Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
Chemical: Potassium Fluorosilicate NFPA: H=3 F=0 I=0 S=None
HMIS: H=3 F=0 R=0 PPE= Supplied by user;
dependent on conditions
MSDS Number: KFSI-1103
Effective Date: 19 November 2003
Issued by: Solvay Chemicals, Inc. Regulatory Affairs Department
Not valid three years after effective date or after issuance of superseding MSDS, whichever is
earlier. French or Spanish translations of this MSDS may be available. Check www.solvaychemicals.us
or call Solvay Fluorides, LLC to verify the latest version or translation availability.
Material Safety Data Sheets contain country specific regulatory information. Therefore the MSDS鈥檚
provided are for use only by customers of Solvay Fluorides, LLC in North America. If you are located
in a country other than Canada, Mexico or the United States, please contact the Solvay Group
company in your country for MSDS information applicable to your location.
1. Company and Product Identification
1.1 Product Name: Potassium fluorosilicate
Chemical Name: Potassium fluorosilicate
Synonyms: Potassium silicofluoride, Potassium hexafluorosilicate
Chemical Formula: K2SiF6
Molecular Weight: 220
CAS Number: 16871-90-2
EINECS Number: unknown
Grade/Trade Names: None
1.2 Recommended Uses: Contact supplier
1.3 Supplier: Solvay Fluorides, LLC
PO BOX 27328 Houston, TX 77227-7328
3333 Richmond Ave. Houston, Texas 77098
1.4 Emergency Telephone Numbers
Emergencies (USA): 1-800-424-9300 (CHEMTREC庐)
Transportation Emergencies (INTERNATIONAL/MARITIME): 1-703-527-3887 (CHEMTREC庐)
Transportation Emergencies (CANADA): 1-613-996-6666 (CANUTEC)
Transportation Emergencies (MEXICO-SETIQ): 01-800-00-214-00 (MEX. REPUBLIC)
525-559-1588 (Mexico City and
Metro Area)
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
Page 1/8 www.solvaychemicals.us 1.800.765.8292
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
2. Composition/Information on Ingredients
INGREDIENTS FORMULA WT. PERCENT CAS #
Potassium Fluorosilicate K2SiF6 98.0 min. 16871-90-2
3. Hazards Identification
Emergency Overview: Seek medical attention in all cases
3.1 Route of Entry: Inhalation: Yes Skin: Yes Ingestion: Yes
3.2 Potential Effects of exposure:
鈥? Repeated or prolonged exposure to excessive concentrations may cause fluoride
poisoning or fluorosis.
鈥? Fluoride poisoning symptoms include weakness, tremors, convulsions, collapse, low
blood calcium levels and coma.
鈥? Fluorosis symptoms include weight loss, brittleness of bones, anemia, weakness,
stiffness of joints, mottling of tooth enamel and osteosclerosis
Inhalation: Irritation to the nose, throat, mucous membranes and lungs; symptoms include
coughing, difficult breathing, thirst and loss of consciousness.
Eyes: Severe irritation, redness and pain
Skin contact: Severe irritation, redness and pain
Ingestion:
鈥? Gastrointestinal irritation with nausea, vomiting and diarrhea.
鈥? Central nervous system depression, convulsions and kidney damage may occur.
Carcinogenicity: See section 11.3
4. First-Aid Measures
General Recommendations:
4.1 Inhalation:
鈥? Remove to fresh air.
鈥? If breathing has stopped, give artificial respiration.
鈥? Get medical attention immediately.
Eyes:
鈥? Flush eyes with running water for 15 minutes, while keeping the eyelids wide open.
鈥? Seek medical attention immediately.
Skin:
鈥? Remove contaminated shoes, socks and clothing; wash the affected skin with soap and
water for 15 minutes.
鈥? Seek medical attention for irritation or burns.
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 2/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
Ingestion: Seek medical attention immediately.
If the subject is completely conscious:
鈥? Give subject large quantities of water to drink.
鈥? Do not induce vomiting
If the subject is unconscious:
鈥? NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSIOUS PERSON
鈥? Classical resuscitation measures.
4.2 Medical Treatment/Notes to Physician: None
5. Fire-Fighting Measures
5.1 Flash point: Not applicable
5.2 Auto-ignition Temperature: Not applicable
5.3 Flammability Limits: Not applicable
5.4 Unusual Fire and Explosion Hazards: May emit vapors of hydrogen fluoride or silicon
tetrafluoride if heated to decomposition
5.5 Extinguishing Methods
Common: Use extinguishing media suitable for surrounding materials.
Inappropriate extinguishing means: None
5.6 Fire Fighting Procedures
Specific hazards: May produce dangerous fumes if involved in fire.
