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
Thermo Scientific Chemicals MES, 1.0M buffer soln., pH 7.0
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-(morpholin-4-yl)ethane-1-sulfonic acid hydrate SMILES: O.OS(=O)(=O)CCN1CCOCC1
| PubChem CID | 16218417 |
|---|---|
| CAS | 145224-94-8 |
| Molecular Weight (g/mol) | 213.25 |
| MDL Number | MFCD00149409 |
| SMILES | O.OS(=O)(=O)CCN1CCOCC1 |
| IUPAC Name | 2-(morpholin-4-yl)ethane-1-sulfonic acid hydrate |
| InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals Tricine, 0.5M buffer soln., pH 8.0
CAS: 4-1-5704 Molecular Formula: C6H13NO5 Molecular Weight (g/mol): 179.17 MDL Number: MFCD00004277 InChI Key: SEQKRHFRPICQDD-UHFFFAOYSA-N PubChem CID: 79784 ChEBI: CHEBI:39063 IUPAC Name: 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid SMILES: C(C(=O)O)NC(CO)(CO)CO
| PubChem CID | 79784 |
|---|---|
| CAS | 4-1-5704 |
| Molecular Weight (g/mol) | 179.17 |
| ChEBI | CHEBI:39063 |
| MDL Number | MFCD00004277 |
| SMILES | C(C(=O)O)NC(CO)(CO)CO |
| IUPAC Name | 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid |
| InChI Key | SEQKRHFRPICQDD-UHFFFAOYSA-N |
| Molecular Formula | C6H13NO5 |
Thermo Scientific Chemicals CAPS, 0.5M buffer soln., pH 10.0
CAS: 1135-40-6 Molecular Formula: C9H19NO3S Molecular Weight (g/mol): 221.32 MDL Number: MFCD00003837 InChI Key: PJWWRFATQTVXHA-UHFFFAOYSA-N IUPAC Name: 3-(cyclohexylamino)propane-1-sulfonic acid SMILES: OS(=O)(=O)CCCNC1CCCCC1
| CAS | 1135-40-6 |
|---|---|
| Molecular Weight (g/mol) | 221.32 |
| MDL Number | MFCD00003837 |
| SMILES | OS(=O)(=O)CCCNC1CCCCC1 |
| IUPAC Name | 3-(cyclohexylamino)propane-1-sulfonic acid |
| InChI Key | PJWWRFATQTVXHA-UHFFFAOYSA-N |
| Molecular Formula | C9H19NO3S |
Thermo Scientific Chemicals BES, 99+%, for biochemistry
CAS: 10191-18-1 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00007533 InChI Key: AJTVSSFTXWNIRG-UHFFFAOYSA-N Synonym: N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid PubChem CID: 73243 ChEBI: CHEBI:39045 SMILES: OCCN(CCO)CCS(O)(=O)=O
| PubChem CID | 73243 |
|---|---|
| CAS | 10191-18-1 |
| Molecular Weight (g/mol) | 213.25 |
| ChEBI | CHEBI:39045 |
| MDL Number | MFCD00007533 |
| SMILES | OCCN(CCO)CCS(O)(=O)=O |
| Synonym | N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid |
| InChI Key | AJTVSSFTXWNIRG-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals BICINE, 0.5M buffer soln., pH 8.5
CAS: 150-25-4 Molecular Formula: C6H12NNaO4 Molecular Weight (g/mol): 185.16 MDL Number: MFCD00004295 InChI Key: MFBDBXAVPLFMNJ-UHFFFAOYSA-M PubChem CID: 8761 ChEBI: CHEBI:40957 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]acetic acid SMILES: [Na+].OCCN(CCO)CC([O-])=O
| PubChem CID | 8761 |
|---|---|
| CAS | 150-25-4 |
| Molecular Weight (g/mol) | 185.16 |
| ChEBI | CHEBI:40957 |
| MDL Number | MFCD00004295 |
| SMILES | [Na+].OCCN(CCO)CC([O-])=O |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]acetic acid |
| InChI Key | MFBDBXAVPLFMNJ-UHFFFAOYSA-M |
| Molecular Formula | C6H12NNaO4 |
| MDL Number | MFCD00236357 |
|---|---|
| Synonym | Tris-Borate-EDTA Buffer |
Tris Hydrochloride, Ultra Pure, MP Biomedicals™
Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: Tris(hydroxymethyl)aminomethane hydrochloride, TRIS HCl 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 |
|---|---|
| Molecular Weight (g/mol) | 157.594 |
| SMILES | C(C(CO)(CO)N)O.Cl |
| Synonym | Tris(hydroxymethyl)aminomethane hydrochloride, TRIS HCl |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
Thermo Scientific Chemicals BIS-TRIS, 0.2M buffer soln., pH 6.0
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 MDL Number: MFCD00002853 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N 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 |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | OWMVSZAMULFTJU-UHFFFAOYSA-N |
| Molecular Formula | C8H19NO5 |
Thermo Scientific Chemicals TBE running buffer (10X)
Commonly used in nucleic acid electrophoresis. TBE Buffer is used for polyacrylamide and agarose gel electrophoresis. It is ideally suited for DNA and RNA separation on longer run, higher voltage or amperage gels. TBE is used with non-denaturing or denaturing (7 M urea) gels.
