Basic information
- Name:
Sodium fluorosilicate
- CAS No.:
16893-85-9
- Molecular Structure:
- Formula:
- F6Na2Si
- Molecular Weight:
- 188.06
- Deleted CAS:
- 12656-12-1|1310-02-7|1344-04-3|221174-64-7|39413-34-8
- Synonyms:
- Silicate(2-),hexafluoro-, disodium (8CI,9CI);Disodium hexafluorosilicate(2-);KFN;Keifuka Soda;Prodan (pesticide);Silicate(2-),hexafluoro-, sodium (1:2);Sodiumfluosilicate;Sodium fluosilicate (Na2(SiF6));Sodium hexafluorosilicate (Na2SiF6);Sodium Fluosilicate;
- EINECS:
- 240-934-8
- Density:
- 2.68 g/mL at 25 °C(lit.)
- Appearance:
- white crystalline powder
- Hazard Symbols:
T,
Xi- Risk Codes:
- 23/24/25
- Safety Description:
- 26-45 Details
- Transport Information:
- UN 2674 6.1/PG 3
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Chemistry
Structure of Sodium fluorosilicate (CAS NO.16893-85-9):
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IUPAC Name: disodium hexafluorosilicon(2-)
Empirical Formula: F6Na2Si
Molecular Weight: 188.06
EINECS: 240-934-8
Density: 2.68
Stability: Stable. Incompatible with oxidizing agents, water. Moisture sensitive.
Product Categories: Inorganic Chemicals;Inorganics;Analytical Reagents for General Use;Puriss p.a.;Q-S, Puriss p.a.;Metal and Ceramic Science;Salts;Sodium Salts
Synonyms of Sodium fluorosilicate (CAS NO.16893-85-9): Destruxol applex ; Disodium hexafluorosilicate (2-) ; Disodium hexafluorosilicate (8CI)(9CI) ; Disodium silicofluoride ; Ens-zem weevil bait ; Fluorosilicate de sodium ; Natriumhexafluorosilicat ; Natriumsilicofluorid ; Ortho earwig bait ; Ortho weevil bait ; Prodan ; Safsan ;
Salufer ; Silicon sodium fluoride ; Sodium fluosilicate ; Sodium hexafluorosilicate ; Sodium hexafluosilicate ; Sodium silicofluoride ; Sodium silicon fluoride ; Super prodan
Uses
Sodium fluorosilicate (CAS NO.16893-85-9) is used as analytical reagent, preservatives, fungicides, also used in the Enamel Industry.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg MLD | FCTOD7 Food and Chemical Toxicology. 20 (1982),563. | ||
| 2. | eye-rbt 100 mg SEV | FCTOD7 Food and Chemical Toxicology. 20 (1982),573. | ||
| 3. | eye-rbt 100 mg/4S rns SEV | FCTOD7 Food and Chemical Toxicology. 20 (1982),573. | ||
| 4. | orl-rat LD50:125 mg/kg | ARSIM* Agricultural Research Service, USDA Information Memorandum. 20 (1966),21. | ||
| 5. | scu-rat LDLo:70 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 39 (1930),246. | ||
| 6. | orl-rbt LDLo:125 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 39 (1930),246. | ||
| 7. | scu-frg LDLo:448 mg/kg | CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. 124 (1937),133. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Information of Sodium fluorosilicate (CAS NO.16893-85-9):
Hazard Codes:T 
,Xi 
Risk Statements:23/24/25
23/24/25:Toxic by inhalation, in contact with skin and if swallowed
Safety Statements:26-45
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 label where possible)
RIDADR:UN 2674 6.1/PG 3
WGK Germany:2
RTECS:VV8410000
Hazard Note:Irritant
TSCA:Yes
HazardClass:6.1
PackingGroup:III
Poison by ingestion and subcutaneous routes. A skin and severe eye irritant. An insecticide. When heated to decomposition it emits very toxic fumes of F− and Na2O.
Standards and Recommendations
OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Inorganic Fluorides) TWA 2.5 mg(F)/m3
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD