Product Name

  • Name

    1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole

  • EINECS
  • CAS No. 74257-00-4
  • Article Data2
  • CAS DataBase
  • Density 1.51 g/cm3
  • Solubility
  • Melting Point 134-139 °C(lit.)
  • Formula C11H12N4O4S
  • Boiling Point 533.4 °C at 760 mmHg
  • Molecular Weight 296.307
  • Flash Point 276.4 °C
  • Transport Information
  • Appearance light yellow solid
  • Safety 26
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 74257-00-4 (1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole)
  • Hazard Symbols IrritantXi
  • Synonyms 1-(Mesitylene-2-sulfonyl)-3-nitro-1H-1,2,4-triazole;1-(Mesitylenesulfonyl)-3-nitro-1,2,4-triazole;MSNT;
  • PSA 119.05000
  • LogP 2.95250

1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole Chemical Properties

 1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole (74257-00-4) is also named as MSNT ; Oprea1_756023 ; ZINC00115199 ; 241784_SIAL ; CID716901 ; LT00451933 ; 1-(2-Mesitylenesulfonyl)-3-nitro-1H-1,2,4-triazole ; (2,4,6-Trimethylphenyl) (3-nitro-1,2,4-triazol-1-yl) sulfone , and so on. 1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole (74257-00-4) is light yellow solid.

IUPAC Name: 3-Nitro-1-(2,4,6-trimethylphenyl)sulfonyl-1,2,4-triazole
CAS: 74257-00-4
Molecular Formula: C11H12N4O4S
Molecular Weight: 296.3
Molecular structure:
Melting point:  134-139 °C(lit.)
Storage temp.:  −20°C
H bond acceptors: 8 
H bond donors: 0 
Freely Rotating Bonds: 3 
Index of Refraction: 1.668 
Molar Refractivity: 73.06 cm
Molar Volume: 195.9 cm3 
Polarizability: 28.96 10-24cm3 
Surface Tension: 60.7 dyne/cm 
Density: 1.51 g/cm3 
Flash Point: 276.4 °C 
Enthalpy of Vaporization: 80.94 kJ/mol 
Boiling Point: 533.4 °C at 760 mmHg 
Vapour Pressure: 1.86E-11 mmHg at 25°C

1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole Uses

 1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole (74257-00-4) is commonly used as an efficient coupling reagent in oligonucleotide synthesis.

1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole Safety Profile

Hazard Codes:  Xi
Risk Statements:  36/37/38 (36/37/38:  Irritating to eyes, respiratory system and skin)
Safety Statements:  26 (26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
WGK Germany:  3

1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole Specification

Removal in wastewater treatment of 1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole (74257-00-4) can be stated as follows:
Total removal:2.25  percent
Total biodegradation:0.10  percent
Total sludge adsorption:2.16  percent
Total to Air:0.00  percent
(using 10000 hr Bio P,A,S)

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