Thermo Scientific Chemicals Tris(hydroxymethyl)aminomethane, 99.8%, for analysis, biochemical grade

Product Code	Brand	Quantity	Packaging
10513921	Thermo Scientific Chemicals 167621000	100 g	Plastic bottle
10032210	Thermo Scientific Chemicals 167620010	1 kg	Plastic bottle
10531974	Thermo Scientific Chemicals 167620051	5 kg	Plastic drum

Description

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

Chemical Identifiers

• CAS: 77-86-1
• Molecular Weight (g/mol): 121.14
• InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N
• PubChem CID: 6503
• IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol

• Molecular Formula: C₄H₁₁NO₃
• MDL Number: MFCD00004679
• Synonym: trometamol, tris, tromethamine, tris hydroxymethyl aminomethane, tham, trisamine, tris buffer, trizma, 2-amino-2-hydroxymethyl propane-1,3-diol, tris base
• ChEBI: CHEBI:9754
• SMILES: C(C(CO)(CO)N)O

Specifications

• CAS: 77-86-1
• Melting Point: >168.5°C
• pH: 10.0 to 11.5 (5% aq. soln.)
• Infrared Spectrum: Authentic
• Molecular Formula: C₄H₁₁NO₃
• MDL Number: MFCD00004679
• 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)
• SMILES: C(C(CO)(CO)N)O
• Molecular Weight (g/mol): 121.14
• ChEBI: CHEBI:9754
• Percent Purity: 99.8%
• Physical Form: Powder

• Absorbance: (40% aq. soln.) (1 cm cell) (10% aq. soln.) (1 cm cell), (10% aq. soln.) (1 cm cell) (40% aq. soln.) (1 cm cell) at 0nm, 0.1 max. at 260nm, 0.1 max. at 280nm, 0.2 max. at 290nm
• Color: Brown to White
• Boiling Point: 219.0°C to 220.0°C (10.0 mmHg)
• Assay Percent Range: 99.8%
• Linear Formula: (HOCH₂)₃CNH₂
• Beilstein: 04, 303
• Synonym: trometamol, tris, tromethamine, tris hydroxymethyl aminomethane, tham, trisamine, tris buffer, trizma, 2-amino-2-hydroxymethyl propane-1,3-diol, tris base
• InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N
• IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol
• PubChem CID: 6503
• Formula Weight: 121.14
• Grade: Analysis
• Chemical Name or Material: Tris(hydroxymethyl)aminomethane

Safety and Handling

GHS H Statement:
Causes skin irritation.
May cause respiratory irritation.
Causes serious eye irritation.

GHS P Statement:
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN: Wash with plenty of soap and water.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

GHS Signal Word: Warning

missing translation for 'einecsNumber' : 201-064-4

Product Identifier

• Tris(hydroxymethyl)aminomethane

RUO – Research Use Only