Molekula
BIS-TRIS (Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane)
BIS-TRIS is a buffering agent commonly used in biochemical and molecular biology applications, particularly in electrophoresis and enzyme assays. It maintains stable pH in the range of 6.0 to 9.0. Available in powder form with a molecular weight of 209.24 g/mol, CAS number 6976-37-0, and molecular formula N(C2H4OH)2C(CH2OH)3. Store at ambient temperature. Signal word: Danger. Molekula supplies BIS-TRIS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
BIS-TRIS is a buffering agent commonly used in biochemical and molecular biology applications, particularly in electrophoresis and enzyme assays. It maintains stable pH in the range of 6.0 to 9.0. Available in powder form with a molecular weight of 209.24 g/mol, CAS number 6976-37-0, and molecular formula N(C2H4OH)2C(CH2OH)3. Store at ambient temperature. Signal word: Danger. Molekula supplies BIS-TRIS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White Crystalline Powder |
| Heavy metals | ≤10ppm |
| Identification | Conforms to reference |
| Residue on Ignition | ≤0.1% |
| Pka | 6.3-6.7 |
| Solubility (1M in H20) | Clear and Complete |
| pH (1M in H2O) | 9.0-11.0 |
| Moisture (LOD) | ≤1.0% |
| Assay (Titration on dry basis) | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 48 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 6976-37-0 |
| Molecular Formula | N(C2H4OH)2C(CH2OH)3 |
| Molecular Weight | 209.24 |
| SMILES | C(CO)N(CCO)C(CO)(CO)CO |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2922.19.9619 |
| Tariff Code | 2922190090 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is BIS-TRIS used for?
BIS-TRIS is primarily used as a buffering agent in biochemical and molecular biology applications, particularly in protein electrophoresis and enzyme assays.
What is the chemical formula and molecular weight of BIS-TRIS?
The formula is N(C2H4OH)2C(CH2OH)3 and the molecular weight is 209.24 g/mol.
How should BIS-TRIS be stored?
Store at ambient temperature, away from moisture and direct sunlight, as specified in the safety data sheet.
What grade of BIS-TRIS is available?
Molekula supplies BIS-TRIS in high-purity grade suitable for research and laboratory use.
Can Molekula supply BIS-TRIS in bulk?
Yes, Molekula can supply BIS-TRIS in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a BIS-TRIS order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.