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252859
Tris(hydroxymethyl)aminomethane
ACS reagent, ≥99.8%
Recommended Products
grade
ACS reagent
Quality Level
Assay
≥99.8%
99.8-100.1%
form
crystalline
impurities
≤0.005% insolubles
≤2% water
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
cation traces
Fe: ≤5 ppm
heavy metals: ≤5 ppm (ICP)
absorption
passes test
SMILES string
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
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This Item | 1.02408 | T1503 | 93362 |
|---|---|---|---|
| assay ≥99.8%, 99.8-100.1% | assay - | assay ≥99.9% (titration) | assay ≥99.8% (T) |
| form crystalline | form solid | form crystalline | form crystalline |
| impurities ≤0.005% insolubles, ≤2% water | impurities - | impurities - | impurities DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected |
| mp 167-172 °C (lit.) | mp 167-172 °C (lit.) | mp 167-172 °C (lit.) | mp 167-172 °C (lit.), 168-172 °C |
| cation traces Fe: ≤5 ppm, heavy metals: ≤5 ppm (ICP) | cation traces - | cation traces - | cation traces Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg |
General description
Application
Other Notes
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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