Lab Desiccants and Drying Agents
Lab Desiccants and Drying Agents
Hygroscopic substances and drying agents for use in laboratory settings; drying agents are commonly used to keep other substances and samples dry, or to prevent moisture from forming on/in containers. Products include drying tubes, kits, etc.
Desiccants are typically chemicals or compounds that are hydroscopic (readily absorb moisture). Common desiccants include clays, silica gels, and calcium sulfate.
In the lab, desiccants are commonly used in desiccators and desiccator cabinets, with in-line air and gas drying columns, in absorption bulbs, U-tubes, glove boxes, sealed chambers, and wherever a dry environment is required. They are also used during transport, for storage, and maintaining materials and products ─ everything from clothing to electronics.
The moisture may come from a variety of sources:
- Water vapor in the air
- Moisture in packaging materials
- Moisture from permeation or leakage
Some desiccants contain an indicator or additive that produces a color change with moisture absorption. The indicator allows the user to see when the desiccant has absorbed its maximum amount of moisture and needs to be replaced or regenerated.
Some desiccants can be reused many times simply by heating them in an oven to allow moisture to evaporate. For indicating desiccants, one can also easily tell when the desiccant is again ready to use by the change back to the original color.
Desiccants may be available in a range of mesh or particle sizes. The Tyler Equivalent is a common type of mesh sizing and indicates the number of openings per linear inch of mesh. Common desiccant mesh sizes are 4, 8, and 10 to 12. Size 4 is typically used in gas phase applications; they are larger and less likely to break. Size 8 is smaller and can be more tightly packed.
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Risultati della ricerca filtrata
Silicagel orange, for drying purposes, non toxic grade, Thermo Scientific Chemicals
CAS: 1327-36-2 Formula molecolare: Al2O5Si Molecular Weight (g/mol): 162.04 Numero MDL: MFCD00077645 InChI Key: HNPSIPDUKPIQMN-UHFFFAOYSA-N
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Numero MDL | MFCD00077645 |
---|---|
Formula molecolare | Al2O5Si |
CAS | 1327-36-2 |
Molecular Weight (g/mol) | 162.04 |
InChI Key | HNPSIPDUKPIQMN-UHFFFAOYSA-N |
Florisil, 60-100 mesh, for column chromatography, Thermo Scientific Chemicals
CAS: 1343-88-0 Formula molecolare: MgO3Si Molecular Weight (g/mol): 100.39 Numero MDL: MFCD00078249 InChI Key: ZADYMNAVLSWLEQ-UHFFFAOYSA-N
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Numero MDL | MFCD00078249 |
---|---|
Formula molecolare | MgO3Si |
CAS | 1343-88-0 |
Molecular Weight (g/mol) | 100.39 |
InChI Key | ZADYMNAVLSWLEQ-UHFFFAOYSA-N |
Gel di silice (2,5-6,0 mm) autoindicante, agente essiccante, Fisher Chemical
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Anti-schiuma al silicio
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Silica Gel (2.5-6.0mm) Self Indicating (Iron Salt), Pure, Dessicant Agent, Fisher Chemical™
CAS: 7631-86-9 Formula molecolare: O2Si Molecular Weight (g/mol): 60.08 Numero MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N PubChem CID: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
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Numero MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
---|---|
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 7631-86-9 |
Molecular Weight (g/mol) | 60.08 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Silica gel (2.5-6.0mm) self indicating, dessicant agent, Fisher Chemical™
CAS: 7631-86-9 Formula molecolare: O2Si Molecular Weight (g/mol): 60.08 Numero MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N PubChem CID: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
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Numero MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
---|---|
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 7631-86-9 |
Molecular Weight (g/mol) | 60.08 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Silica Gel Rubin, Honeywell Fluka™
