhancement, and Product Selection
Mercapto Silane Coupling Agents: Structural Features, Classification, Applications, and Selection
Titanate Coupling Agents: Structural Features, Classification, Typical Applications, and Differences from Silane Coupling Agents
How Matting Agents in Coatings Build Low-Gloss Coating Surfaces: Mechanisms, Formulation Trade-Offs, and Product Selection
Silicone Resin Coating Formulation Design: From Application Conditions to Matching Resins, Pigments and Fillers, Curing, and Substrates
Vinyl Acetate-Acrylic Emulsion (Vinyl Acrylic Emulsion): A Cost-Performance Balance Solution for Architectural Coatings
PVAc, VAE, and Vinyl Acetate-Based Emulsions: Film-Forming Logic and Performance Boundaries in Architectural Coatings
Application Positioning, Scenario Selection, and Key Use Considerations for Chlorinated Rubber Resin in Coatings
Formulation Design of Chlorinated Rubber Coatings: Component Synergy and Performance Control
What Is Silica Sol: Mechanism of Action, Application Scenarios, and Selection Criteria for Nanosilica Dispersions
Waterborne Resin Application Guide: Formulation Synergy, Troubleshooting, and Technology Development Trends
Resin Polarity in Coating Formulations: From Molecular Structure to Dissolution, Compatibility, Interfacial Interactions, and Formulation Design
Why Do Daily Chemical Products Become Opaque? Formation Mechanisms of Milky Turbidity, Pearlescence, and Coverage, and How to Select the Right Ingredients
Color-Development Mechanisms, Formulation Forms, and Selection/Application Logic of Colorants in Personal Care Products
Analysis of the Production Process of Hydroxypropyl Methylcellulose (HPMC) for Putty: Understanding Differences in Substitution Structure and Gelation Temperature from High-Ratio and Low-Ratio Formulations
Types, Mechanisms of Action, Key Quality Indicators, and Selection and Application of Common Cellulose Ethers in Wall Putty
Influencing Factors and Control Strategies for Blistering in Neutral Wall Putty: An Experimental Analysis Based on HPMC Dosage, Viscosity, and Ground Calcium Carbonate Fineness
How to Select Binding/Gel Materials for Neutral Wall Putty? A Comparison of Pregelatinized Starch, PVA, and Redispersible Polymer Powder Based on Four Application Trials
Causes and Mechanism Analysis of Delamination During Sanding of Water-Resistant Putty
What Are the Differences Between Polyvinyl Alcohol 1788, 2488, and 2699? Understanding Workability, Bonding Strength, and Relative Water Resistance from the Perspective of Degree of Polymerization and Degree of Hydrolysis
Common Problems and Formulation Adjustment Strategies for Neutral Putty Under High Summer Temperatures
Differences and Application Selection of Cassava- and Corn-Based Pregelatinized Starch in Neutral Putty Formulations
The Role, Selection, Cracking Risk Analysis, and Dosage Control of Bentonite in Neutral Putty
Mechanism of Action of Porous Silica in Oil-Control Loose Powder: Pore Structure, Capillary Imbibition, and Surface Modification
Kaolin: Properties, Uses & Lab FAQ | Aladdin Scientific
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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