8PP rose Rs 1/kg this week in Chennai

8Acetone is lower than six months ago, but it has held firm in early January after a late-December dip

8Acetic Acid is down Rs 1.5/kg over the past fortnight even as the latest week edged higher

8Acrylonitrile rose Rs 7/kg this week, pushing back to levels last seen in late summer. 

8Propylene Glycol is up Rs 0.75/kg this week, extending a gentle rise over the past month

8PAM is up Rs 3/kg this week after softer levels through late December

82-Ethylhexanol gained Rs 2/kg this week, reversing part of the late-December softening

8Dioctyl Terephthalate is up Rs 7/kg over the past fortnight, adding to a firmer start to January

8Diisobutyl Phthalate is down Rs 3/kg on the week, but the month comparison is flat

8Spirodiclofen slipped Rs 10/kg this week, extending a clear multi-week decline

8Polyethylene Glycol slipped Rs 2/kg this week, but it is still higher than it was three months ago. 

8Neopentyl Glycol is steady compared with three months ago, but it remains at the softer end of its recent history

8BDGE is unchanged on the week, but it has slipped Rs 9/kg over the past fortnight

8Mono Chloro Benzene edged up Rs 1/kg this week, but the bigger feature is how little it has moved over the past month

8LAB bulk prices are lower than last month after gradual easing

8TDI has gained Rs 5/kg this week, adding to a multi-week rise

8BPA rose Rs 3/kg this week, reversing earlier softness

8DINP is steady compared with a month ago after earlier weakness. 

8POP Polyether was flat this week after mild month-long gains

8BDO is up Rs 6/kg over the past month, after a steady climb

8Propionic Alcohol slipped Rs 1/kg over the past fortnight, then stabilised. Weekly prices showed little change, keeping volatility low

8Isobutanol is steady compared with three months ago, following earlier advances. 

8Adipic Acid rose Rs 2/kg over the past week, extending a gradual upward drift

8India’s Supreme Petrochem Ltd has announced an upward revision in polystyrene prices
8The increase reflects rising cost pressures and comes into effect from January 5, 2026

8Formosa Petrochemical Corp (FPCC) has raised its butadiene contract settlement for December 2025
8This marks a clear upward adjustment from November levels