CAS: 112926-00-8 Formula molecolare: O2Si Molecular Weight (g/mol): 60.083 Numero MDL: MFCD00011232 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N PubChem CID: 24261 ChEBI: CHEBI:30563 IUPAC Name: dioxosilane SMILES: O=[Si]=O
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Numero MDL | MFCD00011232 |
---|---|
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 112926-00-8 |
Molecular Weight (g/mol) | 60.083 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
IUPAC Name | dioxosilane |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Perle Silicagel
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Silica gel, for column chrom., ultrapure, 60-200μ, 60A, Thermo Scientific Chemicals
CAS: 7631-86-9 Formula molecolare: O2Si Molecular Weight (g/mol): 60.08 Numero MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Sinonimo: Silicon dioxide PubChem CID: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Sinonimo | Silicon dioxide |
---|---|
Numero MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 7631-86-9 |
Molecular Weight (g/mol) | 60.08 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Silica gel, for chromatography, 0.030-0.200 mm, 60 A, Thermo Scientific Chemicals
CAS: 7631-86-9 Formula molecolare: O2Si Molecular Weight (g/mol): 60.08 Numero MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Sinonimo: Silicon dioxide PubChem CID: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Sinonimo | Silicon dioxide |
---|---|
Numero MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 7631-86-9 |
Molecular Weight (g/mol) | 60.08 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Tipo di finestra essiccante Humidity Sponge™
Le spugne Humidity Sponge sono in grado di soddisfare qualsiasi esigenza di asciugatura. L'essiccante Fisherbrand™ Humidity Sponge™ è atossico e compatibile con camera sterile di Classe M3.5.
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Drierite, with indicator, 8 mesh, Thermo Scientific Chemicals
CAS: 7778-18-9 Formula molecolare: CaO4S Molecular Weight (g/mol): 136.13 Numero MDL: MFCD00010912 InChI Key: OSGAYBCDTDRGGQ-UHFFFAOYSA-L PubChem CID: 24497 ChEBI: CHEBI:31346 SMILES: [Ca++].[O-]S([O-])(=O)=O
Numero MDL | MFCD00010912 |
---|---|
PubChem CID | 24497 |
Formula molecolare | CaO4S |
CAS | 7778-18-9 |
Molecular Weight (g/mol) | 136.13 |
ChEBI | CHEBI:31346 |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
InChI Key | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
Soda lime, pure, granular, with indicator white to violet, Thermo Scientific Chemicals
CAS: 8006-28-8 Formula molecolare: CaHNaO2 Molecular Weight (g/mol): 96.074 Numero MDL: MFCD00134094 InChI Key: HUAUNKAZQWMVFY-UHFFFAOYSA-M PubChem CID: 66545795 IUPAC Name: sodium;oxocalcium;hydroxide SMILES: [OH-].O=[Ca].[Na+]
Numero MDL | MFCD00134094 |
---|---|
PubChem CID | 66545795 |
Formula molecolare | CaHNaO2 |
CAS | 8006-28-8 |
Molecular Weight (g/mol) | 96.074 |
SMILES | [OH-].O=[Ca].[Na+] |
IUPAC Name | sodium;oxocalcium;hydroxide |
InChI Key | HUAUNKAZQWMVFY-UHFFFAOYSA-M |
Silica gel, for drying purposes, non-toxic grade, 3-6 mm, Thermo Scientific Chemicals
CAS: 7631-86-9 Formula molecolare: O2Si Molecular Weight (g/mol): 60.08 Numero MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Sinonimo: Silicon dioxide PubChem CID: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Sinonimo | Silicon dioxide |
---|---|
Numero MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
PubChem CID | 24261 |
Formula molecolare | O2Si |
CAS | 7631-86-9 |
Molecular Weight (g/mol) | 60.08 |
ChEBI | CHEBI:30563 |
SMILES | O=[Si]=O |
InChI Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Numero MDL | MFCD00132264 |
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Pericolo per la salute 1 | Danger |
Nota nome | 8- to 20-mesh |
Pericolo per la salute 2 | GHS H Statement: Causes severe skin burns and eye damage. |
Colore | Marrone |
Pericolo per la salute 3 | GHS P Statement: Do not breathe dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash face, hands and any exposed skin thoroughly after handling. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification. |
Forma fisica | Granular |
Dimensione particelle | Particle size analysis: 8 to 20 mesh |
CAS | 7631-86-9 |
Materiale o nome chimico | Ascarite(II)™, CO2 absorbent, 8 to 20 mesh |