420840
LUDOX® AS-40 colloidal silica
40 wt. % suspension in H2O
Synonym(s):
Silica preparation
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352309
MDL number:
description
colloidal
Quality Level
form
liquid
concentration
40 wt. % suspension in H2O
surface area
~135 m2/g
pH
9.1
density
1.295 g/mL at 25 °C
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
LUDOX® AS-40 colloidal silica is used as a silica source in the preparation of zeolites.
Application
Ludox AS-40 is used as:
- A filler material in the nanocomposite Nafion films
- A precursor in the synthesis of micro-mesoporous carbon spheres
Legal Information
LUDOX is a registered trademark of W.R. Grace & Co.-Conn.
Storage Class
12 - Non Combustible Liquids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
420840-1L:4.548173940656E12 + 420840-18L:4.548173940649E12 + 420840-4L:4.548173940663E12
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Separation of water?acetic acid mixtures by pervaporation using a thin mordenite membrane.
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Salt enhanced solvent relaxation and particle surface area determination via rapid spin-lattice NMR.
Elliott L N, et al.
Powder Technology, 333, 458-467 (2018)
The static aging effect on the seedless synthesis of different ranges FAU-type zeolite Y at various factors
Al-Jubouri, et al.
Iraqi Journal of Chemical and Petroleum Engineering, 20, 7-13 (2019)