Protective measures in case of intervention:
鈥? Wear appropriate apparel and NIOSH-approved respirators.
鈥? When intervening in close proximity wear acid resistant over-suit.
鈥? After intervention, proceed to clean the equipment (take a shower, remove clothing
carefully, clean and check).
Other precautions: Use water to cool containers exposed to fire.
6. Accidental Release Measures
6.1 Precautions:
鈥? Wear protective clothing and approved respirator when cleaning spills.
鈥? Follow the protective measures given in section 8.
6.2 Cleanup methods:
鈥? Sweep or shovel up and place into containers for disposal.
鈥? Flush spill area with plenty of water.
鈥? For disposal methods, refer to section 13.
6.3 Precautions for protection of the environment:
鈥? Immediately notify the appropriate authorities in case of significant discharge.
鈥? Do not discharge into the environment (sewers, rivers, soils, ...).
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 3/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
7. Handling and Storage
7.1 Handling:
鈥? Use only equipment and materials which are compatible with the product.
鈥? Wash thoroughly after handling
7.2 Storage:
鈥? Store in a cool, dry area
鈥? Keep container closed when not in use.
鈥? Keep away from excessive heat.
7.3 Specific Uses: See section 1.2
7.4 Other precautions:
鈥? Warn people about the hazards of the material.
鈥? Avoid dust and formation of dust clouds.
鈥? Follow the protective measures given in section 8.
7.5 Packaging: Contact supplier for suggestions.
8. Exposure Controls/Personal Protection
8.1 Exposure Limit Values - Potassium Fluorosilicate
TLV庐 ACGIH庐-USA OSHA PEL
Fluorides 2.5 mg/m3 (as F) 2.5 mg/m3 (as F)
ACGIH庐 and TLV庐 are registered trademarks of the American Conference of Governmental Industrial Hygienists.
8.2 Exposure Controls:
鈥? Follow the protective measures given in section 7.
鈥? Maintain employee exposure to levels below the applicable exposure limits.
8.2.1 Occupational Exposure Controls:
8.2.1.1 Ventilation:
鈥? Provide local ventilation suitable for the dust risk.
鈥? Avoid breathing dusts/mists
8.2.1.2 Respiratory protection: NIOSH/MSHA approved respirator for dusts.
8.2.1.3 Hand protection: Protective gloves - chemical resistant: neoprene, and rubber.
8.2.1.4 Eye protection: Chemical safety glasses
8.2.1.5 Skin protection: Wear appropriate apparel (apron/boots of PVC, neoprene,
rubber in case of dusts)
8.3 Other precautions:
鈥? Shower and eye wash stations.
鈥? Avoid contact with eyes, skin and clothing.
鈥? Do not swallow material.
鈥? Consult the industrial hygienist or the safety manager for the selection of personal
protective equipment suitable for the working conditions.
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 4/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
9. Physical and Chemical Properties
9.1 Appearance: Crystalline solid
Color: White
Odor: Odorless
9.2 Important Health, Safety and Environmental information:
pH: No data
Change of state:
Melting point: No data
Boiling point: None
Decompositon Temperature: 932掳F (500掳C)
Flash Point: Does not exhibit a flash point
Flammability: Not applicable
Explosive Properties: No data
Oxidizing Properties: No data
Vapor Pressure: Nil
Relative Density:
Specific gravity (H2O=1): 2.75
Solubility:
Water: Negligible
Fat: No data
Partition coefficient: P (n-octanol/water): No data
Viscosity: No data
Vapor Density (air=1): Not applicable
Evaporation Rate: Not applicable
10. Stability and Reactivity
10.1 Conditions to avoid: Temperatures above 932掳F (500掳C)
10.2 Materials and substances to avoid:
鈥? Cyanides
鈥? Reactive metals (aluminum and magnesium)
鈥? Strong acids
10.3 Hazardous decomposition products: Thermal decomposition may release hazardous
hydrogen fluoride and other fluoride compounds including silicon tetrafluoride.
10.4 Hazardous Polymerization: Will not occur.
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 5/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
11. Toxicological Information
11.1 Acute toxicity:
Inhalation: No data
Oral: LD50, rat, 125 mg/kg (Sodium Hexafluorosilicate)
Dermal: No data
Irritation: No data
Sensitization: No data
Comments: None
11.2 Chronic toxicity: No data
11.3 Carcinogenic Designation: None
12. Ecological Information
12.1 Acute ecotoxicity: No data
12.2 Chronic ecotoxicity: No data
12.3 Mobility: No data
12.4 Degradation
Abiotic: No data
Biotic: No data
12.5 Potential for bioaccumulation: No data
12.6 Other adverse effects /Comments: None
13. Disposal Considerations
13.1 Waste treatment: Consult current federal, state and local regulations regarding the proper
disposal of this material.
