LUDOX® HS-30 colloidal silica
ALDRICH/420824 - 30 wt. % suspension in H2O
Synonym: Silica preparation
CAS Number: 7631-86-9
Empirical Formula (Hill Notation): O2Si
Molecular Weight: 60.08
MDL Number: MFCD00011232
Linear Formula: SiO2
Product Type: Chemical
| concentration | 30 wt. % suspension in H2O |
| density | 1.21 g/mL at 25 °C |
| description | colloidal |
| form | liquid |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
| pH | 9.8 |
| Quality Level | 100  |
| SMILES string | O=[Si]=O |
| storage temp. | room temp |
| surface area | ~220 m2/g |
| Application: | LUDOX® HS-40 colloidal silica can be used: • For the synthesis of polymer–inorganic nanocomposites by directional freezing. • To synthesize colloidal suspensions of zeolite Y and zeolite A nanocrystals by hydrothermal method. • As a model for colloidal silica foulants to study the membrane fouling. |
| General description: | LUDOX® HS-40 colloidal silica is the dispersion of monodispersed colloidal silica particles having the size smaller than 100 nm. It contains sodium stabilizing counterion. |
| Legal Information: | LUDOX is a registered trademark of W.R. Grace & Co.-Conn. |
| Packaging: | 1, 4 L in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 1.21 g/mL at 25 °C |
| Storage Temp. | room temp; room temp; room temp |
| UNSPSC | 12352309 |