1. Basic Identification Information

Parameter	English Specification/Value
IUPAC Name	2,2-Dibromo-2-cyanoacetamide (also referred to as 2,2-dibromo-3-nitrilopropionamide)
Common Name(s)	DBNPA; Dibromo-3-nitrilopropionamide; Dibromocyanoacetamide; 2,2-Dibromo-2-carbamoylacetonitrile
CAS Registry Number	10222-01-2
EC/EINECS Number	233-539-7
Molecular Formula	C₃H₂Br₂N₂O
Molecular Weight	241.87 g/mol
Chemical Class	Brominated cyanoacetamide derivative; fast-acting non-oxidizing industrial biocide; antimicrobial preservative

2. Physicochemical Properties

Property Category	Specific Parameter	Specification/Value
Structural Features	Functional Groups	Two bromine substituents (-Br); cyano group (-CN); amide linkage (-CONH₂) on a methylene carbon
Physical Appearance	State & Color	White to off-white crystalline powder; mild antiseptic odor
	Melting Point	122–127 °C (lit.; slight decomposition above melting point)
	Boiling Point	Decomposes before reaching boiling temperature (decomposes >180 °C)
	Density (25 °C)	2.28 g/cm³ (crystalline form)
Solubility	Polar Solvents	Soluble in ethanol (1 g/10 mL), acetone (1 g/8 mL), dimethylformamide (DMF); moderately soluble in propylene glycol (1 g/20 mL)