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CAS RN: 19333-63-2 | Product Number: B0282

TNBT Diformazan

  • 1,1'-(3,3'-Dimethoxy-4,4'-diphenylene)bis-3,5-di(p-nitrophenyl)diformazan
  • Tetranitro Blue Tetrazolium Diformazan
1   8  
1   12  

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Product Number B0282
Molecular Formula / Molecular Weight C__4__0H__3__0N__1__2O__1__0 = 838.75 
Physical State (20 deg.C) Solid
CAS RN 19333-63-2
PubChem Substance ID 87563385
MDL Number


Appearance Red to Dark blue to Black powder to crystal
Lambda max. 513.0 to 517.0 nm(DMF)
Properties (reference)
Maximum Absorption Wavelength 513(DMF) nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements H228 : Flammable solid.
Precautionary Statements P240 : Ground and bond container and receiving equipment.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P241 : Use explosion-proof electrical/ ventilating/ lighting equipment.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Related Laws:
Transport Information:
UN Number UN1325
Class 4.1
Packing Group III
HS Number 2928009090
PubMed Literature

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