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102408 Tris(hydroxymethyl)aminomethane

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Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
77-86-1201-064-4C₄H₁₁NO₃H₂NC(CH₂OH)₃121.14 g/molReag. Ph Eur,Reag. USP


Catalog NumberPackaging Qty/Pack
1024080080 Glass bottle 80 g
1024080083 Glass bottle 80 g
Catalogue Number102408
SynonymsTrometamol, Aminomethylidine trimethanol, 2-Amino-2-hydroxymethyl-1.3-propanediol, TRIS-buffer
Product Information
CAS number77-86-1
EC number201-064-4
GradeReag. Ph Eur,Reag. USP
Hill FormulaC₄H₁₁NO₃
Chemical formulaH₂NC(CH₂OH)₃
Molar Mass121.14 g/mol
HS Code2922 19 99
Structure formula ImageStructure formula Image
Quality LevelMQ300
ApplicationTris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP, Reag. Ph Eur. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.
Biological Information
Physicochemical Information
Boiling point219 - 220 °C (13.3 hPa)
Density1.32 g/cm3 (20 °C)
Melting Point169 °C
pH value10.2 - 10.6 (6 g/l, H₂O, 20 °C)
Vapor pressure<0.1 hPa (20 °C)
Bulk density840 kg/m3
Solubility678 g/l
Materials Information
Toxicological Information
LD 50 oralLD50 Rat > 5000 mg/kg
LD 50 dermalLD50 Rat > 5000 mg/kg
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Supplemental Information
Global Trade Item Number
Catalog Number GTIN
1024080080 04022536555843
1024080083 04054839567186

Related Products & Applications

Accessories (Primary)

Catalog Number Description
108450 Trifluoromethanesulfonic acid
109057 Hydrochloric acid
109065 Perchloric acid
109072 Sulfuric acid
109108 Potassium hydroxide solution
109940 Sodium carbonate solution
109964 Nitric acid solution
109137 Sodium hydroxide solution

Accessories (Secondary)


Analytics and Sample Preparation > Reference Materials > Certipur® Volumetric Standards > for Acidimetry
Reagents, Chemicals and Labware > Inorganic Reagents > Instrumental Inorganic Analysis > Certipur® Standards, Reference Materials and Buffers > Certipur® Volumetric Standards > for Acidimetry