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8.21980 EMD Millipore

1,4-Diaminobutane dihydrochloride

1,4-Diaminobutane dihydrochloride for synthesis. CAS 333-93-7, chemical formula H₂N(CH₂)₄NH₂ * 2 HCl., for synthesis

Synonym: 1,4-Butanediammonium dichloride, Putrescine dihydrochloride, Tetramethylenediammonium dichloride

  • CAS Number 333-93-7

  • Linear Formula C₄H₁₄Cl₂N₂

  • Molecular Weight 161.07 g/mol

  •  EC Number 206-375-9



Related Categories Biochemicals and Reagents More...
expl. lim.     0.7 - 11.2 %(V)
vapor pressure   436 Pa (25 °C)
solubility   930 g/l soluble
density   0.88 g/cm3 (25 °C)
flash point   45 °C
mp   28 °C
storage temp.   Store below +30°C.
specifications   Assay (argentometric): ≥ 98.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2921 29 00
Hazard Statement(s) 
H290: May be corrosive to metals.
H302: Harmful if swallowed.
H311: Toxic in contact with skin.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
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 
6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3 highly 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) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 2928 , 6.1 (8), II
Declaration (transport by air) IATA-DGR 
UN 2928 , 6.1 (8), II
Declaration (transport by sea) IMDG-Code 
UN 2928 , 6.1 (8), II
R Phrase 
R 21/22-23-34
Harmful in contact with skin and if swallowed.Toxic by inhalation.Causes burns.
S Phrase 
S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, 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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