diphenylamine

CAS No. 122-39-4

Formula: C12H11N
Basic Info

Diphenylamine is an organic compound with the formula (C6H5)2NH. The compound is a derivative of aniline, consisting of an amine bound to two phenyl groups. The compound is a colorless solid, but commercial samples are often yellow due to oxidized impurities. Diphenylamine dissolves well in many common organic solvents, and is moderately soluble in water. It is used mainly for its antioxidant properties.

Formula
C12H11N
Molecular Weight
169.222
Exact Mass
169.089
LogP
3.5032
PSA
12.03
Synonyms

Diphenylamine,Redox-indicator

N-phenylaniline

Benzenamine, N-phenyl-

N-phenylbenzenamine

DiphenylaMine

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Properties
Appearance & Physical State
white crystals or powder
Density
1.16
Boiling Point
302ºC
Melting Point
52-54ºC
Flash Point
152ºC
Refractive Index
1.634
Water Solubility
Slightly soluble. 0.03 g/100 mL
Stability
Stable; may discolour on exposure to light. Incompatible with strong acids, strong oxidizing agents.
Storage Condition
0-6ºC
Vapor Density
5.82 (vs air)
Vapor Pressure
1 mm Hg ( 108 °C)
Safety Info
RTECS
JJ7800000
Safety Statements
S28-S36/37-S45-S60-S61
WGK Germany
3
Risk Statements
R23/24/25; R33; R50/53
HS Code
2921440000
RIDADR
UN 2811/3077
Hazard Class
6.1
Packing Group
III
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : 400 MHz in CDCl3
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IR Spectrum IR : KBr disc
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Mass Spectrum Mass spectrum (electron ionization)
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Raman Spectrum Raman : 4880 A,200 M,powder
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ESR Spectrum ESR : AIBN CATALYZED OXIDATION
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UV Spectrum UV/Visible spectrum
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Toxicity
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Oral
Species Observed
Rodent - rat
Dose/Duration
2 gm/kg
Toxic Effects
Lungs, Thorax, or Respiration--cyanosis
Reference
Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 41(5),21,1976
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Oral
Species Observed
Rodent - mouse
Dose/Duration
1750 mg/kg
Toxic Effects
Lungs, Thorax, or Respiration--cyanosis
Reference
Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 41(5),21,1976
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Oral
Species Observed
Rodent - guinea pig
Dose/Duration
300 mg/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C112,1991

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