| Health Hazard 3 | P201-P202-P264b-P280i-P281-P302+P352-P305+P351+P338-P308+P313-P332+P313-P362-P501c |
|---|---|
| Solubility Information | It is soluble in water. |
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| Health Hazard 1 | H315-H319-H360FD |
| Chemical Name or Material | TBE running buffer (10X) |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Storage Note 1 | Store at Room Temperature (15-30°C). Store dessicated. |
|---|---|
| Molecular Weight (g/mol) | 121.14 |
| Loss on Drying | ≤1% |
| Color | White |
| Grade | Molecular Biology Reagent |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| CAS | 77-86-1 |
| MDL Number | MFCD00004679 |
| Solubility Information | Soluble in water (40% aq soln) Clear, Colorless Solution (550mg/mL), ethyleneglycol (79.1mg/mL), methanol (26mg/mL), anhydrous ethanol (14.6mg/mL), 95% ethanol (22.0mg/mL), DMF (14mg/mL), acetone (2mg/mL), ethyl acetate (0.5mg/mL), olive oil (0.4mg/mL), and chloroform (0.05mg/mL). |
| pH | 10 to 11.5 (5% aq. soln.) |
| Synonym | Trometamol,THAM,Tromethamine,Tris base |
| Purity Grade Notes | ≥99.95% |
| RTECS Number | TY2900000 |
| Molecular Formula | C4H11NO3 |
| Melting Point | 167°C to 172°C |
Thermo Scientific Chemicals Imidazole, 0.5M buffer soln., pH 7.5
CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 MDL Number: MFCD00005183 InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-N IUPAC Name: 1H-imidazole SMILES: N1C=CN=C1
| CAS | 288-32-4 |
|---|---|
| Molecular Weight (g/mol) | 68.08 |
| MDL Number | MFCD00005183 |
| SMILES | N1C=CN=C1 |
| IUPAC Name | 1H-imidazole |
| InChI Key | RAXXELZNTBOGNW-UHFFFAOYSA-N |
| Molecular Formula | C3H4N2 |
Thermo Scientific Chemicals HEPES-buffered saline, pH 7.0 (5X)
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1
| PubChem CID | 23831 |
|---|---|
| CAS | 7365-45-9 |
| Molecular Weight (g/mol) | 238.30 |
| ChEBI | CHEBI:42334 |
| MDL Number | MFCD00006158 |
| SMILES | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| IUPAC Name | 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Thermo Scientific Chemicals Glycine, 0.2M buffer soln., pH 3.0
CAS: 56-40-6 Molecular Formula: C2H5NO2 Molecular Weight (g/mol): 75.07 MDL Number: MFCD00008131 InChI Key: DHMQDGOQFOQNFH-UHFFFAOYSA-N IUPAC Name: 2-aminoacetic acid SMILES: NCC(O)=O
| CAS | 56-40-6 |
|---|---|
| Molecular Weight (g/mol) | 75.07 |
| MDL Number | MFCD00008131 |
| SMILES | NCC(O)=O |
| IUPAC Name | 2-aminoacetic acid |
| InChI Key | DHMQDGOQFOQNFH-UHFFFAOYSA-N |
| Molecular Formula | C2H5NO2 |
Thermo Scientific Chemicals TAPS, 99+%, for biochemistry
CAS: 29915-38-6 Molecular Formula: C7H17NO6S Molecular Weight (g/mol): 243.27 MDL Number: MFCD00007538 InChI Key: YNLCVAQJIKOXER-UHFFFAOYSA-N Synonym: 3-[Tris(hydroxymethyl)methylamino]-1-propanesulfonic acid PubChem CID: 121591 IUPAC Name: 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid SMILES: OCC(CO)(CO)NCCCS(O)(=O)=O
| PubChem CID | 121591 |
|---|---|
| CAS | 29915-38-6 |
| Molecular Weight (g/mol) | 243.27 |
| MDL Number | MFCD00007538 |
| SMILES | OCC(CO)(CO)NCCCS(O)(=O)=O |
| Synonym | 3-[Tris(hydroxymethyl)methylamino]-1-propanesulfonic acid |
| IUPAC Name | 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid |
| InChI Key | YNLCVAQJIKOXER-UHFFFAOYSA-N |
| Molecular Formula | C7H17NO6S |
Thermo Scientific Chemicals MOPS, 0.5M buffer soln., pH 7.0
CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
| PubChem CID | 70807 |
|---|---|
| CAS | 1132-61-2 |
| Molecular Weight (g/mol) | 209.26 |
| ChEBI | CHEBI:44115 |
| MDL Number | MFCD00006183 |
| SMILES | [O-]S(=O)(=O)CCC[NH+]1CCOCC1 |
| IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
| InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO4S |