8.20247 EMD Millipore

Butyl nitrite

Butyl nitrite for synthesis. CAS No. 544-16-1, EC Number 208-862-1., for synthesis

Synonym: Nitrous acid butyl ester

  • CAS Number 544-16-1

  • Linear Formula C₄H₉NO₂

  • Molecular Weight 103.12 g/mol

  •  EC Number 208-862-1



Related Categories Biochemicals and Reagents More...
packaging   50 ml in Glass bottle (8202470050)
density   0.88 g/cm3 (20 °C)
flash point   10 °C
LD 50 oral   LD50 Rat 83 mg/kg
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Assay (GC, area%): ≥ 97.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.882 - 0.885
  Identity (IR): passes test

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Safety Information

HS Code 
2920 90 70
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H331: Toxic if inhaled.
H301: Toxic if swallowed.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P233: Keep container tightly closed.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
3 Flammable liquids
WGK 3 highly water endangering
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Symbols 
Flammable  Flammable
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 2351 , 3, II
Declaration (transport by air) IATA-DGR 
UN 2351 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 2351 , 3, II
Categories of danger 
highly flammable, toxic
R Phrase 
R 11-23/25
Highly flammable.Toxic by inhalation and if swallowed.
S Phrase 
S 16-24-45
Keep away from sources of ignition - No smoking.Avoid contact with skin.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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