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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Note relative au nom | 4-10 Mesh, Grade 48 |
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Danger pour la santé 3 | Emergency Overview May cause skin, eye, and respiratory tract irritation. Possible cancer hazard May cause cancer based on animal data. Wear personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Do not induce vomiting. Obtain medical attention. NFPA Health:1 Flammability:0 Instability:1 |
Symbole de stockage ChemAlert | Gray |
Matériau | Silica Gel |
Danger pour la santé 2 | CAUTION! |
Qualité | Certified ACS |
Conditionnement | Poly Bottle |
Identification | Pass Test |
Compatibilité | Pass Test |
Dimensions de la maille | 4 to 10 Mesh |
Forme physique | Solid |
Formule moléculaire | SiO2 |
Couleur | Blue |
Numéro MDL | MFCD00011232 |
Nom chimique ou matériau | Silica Gel Desiccant, Indicating |
CAS | 7646-79-9 |
DRIERITE™, Indicating, 8 Mesh, J.T. Baker™
CAS: 7778-18-9 Formule moléculaire: CaO4S Poids moléculaire (g/mol): 136.13 Numéro MDL: MFCD00010912 Clé InChI: OSGAYBCDTDRGGQ-UHFFFAOYSA-L CID PubChem: 24497 ChEBI: CHEBI:31346 Nom IUPAC: calcium sulfate SMILES: [Ca++].[O-]S([O-])(=O)=O
Poids moléculaire (g/mol) | 136.13 |
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Numéro MDL | MFCD00010912 |
CAS | 7778-18-9 |
CID PubChem | 24497 |
ChEBI | CHEBI:31346 |
Nom IUPAC | calcium sulfate |
Clé InChI | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
Formule moléculaire | CaO4S |
Drierite™, regular (CaSO{4}), Lab Grade, Thermo Scientific Chemicals
CAS: 7778-18-9 Formule moléculaire: CaO4S Poids moléculaire (g/mol): 136.13 Numéro MDL: MFCD00010912 Clé InChI: OSGAYBCDTDRGGQ-UHFFFAOYSA-L CID PubChem: 24497 ChEBI: CHEBI:31346 Nom IUPAC: calcium sulfate SMILES: [Ca++].[O-]S([O-])(=O)=O
Poids moléculaire (g/mol) | 136.13 |
---|---|
Numéro MDL | MFCD00010912 |
CAS | 7778-18-9 |
CID PubChem | 24497 |
ChEBI | CHEBI:31346 |
Nom IUPAC | calcium sulfate |
Clé InChI | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
Formule moléculaire | CaO4S |
Silica gel, for drying purposes, non-toxic grade, 3-6 mm, Thermo Scientific Chemicals
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N Synonyme: Silicon dioxide CID PubChem: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
---|---|
Synonyme | Silicon dioxide |
Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Drierite™, with indicator, 4 mesh, Thermo Scientific Chemicals
CAS: 7778-18-9 Formule moléculaire: CaO4S Poids moléculaire (g/mol): 136.13 Numéro MDL: MFCD00010912 Clé InChI: OSGAYBCDTDRGGQ-UHFFFAOYSA-L CID PubChem: 24497 ChEBI: CHEBI:31346 SMILES: [Ca++].[O-]S([O-])(=O)=O
Poids moléculaire (g/mol) | 136.13 |
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Numéro MDL | MFCD00010912 |
CAS | 7778-18-9 |
CID PubChem | 24497 |
ChEBI | CHEBI:31346 |
Clé InChI | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
Formule moléculaire | CaO4S |
DRIERITE™, Non-Indicating, 8 Mesh, J.T. Baker™
CAS: 7778-18-9 Formule moléculaire: CaO4S Poids moléculaire (g/mol): 136.13 Numéro MDL: MFCD00010912 Clé InChI: OSGAYBCDTDRGGQ-UHFFFAOYSA-L CID PubChem: 24497 ChEBI: CHEBI:31346 Nom IUPAC: calcium sulfate SMILES: [Ca++].[O-]S([O-])(=O)=O
Poids moléculaire (g/mol) | 136.13 |
---|---|
Numéro MDL | MFCD00010912 |
CAS | 7778-18-9 |
CID PubChem | 24497 |
ChEBI | CHEBI:31346 |
Nom IUPAC | calcium sulfate |
Clé InChI | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
Formule moléculaire | CaO4S |
Drierite™ Drying Desiccants, W.A. Hammond
Formule moléculaire: CaO4S Poids moléculaire (g/mol): 136.13 Numéro MDL: MFCD00010912 Clé InChI: OSGAYBCDTDRGGQ-UHFFFAOYSA-L CID PubChem: 24497 ChEBI: CHEBI:31346 Nom IUPAC: calcium sulfate SMILES: [Ca++].[O-]S([O-])(=O)=O
