SPECIFICATION

Standard

Grade A

Grade В

1. Appearance

Colorless clear liquid without insoluble impurities

2. Density at 20°C, g/cm³

0,791-0,792

3. Miscibility with water

It is mixed with water without traces of turbidity and opalescence

4. Temperature ranges;

- boiling temperature range, °C

64,0-65,5

- 99% of the product is distilled within the ranges: °C, not more than

0,8

1,0

5. Mass portion of water, %, not more than

0,05

0,08

6. Mass portion of free acids based on formic acid, %, not more than

0,0015

7. Mass portion of aldehydes and ketones based on acetone, %, not more than

0,003

0,008

8. Mass portion of volatile iron compounds based on iron, %, not more than

0,00001

0,0005

9. Testing with potasium permanganate, minutes, not less than

60

30

10. Mass portion of ammonia and amino compounds based on ammonia, %, not more than

0,00001

11. Mass portion of chlorine, %, not more than

0,0001

0,001

12. Mass portion of sulphur, %, not more than

0,0001

0,001

13. Mass portion of nonvolatile residue after evaporation, %, not more than

0,001

0,002

14. Specific electric conductivity, cm/m, not more than

3xl0-5

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15. Ethanol, %, not more than

0,01

--

16. Colour, Pt-Co scale, Hazen units, not more than

5

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