can this be used to make hydrated silica?

It can be used to make hydrated silica, - but it is quite an involved process, we sell silica gel in bead form that can be made into a neutral, hydrated silica much more easily by crushing and adding water.

There are three grades 1) Pharmaceutical 2) Food 3) Feed As you might expect pharmaceutical is the most expensive You might try https://www.amazon.com/dp/B00025H2PY/ and save some coin

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Silicon Dioxide [SiO2] 99.6% Pharmaceutical Grade Powder 4 Oz in a Bottle

Product ID: 197340467

Details

Brand
Eisen-Golden
Item Form
Powder
Item Volume
4 Fluid Ounces
Item Weight
7.1 Pounds
Package Information
Bottle

💎99.6% pharmaceutical purity

🧴space-saving polypropylene bottle

⚖️4 oz precise weight

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Description

💎 Elevate your lab game with ultra-pure Silicon Dioxide—because precision never goes out of style.

SECURE FRESH - Shrink-wrapped screw top and sealed packaging guarantee product integrity from shelf to lab.
COMPACT CONVENIENT - 4-ounce fine powder in a sleek, space-saving square bottle fits perfectly on any shelf or lab bench.
ULTRA PURE PRECISION - 99.6% pharmaceutical-grade purity ensures top-tier performance in sensitive applications.
VERSATILE POWERHOUSE - Ideal for microelectronics, pharmaceuticals, anti-caking, mold release, and more—your all-in-one solution.
EFFORTLESS DISPENSING - Wide-mouth bottle design allows for easy, spill-free powder handling and precise dosing.

This 4-ounce bottle of 99.6% pure pharmaceutical-grade Silicon Dioxide (SiO2) offers a finely powdered, versatile ingredient essential for advanced industrial, pharmaceutical, and scientific applications. Packaged in a durable, space-saving polypropylene bottle with a wide mouth for easy dispensing, it ensures secure, spill-free use and long-lasting freshness.

Specifications

ASIN	B083H3FPZP
Best Sellers Rank	#218,942 in Health & Household ( See Top 100 in Health & Household ) #2,641 in All-Purpose Household Cleaners
Brand Name	Eisen-Golden Laboratories
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (42)
Item Form	Powder
Item Weight	7.1 Pounds
Manufacturer	Eisen-Golden Laboratories
Part Number	EG-SIO2-PDR-4/1
UPC	655711976009
Unit Count	1.00 Count
Volume	4 Fluid Ounces

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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