Molecular sieves, 4 Å
SIGALD/688363 - powder, activated, −325 mesh particle size
Synonym: SYLOSIV® A4; Sodium Alumino-Silicate
CAS Number: 70955-01-0
MDL Number: MFCD00147627
Linear Formula: Na12[(AlO2)12(SiO2)12] · xH2O
Product Type: Chemical
form | powder |
particle size | −325 mesh |
pore size | 4 Å |
Quality Level | 100 ![]() |
Application: | Molecules with an effective diameter of 4 Å, including H2O, H2S, CO2, SO2, C2H4 and C3H6 are adsorbed. |
General description: | Molecular sieves are made up of three dimensional interconnecting networks of silica and alumina tetrahedral. These crystalline metal aluminosilicates have uniform cavities to selectively adsorb specific size molecules. A 4A molecular sieve has an effective pore size of 4Å. |
Legal Information: | SYLOSIV is a registered trademark of W.R. Grace & Co.-Conn. |
Packaging: | 1 kg in poly bottle |
Packaging: | 2.5 kg in poly drum |
Packaging: | 25, 500 g in poly bottle |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H315 - H319 - H335 |
Precautionary statements | P261 - P264 - P280 - P280 - P304 + P340 + P312 - P337 + P313 |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
UNSPSC | 23201100 |