33742
Trizma® base
≥99.5%, crystalline, puriss p.a., aminopeptidase substrate
Synonym(s):
2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Tris(hydroxymethyl)aminomethane, Trometamol
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About This Item
Product Name
Trizma® base, puriss. p.a., buffer substance, ≥99.5%
description
aminopeptidase substrate
grade
puriss. p.a.
assay
≥99.5%
form
crystalline
impurities
≤0.0005% heavy metals (as Pb), ≤0.5% water (Karl Fischer)
ign. residue
≤0.05% (as SO4)
color
white
pH
10.3-10.8 (0.1 M)
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.), 168-172 °C
solubility
water: soluble (678 g/l at 20 °C)
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤10 mg/kg
cation traces
Fe: ≤5 mg/kg
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
Other Notes
For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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