1,2,3-BENZOTRIAZIN-4(3H)-ONE
1,2,3-BENZOTRIAZIN-4(3H)-ONE
  • CAS No.:90-16-4
Other grades of this product :
1,2,3-BENZOTRIAZIN-4(3H)-ONE Basic information
Product Name:1,2,3-BENZOTRIAZIN-4(3H)-ONE
Synonyms:1,2,3-Benzotriazin-4(3H)-one 98%;1,2,3-benzotriazin-4-(1h)-one;1,2,3-benzotriazin-4(1h)-one;1,2,3-Benzotriazin-4-ol;1,2,3-benzotriazin-4-one;3H-1,2,3-Benzotriazin-4-one;4-keto-(3h)-1,2,3-benzotriazine;4-Ketobenz-1,2,3-triazine
CAS:90-16-4
MF:C7H5N3O
MW:147.13
EINECS:201-971-5
Product Categories:pharmacetical;Heterocyclic Compounds;Building Blocks;Heterocyclic Building Blocks;Triazines
Mol File:90-16-4.mol
1,2,3-BENZOTRIAZIN-4(3H)-ONE Chemical Properties
Melting point 216-218 °C (lit.)
Boiling point 282℃
density 1.47
refractive index 1.5500 (estimate)
Fp 125℃
storage temp. Inert atmosphere,Room Temperature
solubility Soluble in most organic solvents.
form Solid
pka-4.67±0.20(Predicted)
color Needles from cyclohexane
BRN 124996
InChIKeyDMSSTTLDFWKBSX-UHFFFAOYSA-N
CAS DataBase Reference90-16-4(CAS DataBase Reference)
EPA Substance Registry System1,2,3-Benzotriazin-4(1H)-one (90-16-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 3
RTECS DM0800000
TSCA Yes
HazardClass IRRITANT
HS Code 2933698090
Hazardous Substances Data90-16-4(Hazardous Substances Data)
ToxicityLD50 ipr-mus: 50 mg/kg NTIS** AD277-689
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
1,2,3-BENZOTRIAZIN-4(3H)-ONE Usage And Synthesis
Chemical PropertiesTan powder. Soluble in alkaline solutions and organic bases.
UsesOrganic synthesis.
Uses1,2,3-Benzotriazin-4(3H)one is used to prepare 3-methoxymethyl-3H-benzo[d][1,2,3]triazin-4-one by reacting with dimethoxymethane. Further, it undergoes thermal condensation with alfa-amino acids to give 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones. In addition to this, it is employed as a reagent to synthesize 1,2,3-bBenzotriazin-4-one-arylpiperazine derivatives.
Uses1,2,3-Benzotriazin-4(3H)-one is part of a group of compounds that exhibit antimicrobial activity. 1,2,3-Benzotriazin-4(3H)-one is also used as a reagent to synthesize 1,2,3-Benzotriazin-4-one-arylpiperazine derivatives, compounds that act as Serotonin (HCl: S274980) receptor ligands.
DefinitionBicyclic.
General Description1,2,3-Benzotriazin-4(3H)-one is an 1,2,3-benzotriazine derivative. 1,2,3-Benzotriazin-4(3H)-one undergoes thermal condensation with α-amino acids to yield 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones. 1,2,3-benzotriazin-4(3H)-one on thermolysis yields quinazolino[3,2-c][1,2,3]benzotriazin-8-one.
Safety ProfilePoison by intraperitoneal route.Experimental reproductive effects. When heated todecomposition it emits toxic fumes of NOx.
1,2,3-BENZOTRIAZIN-4(3H)-ONE Preparation Products And Raw materials
Preparation ProductsAZINPHOS-METHYL

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