8.45055 EMD Millipore


Pyrrole Msynth®plus. CAS 109-97-7, pH >6 (10 g/l, H₂O, 20 °C)., Msynth®plus

  • CAS Number 109-97-7

  • Linear Formula C₄H₅N

  • Molecular Weight 67.09 g/mol

  •  EC Number 203-724-7



Related Categories Biochemicals and Reagents More...
packaging   25 ml in Glass bottle (8450550025)
bp   130 - 131 °C (1013 hPa)
expl. lim.     3.10 - 14.8 %(V)
vapor pressure   8.7 hPa (20 °C)
solubility   60 g/l
density   0.97 g/cm3 (20 °C)
flash point   39 °C
autoignition temp.   550 °C
mp   -24 °C
pH   >6 (10 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat 137 mg/kg
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Colour (visual): yellow
  Appearance of substance (visual): liquid
  Assay (GC, area%): ≥ 97.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.967 - 0.971
  Identity (IR): passes test

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Safety Information

HS Code 
2933 99 80
Hazard Statement(s) 
H226: Flammable liquid and vapour.
H301: Toxic if swallowed.
H318: Causes serious eye damage.
H332: Harmful if inhaled.
Precautionary Statement(s) 
P210: Keep away from heat.
P280: Wear eye protection.
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 
3 Flammable liquids
WGK 2 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) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 1992 , 3 (6.1), II
Declaration (transport by air) IATA-DGR 
UN 1992 , 3 (6.1), II
Declaration (transport by sea) IMDG-Code 
UN 1992 , 3 (6.1), II
Categories of danger 
flammable, toxic, irritant
R Phrase 
R 10-20-25-41
Flammable.Harmful by inhalation.Toxic if swallowed.Risk of serious damage to eyes.
S Phrase 
S 26-37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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