Diphenylamine
Quantity
Unit
CAS #
122-39-4
PRODUCT
SYNONYM
DPA; Benzenamine, N-phenyl-
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FORMULA
(C6H5)2 NH
APPEARANCE
White, Light Yellow or brown particle
PURITY
99.70% min (Diphenylamine)
BOILING POINT
0.30% max (Low Boiling Point)
0.20% max (High Boiling Point)
CONTENT
0.07% max (Aniline)
FREEZING POINT (°C)
52.60 min
REACTION TEST
Neutral (Water)
MOISTURE
0.2% max
CHEMICAL STRUCTURE
MELTING POINT
52.9 c
ODOR
floral odor
VAPOR PRESSURE
1 mm hg (108.3 c)
MOLECULAR WEIGHT
169.24
COLOR
discolors in light
FLASH POINT
(cc) 153 c
SOLUBILITY
benzene, ether, glac. acetic acid, cs2, oxygenated and aromatic solvs.
DENSITY
1.159 (20 c)
PRACTICALLY INSOLUBLE
in water
VERY SOLUBLE
in ethanol, propanol, ccl4
NOTES
Diphenylamine (DPA) is a chemical widely used as an antioxidant for lubricants, propellants. It is also an important intermediate in the dye, agrochemical, pharmaceutical, and rubber and plastic additive industries.
CLASS
Synthetic Rubber Ingredients, Toxic Release Inventory (TRI) Chemicals
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