8.06916 EMD Millipore


1,8-Diaminooctane for synthesis. CAS 373-44-4, chemical formula H₂N(CH₂)₈NH₂., for synthesis

Synonym: Octamethylenediamine, 1.8-Octanediamine

  • CAS Number 373-44-4

  • Linear Formula C₈H₂₀N₂

  • Molecular Weight 144.26 g/mol

  •  EC Number 206-764-3



Related Categories Biochemicals and Reagents More...
packaging   100 g in Glass bottle (8069160100)
bp   237 °C (1013 hPa)
expl. lim.     1.1 - 6.8 %(V)
vapor pressure   <0.1 hPa (20 °C)
solubility   575 g/l
density   0.83 g/cm3 (60 °C)
flash point   106 °C DIN 51758
autoignition temp.   280 °C DIN 51794
mp   51 °C
pH   11.7 (4 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat 500 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 50 °C
  Melting range (upper value): ≤ 55 °C
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2921 29 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H317: May cause an allergic skin reaction.
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.
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.
RG 8841500
Storage class 
8A Combustible, corrosive hazardous materials
WGK 2 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) 
GHS07  GHS07
Hazard Symbols 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 3259 , 8, II
Declaration (transport by air) IATA-DGR 
UN 3259 , 8, II
Declaration (transport by sea) IMDG-Code 
UN 3259 , 8, II, Segregation Group: 18 (Alkalis)
Categories of danger 
harmful, corrosive, sensitizing
R Phrase 
R 22-34-43
Harmful if swallowed.Causes burns.May cause sensitisation by skin contact.
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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