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  • 8.20536 - N,N'-Diphenyl-1,4-phenylenediamine

8.20536 EMD Millipore


N,N'-Diphenyl-1,4-phenylenediamine for synthesis. CAS 74-31-7, EC Number 200-806-4, chemical formula 1,4-(C₆H₅NH)₂C₆H₄., for synthesis

Synonym: DPPD

  • CAS Number 74-31-7

  • Linear Formula C₁₈H₁₆N₂

  • Molecular Weight 260.33 g/mol

  •  EC Number 200-806-4



Related Categories Biochemicals and Reagents More...
packaging   10 kg in Fibre carton (8205369010)
  250 g in Glass bottle (8205360250)
bp   220 - 225 °C (1.33 hPa)
density   1.3 g/cm3 (20 °C)
mp   135 °C
bulk density   560 kg/m3
LD 50 oral   LD50 Rat 2370 mg/kg
LD 50 dermal   LD50 Rat 4500 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 95.0 % (a/a)
  Identity (IR): passes test

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Safety Information

HS Code 
2921 59 90
Hazard Statement(s) 
H317: May cause an allergic skin reaction.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) 
P262: Do not get in eyes, on skin, or on clothing.
P273: Avoid release to the environment.
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Storage class 
10 - 13 Other liquids and solids
WGK 1 slightly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Irritant  Irritant
Categories of danger 
sensitizing, dangerous for the environment
R Phrase 
R 43-52/53
May cause sensitisation by skin contact.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 24-37-61
Avoid contact with skin.Wear suitable gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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