1.08320
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid
pKa (20 °C)8.40, ≥99% (alkalimetric)
别名:
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, TAPS
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化学文摘社编号:
分子量:
243.27
UNSPSC Code:
12161703
EC Index Number:
249-954-1
NACRES:
NA.05
MDL number:
SMILES string
[S](=O)(=O)([O-])CCC[N+H2]C(CO)(CO)CO
InChI
1S/C7H17NO6S/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14/h8-11H,1-6H2,(H,12,13,14)
InChI key
YNLCVAQJIKOXER-UHFFFAOYSA-N
assay
≥99% (alkalimetric)
pKa (20 °C)
8.40
storage temp.
2-30°C
Quality Level
General description
buffer substance TAPS
Application
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid buffer substance TAPS. CAS 29915-38-6, molar mass 243.27 g/mol.
Analysis Note
Assay (alkalimetric)≥ 99 %Identity (IR-spectrum)passes testUV-Absorption (250 nm, 20 g/l, 1 cm, water)≤ 0.05Chloride (Cl)≤ 0.005 %Sulphate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Na (Sodium)≤ 0.005 %Loss on Drying (105°C)≤ 0.2 %Biological buffer, pKa at 20 °C8.40
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
230.0 °F - closed cup
flash_point_c
> 110 °C - closed cup
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