41 Methanol IS 517 2025-08-03 QCO for Methanol
Amendment QCO in Methanol 2024 42 1,3 Phenylenediamine IS 1,3 Phenylenediamine 2022-10-27 QCO for 1,3 Phenylenediamine 43 Rubberseed Fatty Acids IS 12124:1987 2022-10-27 QCO for Rubberseed Fatty Acids 44 3 (N, N-DiEthyl) Aminophenol IS 3(N, N-DiEthyl) Aminophenol 2021-11-25 QCO for 3 (N, N-DiEthyl) Aminophenol 45 Red Phosphorus IS 2012:2006 2021-11-25 QCO for Red Phosphorus 46 Styrene-Butadiene Rubber Latex IS 11356:2020 2024-09-18 QCO for Styrene-Butadiene Rubber Latex 47 Ether IS 336:1973 2021-06-24 QCO for Ether 48 Toluene IS 537:2011 2025-12-22 QCO for Toluene
Amendment QCO for Toluene
Amendment QCO for Toluene 49 Stabilized Hydrogen Peroxide IS 2080:2021 2022-11-25 QCO for Stabilized Hydrogen Peroxide 50 Morpholine IS 12084:2018 2024-11-01 QCO for Morpholine IS 12084:2018
Amendment QCO in Morpholine 2024 51 Beta Picoline IS 16112:2013 2026-03-13 QCO for Beta Picoline 52 Precipitated Barium Carbonate IS 3205:1984 2020-12-16 QCO for Precipitated Barium Carbonate 53 Gamma Picoline IS 16113:2013 2024-03-13 QCO for Gamma Picoline

Amendment QCO for Gamma Picoline 54 Pyridine IS 8058:2018 2026-03-13 QCO for Pyridine 55 Sodium Formaldehyde Sulphoxylate IS 4505 2020-12-16 QCO for Sodium Formaldehyde Sulphoxylate 56 Sodium Tripolyphosphate, Anhydrous, Technical IS 6100:1984 2026-03-13 QCO for Sodium Tripolyphosphate, Anhydrous, Technical
Amendment QCO for Sodium Tripolyphosphate, Anhydrous, Technical 2025

57 Acetone IS 170:2004 2024-03-13 QCO for Acetone 58 Phosphorous Oxychloride, Technical IS 11657:1986 2020-12-16 QCO for Phosphorous Oxychloride, Technical 59 Phosphorous Pentachloride, Technical IS 11744:1986 2020-12-16 QCO for Phosphorous Pentachloride, Technical 60 Specification for Carbon Steel Wire for the Manufacture of Wood Screws IS 1812:1982 2020-02-14 QCO for Specification for Carbon Steel Wire for the Manufacture of Wood Screws 61 Specification for Carbon Steel Wire for the Manufacture of Wood Screws IS 1812:1982 2020-02-14 QCO for Specification for Carbon Steel Wire for the Manufacture of Wood Screws 62 Specification for Cold-Rolled Steel Strips for Springs IS 2507:1975 2020-02-14 QCO for Specification for Cold-Rolled Steel Strips for Springs 63 Steel Wires for Mechanical Springs – Part 4: Stainless Steel Wire IS 4454 (Part 4) 2020-02-14 QCO for Steel Wires for Mechanical Springs – Part 4: Stainless Steel Wire 64 Poly Aluminium Chloride IS 15573 2020-02-05 QCO for Poly Aluminium Chloride 65 Aniline IS 2833 2020-02-05 QCO for Aniline 66 Boric Acid IS 10116:2015 2019-05-16 QCO for Boric Acid 67 Caustic Soda IS 252:2013 2018-04-03 QCO for Caustic Soda IS 252 68 Specification for Carbon Steel Wire for the Manufacture of Wood Screws IS 1812:1982 2020-02-14 QCO for Specification for Carbon Steel Wire for the Manufacture of Wood Screws 69 Phosphorous Trichloride, Pure and Analytical Reagent IS 4581:1978 2020-12-16 QCO for Phosphorous Trichloride, Pure and Analytical Reagent 70 Ethylene Glycol IS 5295 2023-03-23 QCO for Ethylene Glycol
Amendment QCO for Ethylene Glycol 71 Vinyl Acetate Monomer IS 12345:1988 2026-03-31 QCO for Vinyl Acetate Monomer
Amendment QCO for Vinyl Acetate Monomer 2025 72 Acetic Acid IS 695 2025-08-03 QCO for Acetic Acid IS 695
Amendment QCO in Acetic Acid 2024 73 Precipitated Barium for Ceramic and Glass Industry IS 12928:1990 2020-12-16 QCO for Precipitated Barium for Ceramic and Glass Industry