Poids moléculaire (g/mol) | 136.13 |
---|---|
Numéro MDL | MFCD00010912 |
CID PubChem | 24497 |
ChEBI | CHEBI:31346 |
Nom IUPAC | calcium sulfate |
Clé InChI | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
SMILES | [Ca++].[O-]S([O-])(=O)=O |
Formule moléculaire | CaO4S |
Calcium Chloride, Anhydrous (Pellets, 4-20 mesh, for Desiccators), Fisher Chemical™
CAS: 10043-52-4 Formule moléculaire: CaCl2 Poids moléculaire (g/mol): 110.98 Numéro MDL: MFCD00010903 Clé InChI: UXVMQQNJUSDDNG-UHFFFAOYSA-L CID PubChem: 5284359 ChEBI: CHEBI:3312 Nom IUPAC: calcium dichloride SMILES: [Cl-].[Cl-].[Ca++]
Poids moléculaire (g/mol) | 110.98 |
---|---|
Numéro MDL | MFCD00010903 |
CAS | 10043-52-4 |
CID PubChem | 5284359 |
ChEBI | CHEBI:3312 |
Nom IUPAC | calcium dichloride |
Clé InChI | UXVMQQNJUSDDNG-UHFFFAOYSA-L |
SMILES | [Cl-].[Cl-].[Ca++] |
Formule moléculaire | CaCl2 |
Silica Gel Desiccant (60-200 Mesh/Chromatographic Grade), Fisher Chemical™
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 24261 ChEBI: CHEBI:30563 Nom IUPAC: silanedione SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
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Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Nom IUPAC | silanedione |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silica gel desiccant, indicating, -6+16 mesh granules, Thermo Scientific Chemicals
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
---|---|
Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silica gel desiccant, -6+12 mesh granules, Thermo Scientific Chemicals
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 24261 ChEBI: CHEBI:30563 Nom IUPAC: dioxosilane SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
---|---|
Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Nom IUPAC | dioxosilane |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silica gel desiccant, indicating, ACS, Thermo Scientific Chemicals
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 24261 ChEBI: CHEBI:30563 SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
---|---|
Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silica gel desiccant, indicating, ACS, Thermo Scientific Chemicals
CAS: 7631-86-9 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 24261 ChEBI: CHEBI:30563 Nom IUPAC: dioxosilane SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
---|---|
Numéro MDL | MFCD00011232 MFCD00217788 MFCD00163736 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 7631-86-9 |
CID PubChem | 24261 |
ChEBI | CHEBI:30563 |
Nom IUPAC | dioxosilane |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silica Gel Desiccant, Indicating, 6 to 18 Mesh, BAKER ANALYZED™ A.C.S. Reagent, J.T. Baker™
CAS: 1343-98-2 Formule moléculaire: O2Si Poids moléculaire (g/mol): 60.08 Numéro MDL: MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 Clé InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N CID PubChem: 14942 ChEBI: CHEBI:26675 Nom IUPAC: silanedione SMILES: O=[Si]=O
Poids moléculaire (g/mol) | 60.08 |
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Numéro MDL | MFCD00011232 MFCD00217788 MFCD00148266 MFCD00603035 MFCD02100519 MFCD06202255 MFCD07370733 |
CAS | 1343-98-2 |
CID PubChem | 14942 |
ChEBI | CHEBI:26675 |
Nom IUPAC | silanedione |
Clé InChI | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
SMILES | O=[Si]=O |
Formule moléculaire | O2Si |
Silicagel orange, for drying purposes, non toxic grade, Thermo Scientific Chemicals
CAS: 1327-36-2 Formule moléculaire: Al2O5Si Poids moléculaire (g/mol): 162.04 Numéro MDL: MFCD00077645 Clé InChI: HNPSIPDUKPIQMN-UHFFFAOYSA-N
Poids moléculaire (g/mol) | 162.04 |
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Numéro MDL | MFCD00077645 |
CAS | 1327-36-2 |
Clé InChI | HNPSIPDUKPIQMN-UHFFFAOYSA-N |
Formule moléculaire | Al2O5Si |