Customization: | Available |
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Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
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TRIS hydrochloride Chemical Properties |
Melting point | 150-152 °C |
density | 1.05 g/mL at 20 °C |
storage temp. | room temp |
solubility | H2O: 4 M at 20 °C, clear, colorless |
form | crystalline |
color | clear colorless (40 % (w/w) in H2O) solution |
PH | 2.5-4.0 (25ºC, 4M in H2O) |
PH Range | 7.0 - 9.0 |
pka | 8.1(at 25ºC) |
Water Solubility | SOLUBLE |
λmax | λ: 260 nm Amax: 0.12 λ: 280 nm Amax: 0.08 |
Sensitive | Hygroscopic |
BRN | 3675235 |
Stability: | Stable. Incompatible with strong oxidizing agents, bases, moisture. |
InChIKey | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
CAS DataBase Reference | 1185-53-1(CAS DataBase Reference) |
EPA Substance Registry System | 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, hydrochloride (1185-53-1) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36 |
WGK Germany | 3 |
RTECS | TY2900000 |
F | 3 |
TSCA | Yes |
HS Code | 29221980 |
Provider | Language |
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2-Amino-2-(hydroxymethyl)-1,3-propanediol hydrochloride | English |
SigmaAldrich | English |
ACROS | English |
ALFA | English |
TRIS hydrochloride Usage And Synthesis |
Chemical Properties | White crystalline powder |
Uses | For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode;For Tris buffers, pH increases about 0.03 unit/°C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution. |
Biological Activity | Commonly used laboratory reagent |
Purification Methods | Crystallise the salt from 50% EtOH, then from 70% EtOH. TRIS-hydrochloride is also available commercially in a highly pure state. Otherwise, recrystallise it from 50% EtOH, then 70% EtOH, and dry it below 40o to avoid risk of decomposition. [Beilstein 4 H 304.] |
TRIS hydrochloride Preparation Products And Raw materials |
Preparation Products | Glycine hydrochloride-->2,2-DIMETHYL-1,3-DIOXAN-5-ONE |