甲醇是一种无色、透明、易燃、易挥发的有毒液体,常温下对金属无腐蚀性(铅、铝除外),略有酒精气味。甲醇用途广泛,是基础的有机化工原料和优质燃料。主要应用于精细化工,塑料等领域,用来制造甲醛、醋酸、氯甲烷、甲氨、硫酸二甲脂等多种有机产品,也是农药、医药的重要原料之一。甲醇在深加工后可作为一种新型清洁燃料,也加入汽油掺烧。主要进口产地为中东和马来西亚等地
Methanol Sales Specification(IMPCA)
ITEM | LIMIT | METHOD |
Appearance | Clear and free of suspended matter | IMPCA 003-98 |
Purity % WT on dry basis | Min. 99.85 | IMPCA 001-02 |
Acetone mg/kg | Max.30 | IMPCA 001-02 |
Colour PT-CO | Max.5 | ASTM D1209-5 |
Water % W/W | Max.0.1 | ASTM E1064-05 |
Distillation Range at 760 mm Hg | Max. 1.0 ℃ to include 64.6°±0.1° | ASTM D1078-05 |
Specific Gravity 20°/20° | 0.791-0.793 | ASTM D4052-02 |
Potassium Permanganate Time test at 15℃,minutes | Min. 60 | ASTM D1363-06 |
Ethanol mg/kg | Max.50 | IMPCA 001-02 |
Chloride as Cl mg/kg | Max.0.5 | IMPCA 002-98 |
Sulphur mg/kg | Max.0.5 | ASTM D3961-98 |
Hydrocarbons | Pass test | ASTM D1722-04 |
Carbonisable Substances(Sulfuric Acid Wash Test) Pt-Co Scale | Max.30 | ASTM E346-03 |
Acidity as acetic acid mg/kg | Max.30 | ASTM D1613-06 |
Total Iron mg/kg | Max.0.1 | ASTM E394-04 |
Non volatile matter mg/1000ml | Max.8 | ASTM D1353-03 |
TMA | optional | |
Aromatics | optional |