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MEG

Posting date : Oct 21, 2011

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CHEMICAL | Tanning or

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CAS No.: 107-21-1 Usage: MEG finds many industrial diverse uses which include freeze protection, heat transfer and hydraulic fluids, natural gas and hydrocarbon treating agents, hydroscopic agents for paper, cork and textile conditioning, plasticizer formulations and raw materials for ester and polyester production. The ethylene glycol familys solvency properties are useful in custom formulation of paints, dyes, inks and other blended products. Specification Item Index Purity % 99.9 Color,(Pt-Co) (No.before heated) ≤ 5 addition of acid (heated) ≤ 20 Density, (20)g/cm3 1.1131-1.1136 Water, %(m/m) ≤ 0.05 Boiling range (0.0.10133Mpa Initial point ≥ 196 Dry point ≤ - IBP-DP 2 Acidity (calculated as), % (m/m) ≤ 0.001 (calculated as formaldehyde),%(m/m) ≤ 0.0008 Iron calculated as Fe2+),% m/m) ≤ 0.00001 Ash, % (m/m) ≤ 0.002 DEG and TEG, % (m/m) 0.1 Chlorine (calculated as chlorine ion), % (m/m) 0.00005 Ultraviolet transmittance % 220nm ≥ 70 275nm ≥ 90 350nm ≥ 98