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Hexane

Hexane is a colourless solvent. This product is essentially designed for use as a solvent in extraction of vegetable oils such as cotton seed, groundnut, mustard, rape seed, etc. It is also used for extraction of essential oils from flowers.

It is also used in the preparation of rubber adhesives, can sealing compounds and as a fuel in gas generation plants.

THE FOLLOWING SPECIFICATION OF HEXANE CONFORMS TO IS 3470:1966
(REAFFIRMED 2000 & AMENDMENT NO.2).

Sr. no.

                   Characteristics

Test Method IS:1448

   Requirements

i)

Distillation

  1. Initial Boiling Point, °c, min.
  2. Dry Point, °c, max.
  3. Temperature range of final 10%, °c, max.

P:18 (Method B)

 


63
70
2

ii)

Composition:

a. Aromatics,% V, max.
b. Saturates, % V, min.

 

P:63*
P:23

 

1.0
98.5

iii)

Density at 25 °c, max.

IP 59/57-Determination of density given in Appendix of standard P: 32

0.687

iv)

Colour (Saybolt), min.

P:14

+30

v)

Sulphur Content, ppm, max.

ASTMD D 1266-64T & IP 107-65-Determination of sulphur given in Appendix ‘B’ of the standard

75

vi)

Copper strip corrosion, 3 hrs. at 50 °c, max.

P:15 (Method c)

1

vii)

Doctor Test

P:19

Negative

viii)

Lead, g/l, max.

ASTM D 1368-62 T-Determination of lead given in Appendix ‘C’ of the standard

0.0005

ix)

Phosphates, ppm., max.

P:54

20

x)

Chlorides (as cl), ppm, max.

Determination of chlorides as per Appendix D of the standard

20

xi)

Bromine Number, max.

P:44

1

xii)

Non-volatile residue, g/100 ml., max.

ASTM D 1353-56 given in Appendix ‘E’ of the standard

0.001

xiii)

Reaction of non-volatile residue

Appendix : F

To pass the test

xiv)

Ultraviolet (UV) Absorbance test:
Absorbance per centimeter optical path length, in the range of UV wavelength (nm), max.
                     260-289
                     290-299
                     300-359
                     360-400

Appendix C of IS 1758:1986





0.15
0.13
0.06
0.02

xv)

Refractive Index

*

1.375-1.384

*Under Preparation.

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