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Ammonium hexafluorosilicate 16919-19-0 MSDS
Name: Ammonium hexafluorosilicate, 99.999% Material Safety Data Sheet
Synonym: Ammonium Silicofluoride; Cryptophthalite; Ammonium Fluorosilicate
CAS: 16919-19-0
Section 1 - Chemical Product MSDS Name: Ammonium hexafluorosilicate, 99.999% Material Safety Data Sheet
Synonym: Ammonium Silicofluoride; Cryptophthalite; Ammonium Fluorosilicate
SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
16919-19-0 Ammonium Hexafluorosilicate 99.999 240-968-3
Hazard Symbols: None Listed.
Risk Phrases: None Listed.
SECTION 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Not available. Potential Health Effects
Eye:
Causes severe eye irritation.
Skin:
Causes severe skin irritation.
Ingestion:
Ingestion of large amounts of fluoride may cause salivation, nausea, vomiting, abdominal pain, fever, labored breathing. Exposure to fluoride compounds can result in systemic toxic effects on the heart, liver, and kidneys. It may also deplete calcium levels in the body leading to hypocalcemia and death. Fluoride can reduce calcium levels leading to fatal hypocalcemia.
Inhalation:
May cause respiratory tract irritation.
Chronic:
No information found.
SECTION 4 - FIRST AID MEASURES
Eyes:
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:


SECTION 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use agent most appropriate to extinguish fire.
SECTION 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
SECTION 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Do not store in glass. Store in a cool, dry area away from incompatible substances.
SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 16919-19-0: Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Powder
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 2.011
Molecular Formula: H8F6N2Si
Molecular Weight: 178.1453
SECTION 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids.
Hazardous Decomposition Products:
Nitrogen oxides, hydrogen fluoride gas, fluoride fumes, ammonia.
Hazardous Polymerization: Has not been reported
SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 16919-19-0: VV7800000
LD50/LC50:
CAS# 16919-19-0: Oral, mouse: LD50 = 70 mg/kg.
Carcinogenicity:
Ammonium Hexafluorosilicate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
SECTION 12 - ECOLOGICAL INFORMATION
Ecotoxicity:
Fish: Fathead Minnow: LC50 = 25.8 mg/L; 96 Hr.; Static Conditions
SECTION 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations.
SECTION 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material.
USA RQ: CAS# 16919-19-0: 1000 lb final RQ; 454 kg final RQ
SECTION 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases: WGK (Water Danger/Protection) CAS# 16919-19-0: 2 Canada CAS# 16919-19-0 is listed on Canada's DSL List. CAS# 16919-19-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 16919-19-0 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION
MSDS Creation Date: 6/24/1999 Revision #2 Date: 3/18/2003 The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no way shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if the company has been advised of the possibility of such damages.

SECTION 16 - ADDITIONAL INFORMATION
N/A

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