Bases

Bases
Bases of various chemical compositions, pH values, purities, reagent grades, and quantities suited for a wide variety of laboratory applications. Products are available in solid and liquid forms.
Bases are usually thought of as the chemical opposite of acids. They are commonly defined as compounds that form aqueous solutions that taste bitter, have a high pH (>7), cause litmus paper to turn blue, are slippery to the touch, and react with acids to form water and salts.
In the laboratory, bases are used as reagents or catalysts in many chemical reactions, and some are great conductors of electricity. In an industry setting, bases are used in many applications such as the manufacture of soap, paper, bleaching powder, and the synthetic fiber rayon.
Chemically, bases can be classified as:
- Arrhenius, substances that produce hydroxide (OH−) ions in aqueous solutions, and include sodium hydroxide (lye or caustic soda), potassium hydroxide (or caustic potash), and ammonium hydroxide (or aqua ammonia) Brønsted-Lowry, substances such as ammonia (NH3) that can accept a proton or hydrogen ion
- Lewis, compounds such as ammonia, alkyl or aryl amines, and pyridines and pyrimidines that are electron pair donors
NOTE: A Lewis base is also a Brønsted-Lowry base, but a Lewis acid is not necessarily also a Brønsted-Lowry acid.

Sodium Hydroxide Solution 0.1M (0.1N), NIST Standard Solution ready to use, for volumetric analysis, meets analytical specification of Ph.Eur., BP, Fisher Chemical™
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: 3548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]

PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | 3548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium Hydroxide, Extra Pure, SLR, Pellets, Fisher Chemical™
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: 3548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | 3548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium Hydroxide, Certified AR for Analysis, Pellets, meets analytical specification of Ph.Eur., BP, Fisher Chemical™
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: 3548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | 3548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium Hydroxide Solution (50% w/w/Certified), Fisher Chemical™
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | MFCD00003548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, 98%, extra pure, pellets, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | MFCD00003548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, pure, pellets, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium Hydroxide (White Pellets), Fisher BioReagents™
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, 98.5%, for analysis, pellets, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | MFCD00003548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium Hydroxide Solution 10M (10N) ≈40 (w/v), Standard Solution Ready To Use, for Volumetric Analysis
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: 3548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | 3548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, for analysis, micropearls, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
MDL Number | MFCD00003548 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Sodium hydroxide, 98%, Thermo Scientific Chemicals
CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]
PubChem CID | 14798 |
---|---|
CAS | 1310-73-2 |
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
SMILES | [OH-].[Na+] |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Molecular Formula | HNaO |
Linear Formula | NaOH |
---|---|
Molecular Weight (g/mol) | 39.997 |
ChEBI | CHEBI:32145 |
Color | Colorless |
Physical Form | Liquid |
Chemical Name or Material | Sodium hydroxide |
SMILES | [OH-].[Na+] |
Merck Index | 15, 8761 |
Concentration | 0.998 to 1.002N (20°C) |
InChI Key | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
Density | 1.0400g/mL |
PubChem CID | 14798 |
Fieser | 01,1083; 05,616; 07,336; 08,460 |
CAS | 7732-18-5 |
Health Hazard 1 | Danger |
Synonym | sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic |
IUPAC Name | sodium;hydroxide |
Molecular Formula | HNaO |
EINECS Number | 215-185-5 |
Formula Weight | 40 |