1.08387

Tris Base

solid, TRIS LAB

• Synonym(s): Tris Base, Tris(hydroxymethyl)aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol
• Linear Formula: NH₂C(CH₂OH)₃
• CAS Number: 77-86-1
• Molecular Weight: 121.14
• Beilstein: 741883
• MDL number: MFCD00004679
• UNSPSC Code: 12352104
• EC Index Number: 201-064-4

Properties

• product name: Tris(hydroxymethyl)aminomethane, TRIS LAB
• vapor pressure: 0.0267 hPa ( 20 °C)
• Quality Level: 100
• form: solid
• potency: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rat)
• pH: 10.2-10.6 (20 °C, 6 g/L in H₂O)
• useful pH range: 7-9
• pKa (25 °C): 8.1
• bp: 219-220 °C/10 mmHg (lit.); 219-220 °C/13.3 hPa
• mp: 167-172 °C (lit.)
• solubility: 678 g/L
• density: 1.35 g/cm³ at 23 °C
• bulk density: 840 kg/m³
• storage temp.: 15-25°C
• 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

Description

General description

TRIS LAB

Application

Tris(hydroxymethyl)aminomethane TRIS LAB. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.

Analysis Note

Assay (acidimetric, calc. on anhydrous substance)99.8 - 100.1 %Identity (IR-spectrum)conformsIn water insoluble matter≤ 0.005 %Absorbance (290 nm; 40 %; 1 cm; water)≤ 0.2Chloride (Cl)≤ 0.001 %Sulfate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Fe (Iron)≤ 0.0005 %Sulfated ash≤ 0.05 %Water (according to Karl Fischer)≤ 0.5 %

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable