Potassium orthosilicate

247.8114110

215-199-1

55R0S6LC84

COLORLESS OR YELLOWISH, TRANSLUCENT, GLASS-LIKE PIECES|(SOLID) COLORLESS ANHYDROUS LUMP, SHATTERED OR GRANULAR; (SOLN) COLORLESS LIQ

SOL IN COLD & HOT WATER; INSOL ALC /META & TETRASILICATE/|USUALLY VERY SLOWLY SOL IN COLD WATER|DEPENDING ON COMPOSITION, ALMOST INSOL IN COLD WATER|SOL IN WATER WHEN HEATED WITH IT UNDER PRESSURE|INSOL IN ALC

THE AQ LIQ CAN BE STORED IN TIGHTLY CLOSED STEEL DRUMS OR IN OTHER NONREACTIVE CONTAINERS, BUT WILL REACT SLOWLY WITH GLASS & ABSORB CO2, OR LOSE WATER EVEN THOUGH CORKED TIGHTLY. CRYSTALLIZATION MAY OCCUR IF SOLN ARE KEPT HOT OR ARE SEEDED. /SOL SILICATES/

VARIABLE COMPOSITION: K2SI2O5 TO K2SI3O7; MAY ALSO CONTAIN WATER; STRONG ALKALINE REACTION; HYGROSCOPIC; DECOMP BY ACIDS WITH PPTN OF SILICA|(SOLID) WEIGHT RATIO SIO2:K2O VARIES WITH GRADE, AS 2.1:1, 2.5:1; BE' RANGE 29-48 DEG|COLORLESS RHOMBIC CRYSTALS /DI & METASILICATE/|INDEX OF REFRACTION: 1.502, 1.513; DENSITY: 2.456 @ 25 °C/4 °C; MP: 1015 +/- 10 °C /DISILICATE/|INDEX OF REFRACTION: 1.520, 1.528; MP: 976 °C /METASILICATE/|INDEX OF REFRACTION: 1.495 (ALPHA), 1.535 (BETA); DENSITY: 2.417; MP: 400 °C; WHITE, RHOMBIC CRYSTALS /TETRASILICATE/

|Danger|H290 (14.84%): May be corrosive to metals [Warning Corrosive to Metals]|P234, P260, P261, P264, P271, P280, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P337+P313, P362, P363, P390, P403+P233, P404, P405, and P501|Aggregated GHS information provided by 1460 companies from 30 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 13 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

GOGGLES OR A FACE SHIELD SHOULD BE USED IN HANDLING THESE ALKALINE PRODUCTS, & THE GRANULES SHOULD BE ADDED SLOWLY TO THE SOLN WHEN DISSOLVING. /SOL SILICATES/

"KASIL" TRADEMARK FOR A GROUP OF SOLUBLE SILICATES OF POTASSIUM WHICH VARY FROM A CLEAR, THIN SYRUPY SOLUTION TO COLORLESS PLATES OR LUMPS. /KASIL/

Agriculture, forestry, fishing and hunting|Silicic acid, potassium salt: ACTIVE

EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives|Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern|Cosmetics -> Anticorrosive; Buffering; Viscosity controlling