LCI, Ltd. The Fluoride Specialists

MATERIAL SAFETY DATA SHEET   

This information is provided for your protection by:

LCI,Ltd.
P. O. Box 49000
Jacksonville Beach, FL 32240-9000
904-241-1200

24 Hour Emergency Assistance:
Chemtrec: 800-424-9300



Potassium Fluorosilicate
 
 
Section I Product Name and Description
Section II Personal Protection Information
Section III Health Information
Section IV Emergency and First Aid Procedures
Section V Ingredients
Section VI Physical Data
Section VII Reactivity
Section VIII Fire and Explosion Hazards
Section IX Storage and Special Precautions
Section X Transportation Requirements
Section XI Emergency Action - Spill or Leak



Section I

PRODUCT NAME AND DESCRIPTION


DOT Chemical Name: Potassium Fluorosilicate
Synonyms: Potassium Silicofluoride,
Potassium Fluosilicate,
Dipotassium Hexafluosilicate
Chemical Family: Inorganic Fluoride Formula: K2SiF6
CAS Number:16871-90-2   NIOSH Number:8410000


Note: N/A indicates Not Applicable where shown.


Section II

PERSONAL PROTECTION INFORMATION

Respiratory Protection:  A NIOSH approved respirator should be worn. Self-contained breathing apparatus may be required when chemical is heated to decomposition or in a spill area.

Eye and Face Protection: Splash-proof goggles should be worn when there is danger of splash from solution containing chemical. Protection against splash or mist from solution containing chemical with 8-inch minimum face shield is recommended. Eye protection should be worn in presence of dry chemical, or solution containing chemical, at all times.

Hand, Arm and Body Protection: Impervious gloves should be worn. Protective, impervious clothing should be worn in presence to prevent contact with skin (coveralls, boots, etc.)

Other Protective Clothing and Equipment: Protect open wounds. Heating to decomposition requires full protective clothing and self-contained breathing apparatus.

Engineering Controls: Adequate ventilation to maintain fluoride concentrations below applicable standards.

Section III

HEALTH INFORMATION

OSHA Permissible Exposure Limit (PEL): 2.5mg/m3(as F)

ACGIH Threshold Limit Value (TLV): 2.5mg/m3(as F)

Listing in the following:
  New Jersey "Right to Know" laws -   Yes
  Toxic Substances Control Act Inventory of toxic Substances (TSCA) -   Yes
  Workplace Hazardous Materials Information System (WHMIS) -   Yes

OSHA Health Hazard Classification: Toxic.

Primary Route(s) of Entry: Eye and skin contact, inhalation

Symptoms of Exposure:

Acute: Fluoride dust may cause irritation to eyes and respiratory tract. Swallowing fluoride dust may cause nausea, vomiting, abdominal pain or burning, diarrhea, shortness of breath, difficulty in speaking, thirst, weakness of pulse, disturbed color vision, muscular weakness, convulsions, loss of consciousness and death. Kidney injury and bleeding from injury may occur.

Chronic: Repeated exposure above the PEL or TLV to fluoride dust may cause excessive calcification of ligaments of the ribs, pelvis and spinal column. Sclerosis of changes of bones and ligaments can be seen by x-ray. Enzyme system effects and pulmonary fibrosis are reported. Stiffness and limitation of motions may result. Common findings are eye, skin, and mucous membrane irritation, loss of weight, anorexia, anemia, wasting, cachexia, and dental defects. Repeated or prolonged exposure to the skin may cause skin rash.

Aggravated Medical Condition: Pre-existing respiratory diseases including asthma and emphysema.

toxic Data: 125 mg/kg (Oral - Rat)

Section IV

EMERGENCY AND FIRST AID PROCEDURES

Inhalation: If a person breathes in chemical dust, remove exposed person promptly to fresh air. If breathing has stopped, perform artificial respiration. Oxygen should be provided for a person having difficulty breathing (but only administered by an authorized individual) until the person is able to breath easily by themselves. Keep the affected person warm and at rest. Get medical attention as soon as possible.

Eye Contact: Flush eyes with large amounts of water, lifting the upper and lower lids at periodic intervals to insure contact of water with all accessible tissue of the eyes and lids. Medical attention should be given as soon as possible, preferably an eye specialist.

Skin Contact: Promptly wash the contaminated skin using soap or mild detergent and water. If chemical, or solution containing chemical, soaks through clothing, remove the clothing promptly and wash the skin using soap or mild detergent and water. Medical attention should be given as soon as possible for all burns, regardless of how minor thy seem.

Ingestion: If conscious, give the exposed person large quantities of water immediately. Do NOT induce vomiting. Several glasses of milk may be given for its soothing effect. A physician should be contacted immediately.

Note to Physician: Exposed person should be observed for 48 - 72 hours for delayed onset of pulmonary edema.

