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  • 8.14538 - 1,2-Phenylenediamine

8.14538 EMD Millipore


1,2-Phenylenediamine for synthesis. CAS 95-54-5, chemical formula 1,2-(NH₂)₂C₆H₄., for synthesis

Synonym: 1,2-Diaminobenzene

  • CAS Number 95-54-5

  • Linear Formula C₆H₈N₂

  • Molecular Weight 108.14 g/mol

  •  EC Number 202-430-6



Related Categories Biochemicals and Reagents More...
bp   257 °C (1013 hPa)
expl. lim.     1.5 %(V)
vapor pressure   0.013 hPa (20 °C)
solubility   54 g/l
density   1.14 g/cm3 (20 °C)
flash point   110 °C
autoignition temp.   540 °C
mp   99 - 103 °C
pH   7 - 8 (50 g/l, H₂O, 20 °C)
bulk density   530 kg/m3
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 99 °C
  Melting range (upper value): ≤ 103 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2921 51 19
Hazard Statement(s) 
H301: Toxic if swallowed.
H312 + H332: Harmful in contact with skin or if inhaled
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H341: Suspected of causing genetic defects.
H351: Suspected of causing cancer.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 3 highly water endangering
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 1673 , 6.1, III
Declaration (transport by air) IATA-DGR 
UN 1673 , 6.1, III
Declaration (transport by sea) IMDG-Code 
UN 1673 , 6.1, III
Categories of danger 
toxic, irritant, carcinogenic, sensitizing, dangerous for the environment, mutagenic
R Phrase 
R 20/21-25-36-40-43-50/53-68
Harmful by inhalation and in contact with skin.Toxic if swallowed.Irritating to eyes.Limited evidence of a carcinogenic effect.May cause sensitisation by skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Possible risk of irreversible effects.
S Phrase 
S 28-36/37-45-60-61
After contact with skin, wash immediately with plenty of soap and water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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