Butyraldehyde
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Specifications
Butyraldehyde
Chinese Name: aldehyde, butyraldehyde, butyric aldehyde
English Name: butyraldehyde, Butanal
Molecular formula: C4H8O
Molecular weight: 72.11
CAS number: 123-72-8
MDL number: MFCD00007023
EINECS number: 204-646-6
RTECS number: ES2275000
BRN number: 506061
PubChem number: 24852432
Properties: flammable, and its vapor mixed with air can form explosive gas, air and easy to be oxidized into butyric acid. Flammable, with strong oxidizing agents and many substances oxidation,
reduction, condensation reaction, polymerization of epoxide generation, can an addition reaction and olefin, alcohol, ammonia and its derivatives.
Physical property data
1 Properties: colorless, flammable and transparent liquid, has the pungent odor aldehydes.
2 boiling point ( C, 101.3kPa): 74.8
3 melting point ( C): -96.4
4 relative density (g/mL, 20/4 C): 0.8016
5 relative density (g/mL, 20/20 C): 0.8048
The 6 refractive index (n20 C): 1.3791
7 viscosity (mPa, s, 20 C): 0.449
Flash point (º, 8; C, open cup): -9.4
Flash point (º, 9; C, closed cup): -6.67
10 ignition ( C): 230
11 heat of formation (KJ/kg): 240.45
12 heat of combustion (KJ/kg): 2480.34
13 the latent heat of evaporation (KJ/kg, 74.7 C): 437.1
14 specific heat capacity (KJ/ (kg, K), 20 C): 2.20
15 thermal conductivity (W/ (m, K), 20 C): 0.1499
16 of the lower explosive limit (%, V/V): 1.5
The 17 upper explosive limit (%, V/V): 12.5
18 vapor pressure (kPa, 20 C): 11.54
19 solubility: with ethanol, ethyl ether, ethyl acetate, acetone, toluene, etc. most of the organic solvents and oil miscible, soluble in water (at 25 7.1g/100g).
20 relative density (25 DEG, 4 DEG C): 0.7964
21 ambient refractive index (N25): 1.3766
The 22 critical temperature ( C): 2363.85
23 critical pressure (MPa): 4.32
The 24 critical density (g cm-3): 0.280
25 critical volume (cm3 mol-1): 258
26 critical compressibility factor: 0.250
27 eccentric factor: 0.345
28 solubility parameters (J, cm-3) 0.5:18.933
29 van der Waals area (cm2, mol-1): 7.190 x 109
30 van der Waals volume (cm3 mol-1): 49.270
31 gas phase standard combustion heat (enthalpy) (kJ, mol-1):-2511.8
32 gas phase standard claims that heat (enthalpy) (kJ, mol-1):-204.8
33 gas phase standard entropy (J mol-1 K-1):345.22
34 gas phase standard free energy of formation (kJ mol-1):-114.6
The 35 liquid phase standard combustion heat (enthalpy) (kJ, mol-1):-2478.1
The 36 liquid phase standard claims that heat (enthalpy) (kJ, mol-1):-239.2
The 37 liquid phase standard entropy (J mol-1 K-1):247.7
The 38 liquid phase standard free energy of formation (kJ mol-1):-119.9
The 39 liquid phase standard hot melt (J mol-1 K-1):159.0
- Country: China (Mainland)
- Business Type:
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- Founded Year:2010
- Address:No.496,Zhongshan Road, Wuhan, Hubei, China
- Contact:Cassie Lee
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