Magnesium fluorosilicate hexahydrate - AR, ≥99% , CAS No.16949-65-8

CAS: 16949-65-8 Cat. No.: M105067 Molecular Weight: 274.47 EC Number: 241-022-2
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99%
Synonyms
Hexafluorosilicate(2-) magnesium (1:1) | Magnesium fluosilicate | H37V80D2JS
Storage
Room temperature
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
500g
M105067-500g
2

$34.90

$49.90
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Why this grade

AR, ≥99% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

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Quality documents

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

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Hexafluorosilicate(2-) magnesium (1:1) | Magnesium fluosilicate | H37V80D2JS
Specifications & Purity
AR, ≥99%
Storage
Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
AR
Purity
≥99%
Names and Identifiers
Canonical SmilesF[Si-2](F)(F)(F)(F)F.[Mg+2]
IUPAC Namemagnesium;hexafluorosilicon(2-)
InChIKeyINWUJAAIUAAHJA-UHFFFAOYSA-N
INCHI1S/F6Si.Mg/c1-7(2,3,4,5)6;/q-2;+2
Isomeric SMILES F[Si-2](F)(F)(F)(F)F.[Mg+2]
Alternate CAS 18972-56-0
UN Number 2853
Packing Group III
Molecular Weight 274.47

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
ClassAlkaline earth metal salts
SubclassAlkaline earth metal fluorides
Intermediate Tree Nodes Not available
Direct ParentAlkaline earth metal fluorides
Alternative Parents Metalloid salts  Inorganic salts  
Molecular FrameworkNot available
Substituents Alkaline earth metal fluoride - Inorganic salt - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkaline earth metal fluorides. These are inorganic compounds in which the largest halogen atom is fluorine, and the heaviest metal atom is a lanthanide.
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:

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

9 results found

Lot NumberCertificate TypeDateItem
D2627303Certificate of AnalysisApr 15, 2026 M105067
L2526203Certificate of AnalysisDec 12, 2025 M105067
L2526204Certificate of AnalysisDec 12, 2025 M105067
E2512293Certificate of AnalysisApr 21, 2025 M105067
J2408434Certificate of AnalysisSep 24, 2024 M105067
J2408435Certificate of AnalysisSep 24, 2024 M105067
D2424056Certificate of AnalysisAug 03, 2023 M105067
H2315594Certificate of AnalysisAug 03, 2023 M105067
H2315595Certificate of AnalysisAug 03, 2023 M105067
Chemical and Physical Properties
SensitivityMoisture sensitive.
Molecular Weight166.380 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count7
Rotatable Bond Count0
Exact Mass165.952 Da
Monoisotopic Mass165.952 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count8
Formal Charge0
Complexity62.700
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 Count2
Solution Calculators
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