# IS 14421:1997 & IS 9591: Dioctyl Phthalate (DOP) Plasticizer — Specification & Testing - BIS Compliance & Testing Guide

      

IS 14421:1997 & IS 9591 testing protocols, QCO compliance mandate (Bureau of Indian Standards Quality Specification & Test Methods for Primary Plasticizers), an

      
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## Standards guides

- [Is 14426](/standards/is-14426)
- [Is 4985](/standards/is-4985)
- [Is 694](/standards/is-694)
- [Is 1554](/standards/is-1554)
- [Is 5831](/standards/is-5831)
- [Is 6721](/standards/is-6721)
- [Is 12254](/standards/is-12254)
- [Is 15844](/standards/is-15844)
- [Is 13592](/standards/is-13592)
- [Is 12818](/standards/is-12818)
- [Is 15328](/standards/is-15328)
- [Is 10151](/standards/is-10151)
- [Is 17658](/standards/is-17658)
- [Is 1891](/standards/is-1891)
- [Is 14421](/standards/is-14421)

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