- Ammonium fluorosilicate
- Ammonium hexafluorosilicate
Odorless to white crystalline powder.
In pesticides, mothproofing agents, and laundry souring agents. As a disinfectant in the brewing industry and as a glass echant. As a sand inhibitor in magnesium metal casting and as a soldering flux.
Registry Numbers and Inventories.
Agricultural Chemical and Pesticide
2.011 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Transport or store away from strong acids. Transport or store in a dry place.
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Wear appropriate protective gloves, clothing and goggles.
Wear positive pressure self-contained breathing apparatus (SCBA).
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stable at normal temperatures and pressures.
Toxic & irritating hydrogen fluoride gas.
Use method most appropriate to fight surrounding fire.
Generation of hydrogen fluoride gas.
Fire may produce irritating, corrosive and/or toxic gases.
TLV: 2.5 mg/m3 (as F)
May cause musculo-skeletal effects. May cause skeletal abnormalities characteri- sed by calcification of ligaments and spine, stiff joints. Repeated or prolonged exposure may cause a rash to develop. May aggravate pre-existing respiratory diseases.
Moderately toxic and slightly irritative.
Toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
Avoid any skin contact. See Inhalation.
Seek medical assistance.
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
Immediately flush with running water for at least 20 minutes.
USCG CHRIS Code