Section V

INGREDIENTS

Composition         Percentage
K2SiF6         98.00
H2O         0.20


Section VI

PHYSICAL DATA

Melting Point: Decomposes @ 500°C Specific Gravity (H2O=1):  2.746
Bulk Density 85-90 lbs/Ft3(1.36 -1.44 Kg/L) Percent Volatile by Volume: N/A
Vapor Density (Air=1) N/A pH: Not Available
Solubility in Water:  0.177 grams/100 ml of water @ 25°C
Evaporation Rate: N/A Physical State: Solid, granules
Molecular Weight: 220.27 Vapor Pressure (mm Hg): N/A
Appearance and Odor: White, odorless, granular, crystalline material.
Section VII

REACTIVITY

Stability: Stable.

Hazardous Polymerization: Will not occur.

Conditions and Materials to Avoid: Contact with strong acids and alkalis,such contact will cause formation of hydrogen fluoride gas.

Hazardous Decomposition Products: Temperatures above 500°C, such as fires, will cause decomposition and formation of hydrofluoric acid and fluorine.

Section VIII

FIRE AND EXPLOSION HAZARDS

Flash Point and Method Used: N/A

Flammable Limits - % Volume in Air:  Lower  N/A   Upper  N/A

Extinguishing Media: This chemical is not flammable, but for fires in area where this chemical is stored, use foam, dry chemicals or CO2.

Special Fire Fighting Procedures and Precautions: When this product is heated to decomposition (500°C), it will generate highly toxic gases such as hydrogen fluoride.

Auto Ignition Temperature: N/A

Unusual Fire and Explosion Hazards: Extreme temperatures, such as fires, will cause decomposition and formation fluorine. Firefighters should avoid all bodily contact, wear full protective clothing and self-contained breathing apparatus.

Section IX

STORAGE AND SPECIAL PRECAUTIONS

Handling and Storing Precautions: Store in a cool, dry place and away from acids. Use only with adequate ventilation, dust mask or self-contained breathing apparatus. Protective clothing should always be worn. Avoid contact with eyes, skin, and clothing. Keep bag or container closed when not in use. Avoid breathing dust or mist.

Ventilation: Provide adequate general and/or local exhaust to maintain vapors below acceptable air level maximums.

Other Precautions: Do not get on skin, clothing, or in eyes. Wash off with water. Do not take internally. Do not breathe dust. Keep separated from strong acids and alkalis.



Section X

TRANSPORTATION REQUIREMENTS

DOT Proper Shipping Name:  Potassium Fluorosilicate Packing Group:  III
DOT Hazard Class: Toxic 6.1 Subsidiary Hazard Class: N/A
Identification Number: UN 2655 Reportable Quantity: N/A
Placarding Requirement: Toxic. EPA Hazardous Substance: No
IMDG Placarding Requirement: Toxic.
RCRA Status of Unused Material if Discarded: Not Listed
Hazardous Waste Number: Not Listed
Waste Disposal Method: Disposer must comply with federal, state and local disposal or discharge laws.
Additional Comments: For International transportation, Sodium Fluorosilicate is regulated by the International Maritime Organization (IMO) and the International Air Transport Association (IATA)for vessel and air movement as a Class 6.1 toxic and NOT marked as a marine pollutant, (MDG pg. 6250). Packaging, marking, labelling and shipping paper descriptions must precisely reflect the regulation for export movement.

Section XI

EMERGENCY ACTION - SPILL OR LEAK

Emergency Action: Keep unnecessary people away. Stay upwind, keep out of low areas. Isolate hazard area and deny entry. Ventilate closed spaces before entering them. We recommend that the user establish a spill prevention, control and countermeasure plan. This plan should include procedures for proper storage as well as containment and clean-up of spills and leaks. The procedures should conform to safe practices and provide for proper recovery and disposal in accordance with federal, state and local regulation. Contact Chemtrec at 1-800-424-9300 for 24-hour emergency assistance.

Small Spills: Employees should be trained in safety procedures for storage and handling this product. Any personnel in area should wear a NIOSH approved breathing apparatus and protective clothing. Isolate product spill area. Carefully shovel material and place in clean, dry container and cover. Remove container from spill site and dispose of in accordance with federal, state and local regulations. Contact Chemtrec at 1-800-424-9300 for 24-hour emergency assistance.

Large Spills: Contact Chemtrec at 1-800-424-9300 for 24-hour emergency assistance. Employees should be trained in safety procedures for the storage and handling of this product. Any personnel in area should wear a NIOSH approved breathing apparatus and protective clothing. Isolate product spill area. Carefully shovel material and place in clean, dry container and cover. Remove container from spill site and dispose of in accordance with federal, state and local regulations.

DISCLAIMER

The information presented herein is based on data considered to be accurate and that reflects the requirements of the OSHA Hazard Communication Standards in effect as of the date of preparation of this Material Safety Data Sheet. However, no warranty or representation, express or implied, is made as to the accuracy or completeness of the foregoing data and safety information. In addition, no responsibility can be assumed by vendor for any damage or injury resulting from abnormal use, from any failure to adhere to recommended practices, or from any hazards inherent in the nature of the product.