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77-86-1
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77-86-1
| Tris Base Basic information | |
| Product Name: | Tris Base |
| CAS: | 77-86-1 |
| MF: | C4H11NO3 |
| MW: | 121.14 |
| EINECS: | 201-064-4 |
| Tris Base Chemical Properties | |
| Melting point | 167-172 °C(lit.) |
| Boiling point | 219-220 °C10 mm Hg(lit.) |
| density | 1,353 g/cm3 |
| vapor pressure | 0.0267 hPa (20 °C) |
| refractive index | 1.4170 (estimate) |
| Fp | 219-220°C/10mm |
| storage temp. | 2-8°C |
| solubility | H2O: 4 M at 20 °C, clear, colorless |
| form | crystalline |
| color | white |
| PH | 10.5-12.0(4 m in water, 25 °C) |
| pka | 8.1(at 25℃) |
| Water Solubility | 550 g/L (25 ºC) |
| λmax | λ: 260 nm Amax: 0.10 |
| λ: 280 nm Amax: 0.08 | |
| Sensitive | Hygroscopic |
| Merck | 149,772 |
| BRN | 741883 |
| Stability: | Stable. Incompatible with bases, strong oxidizing agents. Protect from moisture. |
| InChIKey | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| CAS DataBase Reference | 77-86-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-(77-86-1) |
| EPA Substance Registry System | Tris(hydroxymethyl)aminomethane (77-86-1) |
| Item | Specifications |
| Content | 99.5%—101.0% |
| Moisture (by karl fischer) | ≤0.3% |
| Insolubles | ≤0.005% |
| PH(5%) | 10.0-11.5 |
| UV Absorbance (290nm,40%) | ≤0.2 |
| UV Absorbance (400nm 40%) | ≤0.2 |
| Heavy metals(as pb) | ≤5ppm |
| Fe | ≤5ppm |
| Cl | ≤3ppm |
| Solubility (1.0M solution in water) | Immediately soluble yielding a clear haze-free solution free of particulates |
| Residue on ignition | ≤0.05% |
| Tris Base Basic information | |
| Product Name: | Tris Base |
| CAS: | 77-86-1 |
| MF: | C4H11NO3 |
| MW: | 121.14 |
| EINECS: | 201-064-4 |
| Tris Base Chemical Properties | |
| Melting point | 167-172 °C(lit.) |
| Boiling point | 219-220 °C10 mm Hg(lit.) |
| density | 1,353 g/cm3 |
| vapor pressure | 0.0267 hPa (20 °C) |
| refractive index | 1.4170 (estimate) |
| Fp | 219-220°C/10mm |
| storage temp. | 2-8°C |
| solubility | H2O: 4 M at 20 °C, clear, colorless |
| form | crystalline |
| color | white |
| PH | 10.5-12.0(4 m in water, 25 °C) |
| pka | 8.1(at 25℃) |
| Water Solubility | 550 g/L (25 ºC) |
| λmax | λ: 260 nm Amax: 0.10 |
| λ: 280 nm Amax: 0.08 | |
| Sensitive | Hygroscopic |
| Merck | 149,772 |
| BRN | 741883 |
| Stability: | Stable. Incompatible with bases, strong oxidizing agents. Protect from moisture. |
| InChIKey | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| CAS DataBase Reference | 77-86-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-(77-86-1) |
| EPA Substance Registry System | Tris(hydroxymethyl)aminomethane (77-86-1) |
| Item | Specifications |
| Content | 99.5%—101.0% |
| Moisture (by karl fischer) | ≤0.3% |
| Insolubles | ≤0.005% |
| PH(5%) | 10.0-11.5 |
| UV Absorbance (290nm,40%) | ≤0.2 |
| UV Absorbance (400nm 40%) | ≤0.2 |
| Heavy metals(as pb) | ≤5ppm |
| Fe | ≤5ppm |
| Cl | ≤3ppm |
| Solubility (1.0M solution in water) | Immediately soluble yielding a clear haze-free solution free of particulates |
| Residue on ignition | ≤0.05% |
