New Delhi: Copper prices on Tuesday slipped by Rs 3.90 to Rs 524 per kg as participants cut down their positions amid muted demand in domestic market. On the Multi Commodity Exchange, copper contracts for October delivery eased by Rs 3.90, or 0.74 per cent, to Rs 524 per kg in a business turnover of 4,953 lots.

Analysts said trimming of positions by speculators due to muted demand in spot market mainly led to the fall in copper prices here.