Caustic soda prices rose by Rs 50 per 150 kg in the national capital on Saturday on the back of a firm demand from consuming industries amid fall in supply from the producing belts.

Caustic soda flake rose by Rs 150 to close at Rs 1,200—1,300 a 50 kg.

Market analysts said apart from good demand from detergent manufacturers, tight supply from the producing belts also pushed up caustic soda prices at the wholesale chemical market here.

Following are today’s quotations:

Ammonium chloride (50 kg) Rs 1,000—2,400, acetic acid (1kg) Rs 36—46, ammonia bicarb (25 kg) Rs 450—470, boric acid technical (50 kg) Rs 3,400—3,800, borex granular (50 kg) Rs 1,800—2,000.

Caustic soda flake (50 kg) Rs 1,200—1,300, citric acid (50 kg) (China) Rs 4,000—4,800, citric acid deshi (50 kg) Rs 4,200—4,900, camphor slab (1 kg) Rs 440, camphor powder (1kg) Rs 430, glycerine (1 kg) Rs 110—120, hexamine (1kg) Rs 82, hydrogen peroxide (1 kg) Rs 33—35, mercury (34.5 kg) Rs 95,000, menthol bold crystal (per kg) Rs 1,280, menthol flake (1kg) Rs 1,235 and mentha oil (1kg) Rs 1,175.