Kieselguhr - Filter aid,Flux Calcined,Median Particle Size:34.6μm , CAS No.68855-54-9

CAS: 68855-54-9 Cat. No.: K1520278 Formula: SiO2 Molecular Weight: 60.08 EC Number: 272-489-0
AVAILABLE TO ORDER
GRADE & PURITY Filter aid,Flux Calcined,Median Particle Size:34.6μm
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
250g
K1520278-250g
Made to order · 8–12 wks
€10.33
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Filter aid,Flux Calcined,Median Particle Size:34.6μm for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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 10 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
Filter aid,Flux Calcined,Median Particle Size:34.6μm
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Canonical Smiles
O=[Si]=O
IUPAC Name
dioxosilane
InChIKey
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
INCHI
1S/O2Si/c1-3-2
Isomeric SMILES
O=[Si]=O
Molecular Weight
60.08
Reaxy-Rn
6114654
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6114654&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
ClassMetalloid organides
SubclassMetalloid oxides
Intermediate Tree Nodes Not available
Direct ParentMetalloid oxides
Alternative Parents Metalloid salts  Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Metalloid oxide - Inorganic oxide - Inorganic salt - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as metalloid oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a metalloid.
External Descriptors silicon oxide
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
I2607626Certificate of AnalysisSep 29, 2026 K1520278
I2607627Certificate of AnalysisSep 29, 2026 K1520278
Chemical and Physical Properties
SensitivityMoisture sensitive.
Melt Point(°C)>450 °C
Molecular Weight60.084 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass59.9668 Da
Monoisotopic Mass59.9668 Da
Topological Polar Surface Area34.100 Ų
Heavy Atom Count3
Formal Charge0
Complexity18.300
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 Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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