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Boiling Stones


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Boiling Stones

Boiling stones are unevenly-shaped substances that are added to liquids to stabilize. Chemically-inert, anti-bumping granules come in a variety of particle sizes. With a porous nature, boiling chips can successfully trap air in cavities to form solvent vapor bubbles continuously as long as the liquid remains at boiling point. Made of materials like silicon carbide or calcium carbonate, these chips provide nucleation sites to ensure smooth boiling and prevent bumping. Without the stones, liquids have a tendency to superheat then violently boil over. Boiling stones prevent intense reagent splattering, equipment damage, or the experiment being negatively impacted.


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Catalog Number: (26397-409)

Supplier:  Walter Stern
Description:   Treated, micro-porous, chemically inert carbon chips eliminate “bumping” in either aqueous or non-aqueous boiling liquids.
MSDS SDS

Supplier:  Saint Gobain Performance Plastics
Description:   Ultra-pure, virgin PTFE chips.
Supplier:  MilliporeSigma
Description:   Boiling chips for Kjeldahl digestion.
Catalog Number: (700002-122)

Supplier:  Spectrum Chemicals
Description:   Boiling Chips, also known as boiling stones, are tiny pieces of an inert substance added to certain liquids to help them boil more calmly. Ungraded p...
Small Business Enterprise
Supplier:  Hengar
Description:   These plain granules effectively prevent super-heating of boiling liquids with the accompanying spasmodic, explosive formation of vapors.
Small Business Enterprise

Supplier:  Walter Stern
Description:   Solid glass beads, 6 mm.
Supplier:  Hengar
Description:   High purity, white, amphoteric alundum granules.
Small Business Enterprise
Catalog Number: (43300-306)

Supplier:  Hengar
Description:   Hengar granules effectively prevent super-heating with its attendant dangerous explosive vaporization commonly known as "bumping".
Small Business Enterprise

Supplier:  Honeywell Research Chemicals
Description:   Boiling stones, CAS Number: 1344-28-1, Grade: Analytical Reagent, Molar Mass: 101.96 g/mol, Synonyms: Anti-bumping granules, Adsorbent Filter Aid, Sieve analysis: > 1 mm min. 95 %, Particle size 1-3 mm, Density: 4.0 g/cm3, Size: 500G
Catalog Number: (26398-004)

Supplier:  Walter Stern
Description:   Tabs are highly effective in controlling distillation of liquids with low boiling points.
Supplier:  Thermo Scientific
Description:   These boiling stones have the appearance of green, irregular rocks.
Supplier:  Thermo Scientific
Description:   These boiling stones have the appearance of grey, irregular rocks.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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The original product is no longer available. The replacement shown is available.
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