13.2 Packaging treatment: Consult current federal, state and local regulations regarding the
proper disposal of emptied containers.
13.3 RCRA Hazardous Waste: Not listed
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 6/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
14. Transport Information
Mode DOT IMDG IATA
UN Number 2655 2655 2655
Class (Subsidiary) 6.1 Poison Poison
Proper Shipping Name Potassium Fluorosilicate Potassium Fluorosilicate Potassium Fluorosilicate
Hazard label (Subsidiary) Poison Toxic Toxic
Marine Pollutant
Placard [Subsidiary]
Packing Group III III III
Reportable Quantity None
MFAG
Emergency Info ERG: 151 EmS: 6.1-04 ERG Code: 6L
STCC #
Other
15. Regulatory Information
National Regulations (US)
TSCA Inventory 8(b): Yes
SARA Title III Sec. 302/303 Extremely Hazardous Substances (40 CFR355): No
SARA Title III Sec. 311/312 (40 CFR 370):
Hazard Category: None
SARA Title III Sec. 313 Toxic Chemical Emissions Reporting (40 CFR 372): No
CERCLA Hazardous Substance (40CFR Part 302)
Listed Substance: No
Unlisted Substance: No
State Component Listing:
State Comment
CA Airborne Contaminants & Emissions Inventory
CA Hazardous Substance List
IL Toxic Substances Disclosure to Employees Act
IN Occupational Health & Safety Standards - Air
KY Occupational Health & Safety Standards - Air
MN Hazardous Substance List
NJ Right to Know Substance List
NC Exposure limits for Air Contaminants
PA Right to Know
RI Right to Know
National Regulations (Canada)
Canadian DSL Registration: DSL
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 7/8
Potassium Fluorosilicate
Potassium Fluorosilicate
Material Safety Data Sheet
WHMIS Classification: D2B - Material causing other toxic effect
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the
MSDS contains all the information required by the Controlled Products Regulations.
Labeling according to Directive 1999/45/EC.
Category ID Phrase
Symbols
Phrases R 23/24/25 Toxic by inhalation, in contact with skin and if swallowed.
Phrases S 1/2 Keep locked up and out of the reach of children.
26 In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice.
45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label whenever possible).
16. Other Information
16.1 Ratings:
NFPA (NATIONAL FIRE PROTECTION ASSOCIATION)
Health = 3 Flammability = 0 Instability = 0 Special = None
HMIS (HAZARDOUS MATERIAL INFORMATION SYSTEM)
Health = 3 Fire = 0 Reactivity = 0 PPE = Supplied by User; dependent on local conditions
16.2 Other Information:
The previous information is based upon our current knowledge and experience of our product and
is not exhaustive. It applies to the product as defined by the specifications. In case of
combinations or mixtures, one must confirm that no new hazards are likely to exist. In any case,
the user is not exempt from observing all legal, administrative and regulatory procedures relating
to the product, personal hygiene, and integrity of the work environment. (Unless noted to the
contrary, the technical information applies only to pure product).
To our actual knowledge, the information contained herein is accurate as of the date of this
document. However, neither Solvay Fluoride, LLC. nor any of its affiliates makes any warranty,
express or implied, or accepts any liability in connection with this information or its use. This
information is for use by technically skilled persons at their own discretion and risk and does
not relate to the use of this product in combination with any other substance or any other
process. This is not a license under any patent or other proprietary right. The user alone must
finally determine suitability of any information or material for any contemplated use, the
manner of use and whether any patents are infringed. This information gives typical properties
only and is not to be used for specification purposes.
Material Safety Data Sheets contain country-specific regulatory information; therefore, this
MSDS is for use only by customers of Solvay Fluoride, LLC. in the United States of America
and, if specifically indicated, Canada and Mexico. If the user is located in a country other than
the United States, please contact the Solvay company serving your country for MSDS
information applicable to your location.
Trademarks and/or other Solvay Fluoride, LLC. products referenced herein are either
trademarks or registered trademarks of Solvay Fluoride, LLC. or its affiliates, unless otherwise
indicated.
16.3 Reason for revision:
Supersedes edition: Solvay Fluorides Inc. MSDS dated 10/8/1996
Purpose of revision: Change Company name and MSDS format
MSDS No. KFSI-1103 Revised 11-19-03
Copyright 2003, Solvay Fluorides, LLC
A subsidiary of Solvay Chemicals, Inc.
All Rights Reserved.
www.solvaychemicals.us 1.800.765.8292
Page 8/8
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