What is Naphtha?

Naphtha is a general term that has been used for over two thousand years to refer to flammable liquid hydrocarbon mixtures. Mixtures labeled naphtha have been produced from natural gas condensates, petroleum distillates, and the distillation of coal tar and peat. It is used diversely in different industries and regions to refer to gross products like crude or refined products such as kerosene. Naphthas are Refined or partly refined light distillates with an approximate boiling point range between 122- and 400-degrees Fahrenheit. Blended further or mixed with other materials, they make high-grade motor gasoline or jet fuel. Specialty naphtha comes in many varieties and each are referred to by separate names such as petroleum ether, petroleum spirits, mineral spirits, paraffin, benzine, hexane, ligroin, white oil or white gas, painters naphtha, refined solvent naphtha and Varnish makers\’ & painters\’ naphtha

Usage of the product

The main uses of naphtha fall into the general areas of solvents (diluents) for paints, for example;
  •  Dry-cleaning solvents;
  • Solvents for cutback asphalt;
  • Solvents in the rubber industry;
  • And solvents for industrial extraction processes.

 Which products are made from naphtha?

It is used as feedstock for pyrolysis (NCC) to produce ethylene, propylene, butadiene, benzene, toluene and xylene that are basic feedstock for petrochemistry. They are in turn used to make a wide range of products including synthetic resins, synthetic rubber, synthetic fiber, dye and medicine.

Is naphtha the same as gasoline?

In accordance with DIN EN 228, gasoline mainly consists of various hydrocarbons obtained by distilling crude oil. The fraction of the crude oil with a boiling range between 35°C and 210°C is referred to as naphtha. So, gasoline is refined naphtha.

Analysis the product

Analysis Unit limit Test Method
Density @ 15.0 ·c Kg/m3 0.700-0.765 ASTM D1298
Distillation ·c ASTM D86
I.B.P ·c 75-90 ASTM D86
F.B.P ·c 170-200 ASTM D86
Residue %Vol 0.5-1.5 ASTM D86
Loss %Vol 0.5-1.5 ASTM D86
Total Sulphur %Wt 0.05-0.15 ASTM D1266
Vapour Pressure K.Pa 13-24 ASTM D323
H2S PPM Trace IP-103
Colour, Saybolt 25 min ASTM D1500
Bromine Number Mg/100ml 1 max ASTM D1159
Paraffin Content %Vol 50-70 GC
Olefins Content %Vol 0.5-1 GC
Naphthene Content %Vol 15-30 GC
Aromatics Content %Vol 10-18 GC
Lead (PB) P.P.B 20 max UOP-350
Cupper PPM 0.03-0.07 A.A
Silicon PPM Trace A.A
Nitrogen PPM 1 max UOP-313
Water Content PPM 300 max ASTM E1064
Chloride PPM 5-10 UOP-799
As P.P.B 10 max A.A
C/H Ratio %Vol 5.5-6.5 Calculate
Gum Existent Mg/100ml 1 ASTM D381
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