Toluene diisocyanate manufacturer Knowledge 3-Methyl-1-butanol 3-Methyl-1-butanol

3-Methyl-1-butanol 3-Methyl-1-butanol

3-methyl-1-butanol structural formula

Structural formula

Business number 03GS
Molecular formula C5H12O
Molecular weight 88.15
label

3-methylbutanol,

Isoamyl alcohol,

isobutyl alcohol,

Isobutylmethanol,

3-Isobutyl alcohol,

Isoamyl alcohol,

Isopentyl alcohol,

Primary isoamyl alcohol,

Reagents for genetic engineering research,

paint solvents,

admixture,

Edible spices,

alcohol solvent

Numbering system

CAS number:123-51-3

MDL number:MFCD00002934

EINECS number:204-633-5

RTECS number:EL5425000

BRN number:1718835

PubChem number:24858731

Physical property data

1. Properties: colorless liquid with unpleasant odor. [1]

2. Melting point (℃): -117.2[2]

3. Boiling point (℃): 132.5[3]

4. Relative density (water=1): 0.81 (15℃)[4]

5. Relative vapor density (air = 1): 3.04[5]

6. Saturated vapor pressure (kPa): 0.27 (20℃)[6]

7. Heat of combustion (kJ/mol): -3323[7]

8. Critical temperature (℃): 304[8]

9. Critical pressure (MPa): 3.92[9]

10. Octanol/water partition coefficient: 1.16[10]

11. Flash point (℃): 43 (CC) [11]

12. Ignition temperature (℃): 347[12]

13. Explosion limit (%): 9.0[13]

14. Lower explosion limit (%): 1.2[14]

15. Solubility: slightly soluble in water, miscible in ethanol, ether, benzene, chloroform, petroleum ether , easily soluble in acetone and most organic solvents. [15]

16. Viscosity (mPa·s, 20ºC): 4.2

17. Heat of evaporation (KJ/kg, b.p.): 485.79

18. Specific heat capacity (KJ/(kg·K), 20ºC, constant pressure): 2.87

19. Boiling point rising constant: 2.65

20. Electrical conductivity (S/m, 25ºC): 1.4×10-9

21. Thermal conductivity (W/(m·K), 20ºC): 15.073

22. Solubility (%, water, 20ºC): 2.4

23. Volume expansion coefficient (K-1): 0.00089

24. Normal temperature Refractive index (n25): 1.4052

25. Eccentricity factor: 0.556

26. Solubility parameter (J·cm-3)0.5: 22.322

27. van der Waals area (cm2·mol-1): 8.970×109

28. van der Waals volume (cm3·mol-1): 62.620 p>

29. Gas phase standard combustion heat (enthalpy) (kJ·mol-1): 3380.50

30. Gas phase standard claimed heat (enthalpy) (kJ·mol -1): -302.04

31. Liquid phase standard combustion heat (enthalpy) (kJ·molAbove; collect the distillate above 128℃, the isoamyl alcohol content is above 99.88%.

Purpose

1. This product has apple brandy aroma and spicy taste. Our country’s GB 2760-86 stipulates that the use of edible spices is allowed, and it is mainly used to prepare apple and banana flavors. Isoamyl alcohol is esterified with sodium nitrite to obtain isoamyl nitrite, which is the fastest acting nitrite short-acting vasodilator. Isoamyl alcohol is also used to synthesize the sedative-hypnotic drugs bromena; amytal. Isoamyl alcohol can also be used as a solvent and a reagent for chemical analysis. Also used in the production of plasticizers; raw materials for photographic pharmaceuticals. Also a component of fuel oil. Used in the manufacture of medicines, photographic medicines, spices, etc., and also as solvents and admixtures for coatings.

2. Used as an extraction agent, such as complex extraction of iron, cobalt, copper salts, and diphenylcarbazide. Used for the separation of lithium chloride from alkali metal chlorides.

3. Used as a raw material for the production of spices, plasticizers, medicines, and photographic drugs, and as a component of solvents and fuel oils.

4. Used as analytical reagents, such as extraction agents and solvents. Also used as standard material for chromatographic analysis. Used in pharmaceutical and other synthetic industries.

5. Used as photographic chemicals, flavors, analytical reagents, and in organic synthesis, pharmaceuticals, etc. [26]

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