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Sigma-Aldrich

Sodium silicate solution

reagent grade

Synonym(s):

Sodium trisilicate solution, Water glass

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About This Item

Linear Formula:
Na2O(SiO2)x · xH2O
UNSPSC Code:
12352300
NACRES:
NA.55

grade

reagent grade

form

liquid

composition

Na2O, ~10.6%
SiO2, ~26.5%

concentration

12.0-13.0% Si (gravimetric)
13.4-14.4% NaOH (titration by HCl, titration)

technique(s)

ion chromatography: suitable

density

1.39 g/mL at 25 °C

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Application

Employed in preparation of NaZnSiO3OH, a novel chiral framework material which has potential application in ion exchange, adsorption and catalysis.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sodium metasilicate nonahydrate BioReagent, suitable for plant cell culture, ≥98%

Sigma-Aldrich

S5904

Sodium metasilicate nonahydrate

Liang Lyu et al.
Food chemistry, 289, 369-376 (2019-04-09)
The effects of postharvest treatment with sodium silicate (Si) (100 mM) on mitochondrial ROS production and energy metabolism of the muskmelon fruits (cv. Yujinxiang) on development of defense responses to Trichothecium roseum were studied. Si treatment decreased decay severity of inoculated
A. M. Healey et al.
Inorganic chemistry, 38(3), 455-458 (2001-10-25)
The structure of NaZnSiO(3)OH, synthesized hydrothermally by reaction of Na(2)ZnSiO(4) and NaOH, has been determined from single-crystal X-ray and powder neutron diffraction data (orthorhombic, space group P2(1)2(1)2(1,) a = 7.6872(2) Å, b = 9.3899(2) Å, c = 5.155(1) Å, Z

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