Keiselguhr, purified

Name: Keiselguhr, purified
Brand: Vaqora Chemicals
SKU: VQ-011486

About Keiselguhr, purified

Keiselguhr, purified is an organic building block in Microscopy grade carrying the CAS registry number 91053-39-3. Alternative names: Infusorial earth.

In its supplied form it is a white powder. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 500 g, 1 kg, 5 kg and 25 kg packs, Keiselguhr, purified is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Keiselguhr, purified
Catalogue No.	VQ-011486
CAS Number	91053-39-3
Grade	Microscopy
HSN code	38029019

Physical properties
Physical form	Powder
Appearance	White powder

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H335May cause respiratory irritation
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P261, P305 + P351 + P338

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 91053-39-3

AR

Keiselguhr G, AR

CAS: 91053-39-3

VQ-046806

Keiselguhr G, for TLC

CAS: 91053-39-3

VQ-011485

Frequently asked questions

What is the CAS number of Keiselguhr, purified?

The CAS Registry Number of Keiselguhr, purified is 91053-39-3. It is also known as Infusorial earth.

Which grade and pack sizes of Keiselguhr, purified can I order?

We supply Keiselguhr, purified in Microscopy grade, in 500 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Keiselguhr, purified?

Yes. Every lot of Keiselguhr, purified is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Keiselguhr, purified be shipped internationally?

Yes. Keiselguhr, purified is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.