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HomeProduct name list1,8-Diaminooctane

1,8-Diaminooctane

Synonym(s):1,8-Diaminooctane;1,8-Octanediamine;Octamethylenediamine;Octamethylenediamine, 1.8-Octanediamine

  • CAS NO.:373-44-4
  • Empirical Formula: C8H20N2
  • Molecular Weight: 144.26
  • MDL number: MFCD00008248
  • EINECS: 206-764-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-28 16:48:35
1,8-Diaminooctane Structural

What is 1,8-Diaminooctane?

Chemical properties

white to yellowish solidified crystalline mass

The Uses of 1,8-Diaminooctane

1,8-Diaminooctane is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.

Definition

ChEBI: 1,8-diaminooctane is an alkane-alpha,omega-diamine in which the two amino groups are separated by eight methylene groups. It derives from a hydride of an octane.

Flammability and Explosibility

Non flammable

Safety Profile

Moderately toxic by ingestion. Asevere skin and eye irritant. When heated todecomposition it emits toxic vapors of NOx.

Purification Methods

Distil the diamine under vacuum in an inert atmosphere (N2 or Ar), cool and store the distillate in an inert atmosphere in the dark. The dihydrochloride has m 273-274o. [Nae & Le Helv Chim Acta 15 55 1955, Beilstein 4 III 612.]

Properties of 1,8-Diaminooctane

Melting point: 50-52 °C(lit.)
Boiling point: 225-226 °C(lit.)
Density  0.98 g/mL at 20 °C
vapor pressure  <0.1 hPa (20 °C)
refractive index  1.4618 (estimate)
Flash point: 329 °F
storage temp.  Store below +30°C.
solubility  575g/l
form  Solidified Crystalline Mass
pka 11.00, 10.1(at 20℃)
color  White to yellow
PH 11.7 (4g/l, H2O, 20℃)
explosive limit 1.1-6.8%(V)
Water Solubility  575 g/L (20 ºC)
Sensitive  Hygroscopic
BRN  1735426
CAS DataBase Reference 373-44-4(CAS DataBase Reference)
NIST Chemistry Reference 1,8-Diaminooctane(373-44-4)
EPA Substance Registry System 1,8-Octanediamine (373-44-4)

Safety information for 1,8-Diaminooctane

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H314:Skin corrosion/irritation
H317:Sensitisation, Skin
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 1,8-Diaminooctane

InChIKey PWGJDPKCLMLPJW-UHFFFAOYSA-N

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