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Standard:GB 338-92
Uses: Industrial Methanol is mainly used in fluoro-chemicals , organic synthesis material, drug.
Appearance: Industrial Methanol is colorless transparent liquid, without visible impurities and special smell.
Technical requirements:
| Index name |
Index |
| Top-grade |
First grade |
Qualified product |
| Chroma (Pt-Co) ≤ |
5 |
10 |
| Density (20°C), g/cm3 |
0.791-0.792 |
0.791-0.793 |
| Temp. range(0°C, 101325Pa), °C |
64.0-65.5 |
| Boiling range(include 64.6±0.1°C), °C ≤ |
0.8 |
1.0 |
1.5 |
| Potassium permanganate test, min ≥ |
50 |
30 |
20 |
| Water soluble test |
clear |
-- |
| Moisture , % ≤ |
0.10 |
0.15 |
-- |
| Acidity(as HCOOH), % ≤ |
0.0015 |
0.0030 |
0.0050 |
| or Alkalinity(as NH3), % ≤ |
0.0002 |
0.0008 |
0.0015 |
| carbonyl compound(as CH2O), % ≤ |
0.002 |
0.005 |
0.010 |
| Residue on evaporation , % ≤ |
0.001 |
0.003 |
0.005 |
This standard is similar to ASTM D1152-84 . Industrial Methanol got the standard authentication of Zhejiang province in Dec., 1994; No: ZBCZ66; And it passed recheck in 2002.
Molecular formula:CH3OH
Relative molecular weight:32.042
Properties:Industrial Methanol is colorless transparent liquid, without visible impurities and special smell.
Packing & Storage: steel barrel with small mouth, tank, ampoule bottle in common wood box; It should be transported in tank in railway, and the transportation should be approved by government. Do not mix with oxidant, acid, alkali metal, food chemicals. Avoid insolation, rain and high temp..
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