April 21st - On April 21st, the quoted price for food-grade sodium metabisulfite (with a content of 96.5%) in the Hunan market was 4,200 yuan per ton, representing an increase of 300 yuan per ton. The continuous rise in sodium metabisulfite prices is attributed to rising raw material costs and increased demand. Chempricehub analysis of sodium metabisulfite, with a bullish-bearish score of 2, indicates that the quoted price for food-grade sodium metabisulfite in the Hunan market is 4,200 yuan per ton, up by 300 yuan per ton compared to the previous period, showing a significant increase. The price rise is primarily driven by higher raw material costs and increased downstream demand, suggesting a tightening market supply and demand, as well as increased pressure on spot supply. This factor constitutes a significant positive for the spot price of sodium metabisulfite, and prices are expected to continue rising in the short term.