Product Name

  • Name

    Tris(hydroxymethyl)aminomethane acetate salt

  • EINECS 229-939-6
  • CAS No. 6850-28-8
  • Article Data5
  • CAS DataBase
  • Density 1.09 g/mL at 20 °C
  • Solubility 0.5 M at 20 °C in water
  • Melting Point 120-121 °C
  • Formula C4H11NO3.C2H4O2
  • Boiling Point 357 °C at 760 mmHg
  • Molecular Weight 181.189
  • Flash Point 169.7 °C
  • Transport Information
  • Appearance Powder
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 6850-28-8 (Tris(hydroxymethyl)aminomethane acetate salt)
  • Hazard Symbols HarmfulXn
  • Synonyms Tris(hydroxymethyl)amino methane acetate;Tris Acetate;Tris(Hydroxymethyl)aminomethane acetate [TRIS·Acetate];[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]ammonium acetate;tris-(Hydroxymethyl) aminomethane acetate;Tris acetic acid;
  • PSA 124.01000
  • LogP -1.54800

Synthetic route

acetic acid
64-19-7

acetic acid

2-amino-2-hydroxymethyl-1,3-propanediol
77-86-1

2-amino-2-hydroxymethyl-1,3-propanediol

tris(hydroxymethyl)-aminomethane acetate
6850-28-8

tris(hydroxymethyl)-aminomethane acetate

Conditions
ConditionsYield
In chloroform for 2.5h; 0 deg C to room temp.; Yield given;
In water at 20℃; for 20h;
4-nitrophenol acetate
830-03-5

4-nitrophenol acetate

2-amino-2-hydroxymethyl-1,3-propanediol
77-86-1

2-amino-2-hydroxymethyl-1,3-propanediol

A

tris(hydroxymethyl)-aminomethane acetate
6850-28-8

tris(hydroxymethyl)-aminomethane acetate

B

4-Nitro-phenol; compound with 2-amino-2-hydroxymethyl-propane-1,3-diol

4-Nitro-phenol; compound with 2-amino-2-hydroxymethyl-propane-1,3-diol

Conditions
ConditionsYield
With water In 1,4-dioxane at 30℃; Product distribution; Rate constant; pH 8; other p-nitrophenyl alkanoates; var. buffer systems;
...Expand

Trizma acetate Chemical Properties

Structure of Trizma acetate (CAS NO.6850-28-8):

IUPAC Name: [1,3-Dihydroxy-2-(hydroxymethyl)propan-2-yl]azanium acetate
Molecular Weight: 181.187 g/mol
Molecular Formula: C6H15NO5 
Density: 1.09 g/mL at 20 °C                          
Flash Point: 169.7 °C            
Boiling Point: 357 °C at 760 mmHg                 
Vapour Pressure: 1.57E-06 mmHg at 25 °C  
Melting Point: 120-121 °C
Water Solubility: 0.5 M at 20 °C
Storage Temp: store at RT.
H-Bond Donor: 4
H-Bond Acceptor: 5
Rotatable Bond Count: 3
Exact Mass: 181.095023
MonoIsotopic Mass: 181.095023
Topological Polar Surface Area: 129
Heavy Atom Count: 12 
Canonical SMILES: CC(=O)[O-].C(C(CO)(CO)[NH3+])O
InChI: InChI=1S/C4H11NO3.C2H4O2/c5-4(1-6,2-7)3-8;1-2(3)4/h6-8H,1-3,5H2;1H3,(H,3,4)
InChIKey: PIEPQKCYPFFYMG-UHFFFAOYSA-N
EINECS: 229-939-6
Product Categories of Trizma acetate (CAS NO.6850-28-8): Buffer; Buffers; Protein Electrophoresis; SDS-PAGE

Trizma acetate Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 36/37/38
36:  Irritating to the eyes
37:  Irritating to the respiratory system
38:  Irritating to the skin
Safety Statements: 26-36
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing
WGK Germany: 3
F: 3

Trizma acetate Specification

 Trizma acetate (CAS NO.6850-28-8) is also named as Tris(hydroxymethyl)aminomethane acetate ; (2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)ammonium acetate ; 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, acetate (1:1) ; 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, acetate (salt) .

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