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Acrylic acid |
1. Brief introduction |
Acrylic acid is mainly used in the manufacture of acrylic ester; also used in such areas as hygiene materials, water treatment agents, dispersants, flocculants and thickener etc. |
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| 2. Properties: |
| Molecular weight 72.06; Relative Density: 1.052( liquid); M.P.: 12.1 °C; B.P.: 140.9 °C; Vapor Tension: 0.41kPa(20 °C); Flash Point: 54.5 °C . Acrylic acid is colorless liquid with irritating smell; has low toxicity; irritant and corrosive to eyes, skin and mucous membrane |
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3. Quality index: Polymerization Grade Acrylic acid Spec. (GB / T17529.1 - 1998) |
Item |
Index |
Best quality |
First quality |
Purity, % ≥ |
99.0 |
Color, Hazen unit(Pt-Co) ≤ |
20 |
Water content, % ≤ |
0.10 |
0.20 |
Polymerization inhibitor(MEHQ) content(m/m), 10 -6 |
200 ± 20 |
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4. Packing & tranport |
| Acrylic acid is transported on highways: in tand car, barrelled. Railway tank car should be 70-ton new standard tank car; in all-plastic drum or drum lined with steel, spec. of drum is 200 |
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