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IS 336:1973

Diethyl ether for industrial and laboratory use

BIS QCO · ISI MARK · 4 LINES · CONTROLLING QUALITY CONTROL ORDER NOTIFIED VIDE S.O. 2183(E)

IS 336 is the Indian Standard governing diethyl ether, tertiary amyl methyl ether, methyl tertiary butyl ether (mtbe), covering 4 tariff items under HSN Chapter 29. Compliance is mandatory under the ISI Mark Scheme and the controlling Quality Control Order notified vide S.O. 2183(E).

At a glance

Tariff lines covered (8-digit HSN)

Chapter 29

Primary HSN chapter

ISI

Mark scheme

controlling Quality Control Order notified vide S.O. 2183(E)

Governing Quality Control Order

Tariff lines covered

Heading 2909

2909 11 00Diethyl ether for industrial and laboratory use 2909 19 10Tertiary amyl methyl ether, a petrol oxygenate 2909 19 20Methyl tertiary butyl ether (MTBE) for fuel blending 2909 19 90Acyclic ethers and their derivatives (diethyl ether, other acyclic ethers)

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Last verified against gazette notifications: 2026-05-20. Source: BIS / Indian Customs CUSDATA.