4-Hydroxydiphenylamine

Details:

Melting point     67-73°C
Boiling point     190°C
density     1.0936 (rough estimate)
refractive index     1.5300 (estimate)
Fp     209°C
storage temp.     Keep in dark place,Inert atmosphere,Room temperature
pka    10.46±0.13(Predicted)
color     Gray, solid leaflets
BRN     511942
CAS DataBase Reference    122-37-2(CAS DataBase Reference)
NIST Chemistry Reference    Phenol, 4-(phenylamino)-(122-37-2)
EPA Substance Registry System    Phenol, 4-(phenylamino)- (122-37-2)
Safety Information
Hazard Codes     Xn
Risk Statements     37/38-41-22-21
Safety Statements     26-36/37/39-36/39
RIDADR     UN2811
RTECS     SJ6950000
TSCA     Yes
HazardClass     6.1
PackingGroup     III
HS Code     29222990
Toxicity    LD50 oral in rat: 3300mg/kg
MSDS Information
Provider    Language
ALFA    English
4-Hydroxydiphenylamine Usage And Synthesis
Definition    Gray solid leaflets. Insoluble in water; soluble in alcohol, ether, acetone, chloroform, alkali, and benzene.
Hazard    Irritant.
Safety Profile    Poison by intravenous route.Moderately toxic by ingestion. A severe eye irritant. Seealso AROMATIC AMINES. When heated todecomposition it emits toxic fumes of NOx.
Purification Methods    Crystallise the amine from chlorobenzene/pet ether, pentane (m 72o) or *C6H6/pet ether (m 70o). [Beilstein 13 III 1019, 13 IV 1052.]
4-Hydroxydiphenylamine Preparation Products And Raw materials
Raw materials    4-Phenoxyaniline-->Iodobenzene-->4-Aminophenol
Preparation Products    Sulphur Brown 96-->Phenol, 4-(phenylamino)-, sulfurized, leuco deriv.-->C.I. Leuco Sulfur Red 10-->Sulphur Red 10