Silicon carbide - ≥99%, 0.5~0.7um , CAS No.409-21-2

CAS: 409-21-2 Cat. No.: S104651 Formula: SiC Molecular Weight: 40.09 EC Number: 206-991-8 PubChem CID: 9863
AVAILABLE TO ORDER
GRADE & PURITY ≥99% 0.5~0.7um
Synonyms
EINECS 206-991-8 | Silicon Carbide Micronwhisker | StarCeram? S, Silicon Carbide, (rtp), Grade CQ (Kyocera) | UA 4 | Betarundum | UA 2 | SC 9 (Carbide) | Siliziumkarbid | UF 15 | Silicon Carbide Micron Powder | Tokawhisker | YE 5626 | Betarundum ultrafine
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
100g
S104651-100g
—
2 In stock
€14.66
500g
S104651-500g
—
2 In stock
€36.36
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99%, 0.5~0.7um for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated 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 222 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application
SiC is mainly used as a base material for various applications, such as microstructures, optoelectronic devices (OLEDs), ultraviolet detectors, high-temperature electronics (nuclear electronics), and high-frequency devices.

Specifications

Synonyms
EINECS 206-991-8 | Silicon Carbide Micronwhisker | StarCeram? S, Silicon Carbide, (rtp), Grade CQ (Kyocera) | UA 4 | Betarundum | UA 2 | SC 9 (Carbide) | Siliziumkarbid | UF 15 | Silicon Carbide Micron Powder | Tokawhisker | YE 5626 | Betarundum ultrafine
Specifications & Purity
≥99%, 0.5~0.7um
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508816587
Canonical Smiles
[C-]#[Si+]
IUPAC Name
methanidylidynesilanylium
InChIKey
HBMJWWWQQXIZIP-UHFFFAOYSA-N
INCHI
1S/CSi/c1-2
Isomeric SMILES
[C-]#[Si+]
WGK Germany
3
RTECS
VW0450000
PubChem CID
9863
Molecular Weight
40.09

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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentMiscellaneous mixed metal/non-metals
Alternative Parents Carbides  
Molecular FrameworkNot available
Substituents Carbide - Miscellaneous mixed metal/non-metal
DescriptionThis compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes.
External Descriptors organosilicon compound
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.

17 results found

Lot NumberCertificate TypeDateItem
L2511119Certificate of AnalysisDec 26, 2025 S104651
C2211426Certificate of AnalysisDec 10, 2025 S104651
G2501132Certificate of AnalysisJul 11, 2025 S104651
G2515105Certificate of AnalysisJul 11, 2025 S104651
I2110479Certificate of AnalysisJun 09, 2025 S104651
E2507544Certificate of AnalysisJun 24, 2024 S104651
C2211432Certificate of AnalysisDec 21, 2021 S104651
C2211433Certificate of AnalysisDec 21, 2021 S104651
C2211470Certificate of AnalysisDec 21, 2021 S104651
C2422094Certificate of AnalysisDec 21, 2021 S104651
E2413059Certificate of AnalysisDec 21, 2021 S104651
E2514037Certificate of AnalysisDec 21, 2021 S104651
E2606064Certificate of AnalysisDec 21, 2021 S104651
L2313067Certificate of AnalysisDec 21, 2021 S104651
L2405066Certificate of AnalysisDec 21, 2021 S104651
A2503141Certificate of AnalysisDec 21, 2021 S104651
E2310032Certificate of AnalysisAug 26, 2021 S104651
Chemical and Physical Properties
SolubilitySoluble in fused potassium hydroxide, and molten iron. Insoluble in water (0.01 mg/ml), alcohol, and acid.
SensitivityMoisture sensitive.
Refractive Index2.654
Melt Point(°C)2700°C
Molecular Weight40.096 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass39.9769 Da
Monoisotopic Mass39.9769 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count2
Formal Charge0
Complexity10.000
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 Count1
Documents & Articles
Popular Semiconductor Materials: Application Introduction of Gallium Arsenide
Silicon carbide provides technical solutions for the photovoltaic field
Ceramic Materials Guide: Basic Definitions, Classification Framework, and Research-Task-Oriented Selection (with Product Navigation and Tables 1–4)
Limitations and Future Development of Epoxy Resins: Safety, Environmental Protection, Recycling, Bio-Based Materials, and High-Performance Trends
Structure–Property Relationship of Silicone Resins: Mechanisms of Heat Resistance, Weatherability, Hydrophobicity, and Coating Performance Analysis
Silicone Resin Coating Formulation Design: From Application Conditions to Matching Resins, Pigments and Fillers, Curing, and Substrates
Silicon Carbide: Properties, Synthesis & Lab Applications
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.