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HomeProduct name listCyclopentylamine

Cyclopentylamine

Synonym(s):Aminocyclopentane

  • CAS NO.:1003-03-8
  • Empirical Formula: C5H11N
  • Molecular Weight: 85.15
  • MDL number: MFCD00001380
  • EINECS: 213-697-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-06 16:32:36
Cyclopentylamine Structural

What is Cyclopentylamine?

Chemical properties

a colorless liquid with an ammoniacal odor.

The Uses of Cyclopentylamine

Cyclopentylamine acts as an important raw material and intermediate used in organic synthesis and pharmaceuticals. Further, it serves as chemokine receptor 2 antagonists. It acts as a ligand in coordination chemistry and forms cis-dichlorobis(cyclopentylamine)platinum(II) complex.

Preparation

Cyclopentylamine is produced from cyclopentanone and ammonia over nickel catalysts at 20 MPa and 150 – 200℃ in the presence of circulating hydrogen over a fixedbed catalyst.

What are the applications of Application

Cyclopentylamine is used in small amounts as an intermediate for the potato and rice fungizide pencycuron (Bayer, Nihon Tokushu, Noyaku Seizo).

Flammability and Explosibility

Highly flammable

Purification Methods

The amine may contain H2O or CO2 in the form of carbamate salt. Dry it over KOH pellets and then distil it from a few pellets of KOH. Store it in a dark, dry CO2-free atmosphere. It is characterised as the thiocyanate salt m 94.5o. The benzenesulfonyl derivative has m 68.5-69.5o. [Roberts & Chambers J Am Chem Soc 73 5030 1951, Bollinger et al. J Am Chem Soc 75 1729 1953, Beilstein 12 IV 4.]

Properties of Cyclopentylamine

Melting point: -85°C
Boiling point: 106-108 °C(lit.)
Density  0.863 g/mL at 25 °C(lit.)
vapor pressure  26.72hPa at 20℃
refractive index  n20/D 1.450(lit.)
Flash point: 63 °F
storage temp.  Flammables area
form  Liquid
pka pK1:10.65(+1) (25°C)
color  Clear
explosive limit 1.3-9.40%(V)
Water Solubility  MISCIBLE
BRN  635706
CAS DataBase Reference 1003-03-8(CAS DataBase Reference)
NIST Chemistry Reference Cyclopentanamine(1003-03-8)
EPA Substance Registry System Cyclopentanamine (1003-03-8)

Safety information for Cyclopentylamine

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H225:Flammable liquids
H300:Acute toxicity,oral
H314:Skin corrosion/irritation
H317:Sensitisation, Skin
H331:Acute toxicity,inhalation
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
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 Cyclopentylamine

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