Main page (Russian)
Search in database (English)
Properties of substance:
cyclopentane
Group of substances:
organic
Physical appearance:
colorless liquid
Empirical formula (Hill's system for organic substances):
C
5
H
1
0
Structural formula as text:
(CH2)5
Molar/atomic mass: 70.133
Melting point (°C):
-93.9
Boiling point (°C):
49.3
Solubility (g/100 g of solvent):
ethanol
: soluble [
Ref.
]
furfural
: 18.34 (19.3°C) [
Ref.
]
methanol
: 84 (5°C) [
Ref.
]
methanol
: 107.5 (10°C) [
Ref.
]
methanol
: 175 (15°C) [
Ref.
]
methanol
: miscible (16.6°C) [
Ref.
]
water
: 0.016 (25°C) [
Ref.
]
water
: 0.0296 (99.1°C) [
Ref.
]
Density:
0.755 (20°C, g/cm
3
)
Reactions:
Yeild 35,2%. [
Ref.1
]
C
5
H
10
+ 2PCl
3
+ O
2
→ C
5
H
9
P(O)Cl
2
+ POCl
3
+ HCl
Refractive index (n
D
):
1.4067 (20°C)
Dissociation:
pK
a
(1) = 44 (20°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-105.1 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
204.5 (l)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
128.8 (l)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-76.4 (g)
LD
50
(mg/kg):
11400 (rats, oral)
12800 (mice, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-29
Journal of Chemical and Engineering Data. - 1961. - Vol. 6, No. 3. - pp. 339
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 158-159
Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77 [Russian]
Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 108-109 [Russian]
Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1358 [Russian]
Токсикологический вестник. - 2000. - №4. - pp. 34 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru
Search in database (English)