
Contact usTrometamol
| Chemical Name | Tris(hydroxymethyl)aminomethane |
CAS Number | 77-86-1 |
Molecular Formula | C4H11NO3 |
Molecular Weight | 162.15 |
Molecular Structure | ![]() |
Packing | 25kg/drum |
| Usuage | TRIS (Trometamol; Tris-hydroxymethyl-aminomethane) is an import biological buffer, which widely used in the preparation of buffers in biochemistry, molecular biology etc. In addition, TRIS can also be used in the preparation of cosmetics, coatings and in vitro diagnostic reagents. It's can also used as pharmaceutical intermediate. |
Items | Specification |
Appearance | White crystalline powder |
Infrared Spectrum | Conforms to reference |
Melting Point | 168.0-171.0℃ |
Solubility (40% aq.) | Clear, colorless solution |
Heavy Metals | ≤5ppm |
Water | ≤0.2% |
pH (5% aq.) | 10.0-11.5 |
Iron Ion (Fe3+) | ≤1ppm |
Sulfate (SO42-) | ≤10ppm |
Chloride (Cl-) | ≤3ppm |
Ultraviolet absorbance/280nm (40% aq.) | ≤0.07 |
Ultraviolet absorbance/400nm (40% aq.) | ≤0.02 |
Assay | ≥99.5% |
Standard | In-House |

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