Dangerous Goods
structure of 16871-90-2

Potassium Fluorosilicate(CAS 16871-90-2)

CAS No.: 16871-90-2 Brand: MolBest
M. Ft.: K2SiF6 Cat. No: G3369960
M. Wt.: 220.27 MDL: MFCD00040666
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2826901000 UN No.: UN 2655 6.1 /PG III
Purity Grade Package Stock Price Quantity
99%
Documents:COASDS
RG 100G In Stock 4 USD
99%
Documents:COASDS
RG 500G In Stock 6 USD
99%
Documents:COASDS
RG 2.5KG In Stock 20 USD
99%
Documents:COASDS
RG 25KG In Stock 198 USD
99.999% metals basis
Documents:COASDS
Ultra Pure 5G In Stock 7 USD
99.999% metals basis
Documents:COASDS
Ultra Pure 25G In Stock 25 USD
99.999% metals basis
Documents:COASDS
Ultra Pure 100G In Stock 41 USD
99.999% metals basis
Documents:COASDS
Ultra Pure 500G In Stock 153 USD
Your region is eligible for ordering.
Should you have any questions, please contact us by Email.
Batch COA
Available
NMR Spectrum
Verified
In Stock
Fast Shipping
ISO 9001
Quality System

Quick Links

Applications of 16871-90-2

Potassium hexafluorosilicate has a range of applications:

  • Industrial Uses: Employed in the manufacture of optical glass, porcelain, and as a wood preservative.
  • Phosphor Production: Used in creating narrow band red phosphors for LED lighting systems.
  • Chemical Source: Serves as a source of fluorine and silicon in various chemical processes due to its decomposition characteristics.

Physical and chemical properties of 16871-90-2

Boiling Point

dec

Density

Relative density (water = 1): 2.3

Exact Mass

219.89500

Exposure Limits

ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3

Index of Refraction

1.3991

LogP

2.14040

Melting Point

°Cd ec.)

Merck

14,7638

Molecular Formula

F6K2Si

Molecular Weight

220.27300

Sensitivity

Moisture Sensitive

Solubility

Solubility in water, g/100ml at 20 °C: 0.18 (poor)

Vapour Pressure

0.01Pa

Water Solubility

Slightly soluble in water.

Q&A for CAS 16871-90-2

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.

3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.

6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.

7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.

Download SDS of 16871-90-2

Pictograms

Signal Word

Danger

Hazard Statements

H301 Toxic if swallowed
H311 Toxic in contact with skin
H331 Toxic if inhaled

Safety Data Sheet

Download COA of 16871-90-2

CAS/Product ID
*Required fields
Lot/Batch Number
*Required fields

Operate under the ISO 9001 system