Thermo Scientific Chemicals Tris(hydroxymethyl)aminomethane, 99+%, for biochemistry

Catalog No.	Quantity	Packaging
AC140505000	500 g	Plastic bottle
AC140500010	1 kg	Plastic bottle
AC140500025	2.5 kg	Plastic bottle
AC140500100	10 kg	Plastic drum

Catalog No. AC140505000 Supplier Thermo Scientific Chemicals Supplier No. 140505000

Description

Tris(hydroxymethyl)aminomethane, 99+%, C4H11NO3, CAS Number-77-86-1, 2-amino-2-hydroxymethyl propane-1,3-diol, tham, tris, trisamine, tris base, tris buffer, tris hydroxymethyl aminomethane, trizma, trometamol, tromethamine, 2.5kg | CAS: 77-86-1 | C₄H₁₁NO₃ | 121.14 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Biological buffer

Specifications

Chemical Identifiers

• CAS: 77-86-1
• MDL Number: MFCD00004679
• InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N
• Synonym: trometamol, tris, tromethamine, tris hydroxymethyl aminomethane, tham, trisamine, tris buffer, trizma, 2-amino-2-hydroxymethyl propane-1,3-diol, tris base
• PubChem CID: 6503
• ChEBI: CHEBI:9754
• IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol
• SMILES: C(C(CO)(CO)N)O

• Absorbance: (40% aq. soln.) (1 cm cell), (40% aq. soln.) (1 cm cell) at 0nm, 0.2 max. at 290nm
• Melting Point: >168.5°C
• Color: White
• pH: 10.0 to 11.5 (5% aq. soln.)
• Boiling Point: 219.0°C to 220.0°C (10.0 mmHg)
• Ignition Residue: 0.1% max.
• Infrared Spectrum: Authentic
• Assay Percent Range: 99+%
• Packaging: Plastic bottle
• Molecular Formula: C₄H₁₁NO₃
• Linear Formula: (HOCH₂)₃CNH₂
• Quantity: 500 g
• Beilstein: 04, 303
• Merck Index: 15, 9951
• Solubility Information: Solubility in water: 550g/L (25°C). Other solubilities: 79.1g/L ethylene glycol- 26g/L methanol (25°C),22g/L 95% ethanol- 14g/L dmf (25°C),2g/L acetone- 0.5g/L ethyl acetate (25°C),0.05g/L chloroform- <0.05g/L ccl4 (25°C)
• Molecular Weight (g/mol): 121.14
• Formula Weight: 121.14
• Percent Purity: 99+%
• Grade: Biochemistry
• Physical Form: Crystalline Powder, Crystals or Chunks
• Chemical Name or Material: Tris(hydroxymethyl)aminomethane

Safety and Handling

Hazard Category	GHS Signal Word: Warning
Hazard Statement	GHS H Statement: Causes skin irritation. May cause respiratory irritation. Causes serious eye irritation.
EINECSNumber	201-064-4

SDS

RUO – Research Use Only