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Gasoline (petrol)

Gasoline or Petrol, is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.

The characteristic of a particular gasoline blend to resist igniting too early (which causes knocking and reduces efficiency in reciprocating engines) is measured by its octane rating. Gasoline is produced in several grades of octane rating. Tetraethyllead and other lead compounds are no longer used in most areas to regulate and increase octane-rating, but many other additives are put into gasoline to improve its chemical stability, control corrosiveness and provide fuel system 'cleaning,' and determine performance characteristics under intended use. Sometimes, gasoline also contains ethanol as an alternative fuel, for economic or environmental reasons.

Gasoline, as used worldwide in the vast number of internal combustion engines used in transport and industry, has a significant impact on the environment, both in local effects (e.g., smog) and in global effects (e.g., effect on the climate). Gasoline may also enter the environment uncombusted, as liquid and as vapors, from leakage and handling during production, transport and delivery, from storage tanks, from spills, etc. As an example of efforts to control such leakage, many (underground) storage tanks are required to have extensive measures in place to detect and prevent such leaks. The material safety data sheet for unleaded gasoline shows at least 15 hazardous chemicals occurring in various amounts. Benzene and many anti-knocking additives are carcinogenic.

AI-92-K5-Euro Unleaded Gasoline and AI -95-K5-Euro Unleaded Gasoline

AI-95-K5-Euro Unleaded Gasoline complies with European Standard EN 228 “Automotive fuels. Unleaded petrol. Requirements and test methods” requirements.

Unleaded gasoline AI-92-K5-Euro meets the requirements of EN 228 expert for the requirements to the minimum values of octane numbers determined by research and motor methods.

No metal-and amine-containing additives have been used. 
Methyl tert-butyl ether (MTBE) has been used as an oxygenate for blending of the gasoline grade AI-95-K5-Euro.

STB 1656-2011

Property

Unit

Test Method

Limits

min

max

Research octane number, RON:

AI-92-K5-Euro

AI-95-K5-Euro

STB ISO 5164

 

92,0

95,0

Motor octane number, MON:

AI-92-K5-Euro

AI-95-K5-Euro

STB ISO 5163

 

83,0

85,0

Lead content

mg/l

STB EN 237

5,0

Density (at 15 °С)

kg/m3

STB ISO 3675

720,0

775,0

Sulfur content

mg/kg

STB ISO 20846

10,0

Oxidation stability

min

STB ISO 7536

360

Gum content (solvent washed)

mg/100 ml

STB ISO 6246

5

Copper strip corrosion

(3h at 50 °С)

 

Class

STB ISO 2160

 

Class 1

Appearance

Visual control

Transparent and clean

Hydrocarbon type content:

- olefins

- aromatics

%

STB 1539

(ASTM D 1319)

 

 

18,0

35,0

Benzene content

%

STB EN 12177

1,00

Oxygen content

%

STB EN 13132

2,7

Oxygenates content:

- methanol

- ethanol

- iso-propyl alcohol

- iso-butyl alcohol

- tert-butyl alcohol

- ethers ( 5 or more C atoms)

- other oxygenates

%

STB EN 13132

 

 

1,0

5,0

10,0

10,0

7,0

15,0

10,0

Iron content

mg/l

 GOST R 52530

 negative

Manganese content

mg/l

 GOST R 51925

  negative

N-methylaniline content

% V/V

 GOST R 54323

  negative

Vapour pressure (VP):

class А

class В

classes С and С1

classes D and D1

kPa

STB EN 13016-1

 

45,0

45,0

50,0

60,0

 

60,0

70,0

80,0

90,0

% evaporated at 70 °С (E70):

classes A and B

classes C, C1, D, D1

% V/V

STB ISO 3405

 

20,0

22,0

 

48,0

50,0

% evaporated at 100 °С (E100)

% V/V

46,0

71,0

% evaporated at 150 °С (E150)

% V/V

75,0

Final Boiling Point (FBP)

°С

210

Distillation residue

% V/V

2

Vapor lock index, max   (VLI)

(VLI = 10 VP + 7 E70):

- class С1

- class D1

 

index

 

 

 

 

 

1050

1150