Sodium fluorosilicate - AR, ≥98% , CAS No.16893-85-9

CAS: 16893-85-9 Cat. No.: S101419 Molecular Weight: 188.06 EC Number: 240-934-8 PubChem CID: 28127
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. ≥98%
Synonyms
Salufer | Safsan | 806AV2E065 | Sodium hexafluorosilicate [ISO] | Sodium hexafluorosilicate | Sodium fluorosilicate | SODIUM SILICOFLUORIDE | Silicate(2-), hexafluoro-, sodium (1:2) | Sodium fluosilicate | disodium;hexafluorosilicon(2-) | Sodium hexafluor
Storage
Room temperature
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100g
S101419-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
500g
S101419-500g
2
$14.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

AR, ≥98% 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.

📋

Quality documents

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

📚

Literature proof

Cited in 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Salufer | Safsan | 806AV2E065 | Sodium hexafluorosilicate [ISO] | Sodium hexafluorosilicate | Sodium fluorosilicate | SODIUM SILICOFLUORIDE | Silicate(2-), hexafluoro-, sodium (1:2) | Sodium fluosilicate | disodium;hexafluorosilicon(2-) | Sodium hexafluor
Specifications & Purity
AR, ≥98%
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
≥98%
Names and Identifiers
Pubchem Sid504753379
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753379
Canonical SmilesF[Si-2](F)(F)(F)(F)F.[Na+].[Na+]
IUPAC Namedisodium;hexafluorosilicon(2-)
InChIKeyTWGUZEUZLCYTCG-UHFFFAOYSA-N
INCHI1S/F6Si.2Na/c1-7(2,3,4,5)6;;/q-2;2*+1
Isomeric SMILES F[Si-2](F)(F)(F)(F)F.[Na+].[Na+]
PubChem CID 28127
UN Number 2674
Packing Group III
Molecular Weight 188.06

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
ClassAlkali metal salts
SubclassAlkali metal fluorides
Intermediate Tree Nodes Not available
Direct ParentAlkali metal fluorides
Alternative Parents Metalloid salts  Inorganic sodium salts  
Molecular FrameworkNot available
Substituents Alkali metal fluoride - Inorganic sodium salt - Inorganic salt - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal fluorides. These are inorganic compounds in which the largest halogen atom is fluorine, and the heaviest metal atom is an alkali metal.
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.

23 results found

Lot NumberCertificate TypeDateItem
E2618487Certificate of AnalysisApr 27, 2026 S101419
E2618486Certificate of AnalysisApr 27, 2026 S101419
E2618485Certificate of AnalysisApr 27, 2026 S101419
E2618483Certificate of AnalysisApr 27, 2026 S101419
E2618372Certificate of AnalysisApr 27, 2026 S101419
K2503063Certificate of AnalysisDec 10, 2024 S101419
A2516385Certificate of AnalysisDec 10, 2024 S101419
A2516421Certificate of AnalysisDec 10, 2024 S101419
A2516387Certificate of AnalysisDec 10, 2024 S101419
E2521055Certificate of AnalysisSep 18, 2024 S101419
J2416607Certificate of AnalysisSep 18, 2024 S101419
J2416612Certificate of AnalysisSep 18, 2024 S101419
J2416613Certificate of AnalysisSep 18, 2024 S101419
J2416615Certificate of AnalysisSep 18, 2024 S101419
E2415268Certificate of AnalysisApr 29, 2024 S101419
E2415269Certificate of AnalysisApr 29, 2024 S101419
E2415270Certificate of AnalysisApr 29, 2024 S101419
E2415267Certificate of AnalysisApr 29, 2024 S101419
E2415266Certificate of AnalysisApr 29, 2024 S101419
J2227661Certificate of AnalysisOct 12, 2022 S101419
J2227735Certificate of AnalysisOct 12, 2022 S101419
C2211440Certificate of AnalysisFeb 10, 2022 S101419
C2211439Certificate of AnalysisFeb 10, 2022 S101419

Show more ⌵

Chemical and Physical Properties
SolubilitySlightly soluble in water. Solubility increases with temperature. Insoluble in alcohol
SensitivityMoisture sensitive.
Molecular Weight188.055 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count7
Rotatable Bond Count0
Exact Mass187.947 Da
Monoisotopic Mass187.947 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count9
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 Count3
Documents & Articles
Citations of This Product
References
1. Ya-Dong Yang, Gui-Xiang Liu, Yan-Chan Wei, Shuangquan Liao, Ming-Chao Luo.  (2021)  Natural rubber latex/MXene foam with robust and multifunctional properties.  E-POLYMERS,  21  (1): (179-185).  [PMID:] [10.1515/epoly-2021-0017]
2. Shenbo Huang, Zirong Luo, Jizhen Zhang, Na Kong, Jihua Li, Pengfei Zhao, Jiayu Wu, Shaozao Tan, Jinlong Tao.  (2024)  An eco-friendly, high-yield and scalable method for processing concentrated natural rubber latex with superabsorbent polymer beads.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.158013]
3. Lu Guo, Shiwei Wang, Weizhen Xie, Xuan Wu, Bo Zhao, Man Liu, Chaolu Yin, Qian Li.  (2024)  Effect of chitosan on the insulation and smoke absorption properties of expanded vermiculite composites.  Polymer-Plastics Technology and Materials,      [PMID:] [10.1080/25740881.2023.2301293]
4. Shiman Zhu, Liuyi Ren, Shenxu Bao, Yimin Zhang, Bo Chen.  (2024)  Effect of different particle size fractions on flotation separation of fine rutile from garnet.  ADVANCED POWDER TECHNOLOGY,      [PMID:] [10.1016/j.apt.2024.104396]
5. Xiaoye Li, Huamin Liu, Yuanyuan Xue, Yanchao Zhu, Juntao Li, Xinyao Li, Shuang Gao.  (2024)  Study on properties of natural latex foam composites modified by corn straw-derived biomass fiber.  POLYMER ENGINEERING AND SCIENCE,      [PMID:] [10.1002/pen.27064]
6. Yusheng Jiang, Xingyu Liu, Teng Li, Hankun Zhang, Lingtao Zeng, Yundi Geng, Hongwei Wu, Changjiang Liu, Hongchao Li, Ding Wang, Yan Li, Chuncheng Yang.  (2025)  Fe-Si-B amorphous magnetic nanoparticles as high-efficiency Fenton-like catalysts for rapid degradation of Rhodamine B.  JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,      [PMID:] [10.1016/j.jmmm.2025.173561]
Solution Calculators
Reviews

Customer Reviews

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View AR grade guide →

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.