Life Science Buffers
Balanced salt solutions and powders used for molecular, protein, nucleic acid, and cell biology applications including cell culture, electrophoresis, ELISA, and chromatography processes; available in a variety of formulations and grades.
Buffer solutions serve to keep pH (acidity or alkalinity) nearly constant in a variety of chemical and biological applications. For example, a bicarbonate buffer helps maintain the pH of blood, a buffered saline maintains cellular contents at a consistent pH level, and buffers help maintain a narrow pH range for enzymes to function correctly.
Most biological samples used in research are kept at a pH of about 7.4. Common biological buffers used for tissue culture include Dulbeccos phosphate buffered saline (PBS), Tris base, HEPES, MOPS, PIPES, and other formulations developed for specific cell lines or applications. Most buffers used in cell culture are also DNase-, RNase-, and protease-free.
The choice of buffer for a particular biological reaction or site depends on several factors:
- Temperature
- Desired or target pH
- Buffer toxicity (to the system)
- Buffer interactions with other system components
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Filtered Search Results
MP Biomedicals™ Tris-Glycine Running Buffer for SDS-PAGE
Powder buffer salts for making SDS-PAGE buffer.
MP Biomedicals™ Dulbecco's Phosphate Buffered Saline (10X) without Calcium and Magnesium
Stock solution used to prepare 1X D-PBS in cell culture grade water.
Bis-Tris, ≥99%, MP Biomedicals™
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 MDL Number: MFCD00002853 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N Synonym: 2,2-bis(Hydroxymethyl)-2,2',2''-nitrilotriethanol,2, 2-bis(Hydroxymethyl)-2, 2' PubChem CID: 81462 ChEBI: CHEBI:41250 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol SMILES: C(CO)N(CCO)C(CO)(CO)CO
| PubChem CID | 81462 |
|---|---|
| CAS | 6976-37-0 |
| Molecular Weight (g/mol) | 209.242 |
| ChEBI | CHEBI:41250 |
| MDL Number | MFCD00002853 |
| SMILES | C(CO)N(CCO)C(CO)(CO)CO |
| Synonym | 2,2-bis(Hydroxymethyl)-2,2',2''-nitrilotriethanol,2, 2-bis(Hydroxymethyl)-2, 2' |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | OWMVSZAMULFTJU-UHFFFAOYSA-N |
| Molecular Formula | C8H19NO5 |
MilliporeSigma™ Tris Hydrochloride, OmniPur™, Calbiochem™,
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, hydrochloride; 1,3-Propanediol, 2-amino-2- (hydroxymethyl)-, hydrochloride (1:1); 2-Amino-2-hydroxymethyl-1,3-propanediol hydrochloride; Tris(hydroxymethyl)aminomethane, hydrochloride; Tris hydrochloride PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl
| PubChem CID | 93573 |
|---|---|
| CAS | 1185-53-1 |
| Molecular Weight (g/mol) | 157.594 |
| SMILES | C(C(CO)(CO)N)O.Cl |
| Synonym | 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, hydrochloride; 1,3-Propanediol, 2-amino-2- (hydroxymethyl)-, hydrochloride (1:1); 2-Amino-2-hydroxymethyl-1,3-propanediol hydrochloride; Tris(hydroxymethyl)aminomethane, hydrochloride; Tris hydrochloride |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
| MDL Number | MFCD00131625 |
|---|---|
| Physical Form | Liquid |
| Health Hazard 1 | H335 |
| Chemical Name or Material | MOPS-EDTA-sodium acetate buffer (MESA) |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
MilliporeSigma™ Tris Buffer, 100mM, pH 7.4, Molecular Biology Grade, Calbiochem™,
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: tris(Hydroxymethyl)aminomethane, HCl PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
| PubChem CID | 6503 |
|---|---|
| CAS | 77-86-1 |
| Molecular Weight (g/mol) | 121.136 |
| ChEBI | CHEBI:9754 |
| SMILES | C(C(CO)(CO)N)O |
| Synonym | tris(Hydroxymethyl)aminomethane, HCl |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
| Physical Form | Liquid |
|---|---|
| pH | 7.2 to 7.5 |
| Chemical Name or Material | HEPES solution |
| Concentration | 1 M |
| Solution Type | Buffer |
Phosphate Buffered Saline (PBS) 1X without Ca and Mg, pH 7.2, Cytiva Hyclone™
Phosphate buffered saline (PBS) 1X, pH 7.2 is a physiological salt solution commonly found in many cell culture applications.
| CAS | 115-69-5 |
|---|---|
| Molecular Weight (g/mol) | 105.137 |
| Color | Colorless |
| Physical Form | Liquid |
| pH | 9.5 |
| Recommended Storage | Keep cold |
| Concentration | 0.2 M |
| Odor | Odorless |
MOPSO, 98%
CAS: 68399-77-9 Molecular Formula: C7H15NO5S Molecular Weight (g/mol): 225.259 MDL Number: MFCD00009629 InChI Key: NUFBIAUZAMHTSP-UHFFFAOYSA-N Synonym: mopso,2-hydroxy-3-morpholinopropanesulfonic acid,2-hydroxy-3-morpholinopropane-1-sulfonic acid,2-hydroxy-4-morpholinepropanesulphonic acid,3-morpholino-2-hydroxypropanesulfonic acid,3-n-morpholino-2-hydroxypropanesulfonic acid,2-hydroxy-3-morpholin-4-yl propane-1-sulfonic acid,beta-hydroxy-4-morpholinepropanesulfonic acid,3-4-morpholino-2-hydroxypropanesulfonic acid,4-morpholinepropanesulfonic acid, .beta.-hydroxy PubChem CID: 109333 IUPAC Name: 2-hydroxy-3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CC(CS(=O)(=O)O)O
| PubChem CID | 109333 |
|---|---|
| CAS | 68399-77-9 |
| Molecular Weight (g/mol) | 225.259 |
| MDL Number | MFCD00009629 |
| SMILES | C1COCCN1CC(CS(=O)(=O)O)O |
| Synonym | mopso,2-hydroxy-3-morpholinopropanesulfonic acid,2-hydroxy-3-morpholinopropane-1-sulfonic acid,2-hydroxy-4-morpholinepropanesulphonic acid,3-morpholino-2-hydroxypropanesulfonic acid,3-n-morpholino-2-hydroxypropanesulfonic acid,2-hydroxy-3-morpholin-4-yl propane-1-sulfonic acid,beta-hydroxy-4-morpholinepropanesulfonic acid,3-4-morpholino-2-hydroxypropanesulfonic acid,4-morpholinepropanesulfonic acid, .beta.-hydroxy |
| IUPAC Name | 2-hydroxy-3-morpholin-4-ylpropane-1-sulfonic acid |
| InChI Key | NUFBIAUZAMHTSP-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO5S |
MP Biomedicals™ MES SDS Running Buffer for Bis-Tris Gels, Powder
Powder MES buffer salts to make PAGE buffer.
Hanks' Balanced Salts, Without Sodium Bicarbonate, MP Biomedicals™
Hanks' Balanced Salts, Without Sodium Bicarbonate, Orange Powder
| Color | Orange |
|---|---|
| Physical Form | Powder |
| pH | 6.0 to 7.0 (before adjustment with sodium bicarbonate) |
TRIS, 0.5M buffer soln., pH 8.6, Thermo Scientific™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
| PubChem CID | 6503 |
|---|---|
| CAS | 77-86-1 |
| Molecular Weight (g/mol) | 121.136 |
| ChEBI | CHEBI:9754 |
| MDL Number | MFCD00004679 |
| SMILES | C(C(CO)(CO)N)O |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |