RDD009

Trizma^® hydrochloride

anhydrous, free-flowing, Redi-Dri^™, ≥99.0%

• Synonym(s): TRIS HCl, TRIS hydrochloride, Tris(hydroxymethyl)aminomethane hydrochloride, Tromethane hydrochloride
• Linear Formula: NH₂C(CH₂OH)₃ · HCl
• CAS Number: 1185-53-1
• Molecular Weight: 157.60
• Beilstein: 3675235
• EC Number: 214-684-5
• MDL number: MFCD00012590
• UNSPSC Code: 12161700
• PubChem Substance ID: 329824220
• NACRES: NA.25

Properties

• grade: anhydrous
• product line: Redi-Dri^™
• Assay: ≥99.0%
• form: powder
• quality: free-flowing
• impurities: ≤0.5% water (Karl Fischer)
• color: white
• useful pH range: 7.0-9.0
• pKa (25 °C): 8.1
• mp: 150-152 °C
• solubility: H₂O: soluble, clear, colorless
• absorption: ≤0.05 at 290 nm at 40%
• SMILES string: Cl.NC(CO)(CO)CO
• InChI: 1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H
• InChI key: QKNYBSVHEMOAJP-UHFFFAOYSA-N

Description

Other Notes

The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution. For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable