420824
LUDOX® HS-30 colloidal silica
30 wt. % suspension in H2O
Synonym(s):
Silica preparation
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
NA.22
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description
colloidal
form
liquid
concentration
30 wt. % suspension in H2O
surface area
~220 m2/g
pH
9.8
density
1.21 g/mL at 25 °C
storage temp.
room temp
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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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.
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.
Legal Information
LUDOX is a registered trademark of W.R. Grace & Co.-Conn.
Storage Class Code
10 - Combustible liquids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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