先锋集团

MSGDescription: Colorless or white columnar crystal and crystalline powder. It is inodorous and delicious, a slightly sweet and salt taste, no hygroscopic. Molecular Formula: C5H8NNaO4·H2O Molecular Weight:187.13 Standard Specifications: ItemGB8967-88FAO/WHO(1988)FCC(IV)Japanese Food Additive StandardContent % ≥ 99.0 99.0 90.5-101.5 99.0 Transparency ≥ 98 -- -- -- PH 6.7-7.2 6.7-7.2 -- 6.7-7.2 Specific Rotation [α]20 +24.8° +25.3° +24.8° +25.3° +24.8° +25.3° +24.8° +23.5° [α]25 -- +29.7° +30.2° +29.7° +30.2° -- Zinc % ≤ 0.0005Sulphate ≤0.03 -- -- -- Lead % -- ≤0.0005 0.001 -- Heavy Metals (as pb) % ≤0.001 ≤0.001 ≤0.002 ≤0.001 Arsenic (as As) % ≤ 0.00005 0.0002 -- 0.00025 (As As2O3 Residue on Ignition % ≤0.5 ≤ 0.5 ≤ 0.5 ≤ 0.5 Clarity and color -- -- pass pass Pyrrolidone carboxylic acid -- pass -- -- Iron % ≤ 0.0005 -- -- --