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Adsorbents, Ion Exchangers & Molecular Sieves

Silica, 99.8%

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Silica, 99.8% (CAS 112945-52-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-001703.

Pack sizes
Silica, 99.8% chemical structure
CAS number112945-52-5
FormulaO2Si
Molar mass60.08 g/mol
Physical formPowder
HS code29420090
Purity99.8%
InChIKeyVYPSYNLAJGMNEJ-UHFFFAOYSA-N
IUPAC namedioxosilane

About Silica, 99.8%

Silica, 99.8% sits in our adsorbents, Ion Exchangers & Molecular Sieves section and ships worldwide from stock or short lead time. Identity at a glance (99.8%): CAS 112945-52-5, formula O2Si and molar mass 60.08 g/mol. Expect white powder.

Where it is used

  • Column chromatography
  • Adsorption & purification
  • Drying & decolourising
  • Organic synthesis

Handling and storage

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 100 g, 500 g and 5 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Column chromatography
  • Adsorption & purification
  • Drying & decolourising
  • Organic synthesis

Applications

Research Labs and Universities

Specifications and identifiers

Specifications of Silica, 99.8%
Product nameSilica, 99.8%
Catalogue numberZX-001703
CAS number112945-52-5
IUPAC namedioxosilane
Molecular formulaO2Si
Molar mass60.08 g/mol
Exact mass59.9668
Purity / assay99.8%
Physical formPowder
AppearanceWhite powder
H-bond donors / acceptors0 / 2
Topological polar surface area34.1 Ų
HS code29420090
InChIKeyVYPSYNLAJGMNEJ-UHFFFAOYSA-N
SMILESO=[Si]=O
PubChem CID24261
Synonymsfumed, Silicic anhydride, Silicon dioxide amorphous, Silicon dioxide, Diatomaceous silica, Zorbax sil, Silica, amorphous, Silica, colloidal, Neosyl, colloidal silica, White carbon, Silicone dioxide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Silica, 99.8%
100 gQuoted on request
500 gQuoted on request
5 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Silica, 99.8%

Which CAS number identifies Silica, 99.8%?
Silica, 99.8% is registered under CAS 112945-52-5. You may also see it listed as fumed, Silicic anhydride, Silicon dioxide amorphous. Our catalogue number for this item is ZX-001703.
What are the formula and molar mass of Silica, 99.8%?
For Silica, 99.8%, its formula is O2Si and its molar mass is 60.08 g/mol. The systematic (IUPAC) name is dioxosilane. InChIKey VYPSYNLAJGMNEJ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Silica, 99.8%?
This listing is 99.8% purity. Standard packs are 100 g, 500 g, 5 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Silica, 99.8%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Silica, 99.8% to my country?
Yes. Because Silica, 99.8% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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