CAS 75-56-9 · AICIS · Australia

Propylene oxide (1,2-epoxypropane) under AICIS

C3H6O · 环氧丙烷

Status: Listed. Propylene oxide is on the AICIS Inventory of Industrial Chemicals as a Listed Industrial Chemical. Australia adopted the GHS classification matching REACH (Carc 1B + Muta 1B + Acute Tox. 3 + Flam. Liq. 1). **SUSMP Schedule 7 (Dangerous Poison) applies for industrial-grade PO above concentration cutoffs** (similar to formaldehyde batch 18 + benzene batch 22 + aniline batch 26 + butadiene batch 27 + EO batch 28). NOT on Australian Drug Control Act precursor list. NO active Australian AD/CVD case on Chinese-origin PO. Australia has no major domestic PO production capacity; imports primarily flow to limited downstream polyether polyol / polyurethane industries. ChAFTA preferential zero-duty applies for Chinese-origin imports.

AICIS treats PO as a routine listed industrial chemical with **SUSMP Schedule 7 (Dangerous Poison) scheduling for industrial-grade above concentration cutoffs**. The operational compliance work is substantial (annual AICIS registration, WHS-compliant SDS, ADG 7.7 Class 3 transport, ATEX-zoned warehousing for bulk Flam. Liq. 1 PG I). NO active Australian AD/CVD case. ChAFTA preferential zero-duty makes Chinese-origin PO competitive. Australia has **no major domestic PO production**; imports primarily flow to limited downstream polyether polyol / polyurethane industries.

Listing and threshold

Substance Propylene oxide (1,2-epoxypropane) (CAS 75-56-9), C3H6O
Regime Australian Industrial Chemicals Introduction Scheme (AICIS), administered by the Department of Health
Jurisdiction Australia
Status Listed
Tonnage threshold AICIS introducer registration required for any business introducing >100 kg/year of any industrial chemical

Classifications under this regime

  • Listed Industrial Chemical on AICIS Inventory
  • Australian GHS classification: Flam. Liq. 1 (H224), Carc. 1B (H350), Muta. 1B (H340), Acute Tox. 3 oral / dermal / inhalation (H301 / H311 / H331), Skin Irrit. 2 (H315), Eye Irrit. 2 (H319), STOT SE 3 (H335)
  • Signal word: DANGER. GHS pictograms: GHS02 + GHS06 + GHS08
  • **SUSMP Schedule 7 (Dangerous Poison)** applies for industrial-grade PO above concentration cutoffs
  • NOT on Australian Drug Control Act precursor list
  • Australian Dangerous Goods Code (ADG 7.7): Class 3 (flammable liquid), UN 1280, Packing Group I
  • Safe Work Australia workplace exposure standard: 20 ppm 8-hr TWA, 50 ppm STEL
  • **IARC: Group 2B (possibly carcinogenic to humans)**

Restrictions and conditions of use

  • No AICIS-specific use restrictions for industrial-grade PO above concentration cutoffs
  • SUSMP Schedule 7 retail packaging rules apply for industrial-grade above cutoffs
  • NO active Australian AD/CVD case on Chinese-origin PO currently
  • WHS Regulation 2011 hazardous-chemicals handling requirements apply
  • NFPA-equivalent flammable liquid storage requirements apply for bulk; ATEX-zoned warehousing required (Flam. Liq. 1 PG I)
  • ChAFTA preferential zero-duty applies to Chinese-origin PO (HS 291020)

Importer obligations

The Australian importer of record must be registered with AICIS. **SUSMP Schedule 7 (Dangerous Poison) compliance is the dominant practitioner overhead**. Workplace handling SDS drives WHS hazardous-chemicals register entry; ATEX-zoned warehousing for bulk receipt. **Carc 1B + Muta 1B + Acute Tox. 3 + Flam. Liq. 1 + IARC Group 2B** drive substantial WHS workplace exposure-control overhead. Australia has no major domestic PO production; imports primarily flow to limited downstream polyether polyol / polyurethane industries (limited Chinese-origin imports compete with Korean + Japanese alternatives). ChAFTA preferential zero-duty makes Chinese-origin PO competitive vs Korean (SKC, Lotte Chemical), Japanese (Mitsubishi Chemical, Sumitomo Chemical) alternatives.

Required documents

  • AICIS introducer registration certificate (annual)
  • WHS-compliant Safety Data Sheet (Safe Work Australia model code format) reflecting H224 / H301 / H311 / H315 / H319 / H331 / H335 / H340 / H350 classification
  • Customs entry (ICS / ABF) with HS code 291020
  • **SUSMP Schedule 7 (Dangerous Poison) labelling compliance** for industrial-grade above cutoffs
  • ChAFTA Form CO certificate of origin for preferential treatment
  • Industrial-grade specification certificate (minimum 99.95% purity)
  • ADG 7.7 Class 3 dangerous-goods transport documentation

Common compliance traps

The pitfalls that have bitten importers on this lane in the past. None of these is theoretical.

  • AICIS registration must be CURRENT at customs clearance
  • WHS hazardous-chemicals register entry required at handling facilities; ATEX-zoned warehousing for bulk
  • **SUSMP Schedule 7 (Dangerous Poison) compliance is the dominant practitioner overhead** for industrial-grade above cutoffs
  • Carc 1B + Muta 1B + Acute Tox. 3 + Flam. Liq. 1 + IARC Group 2B hazard profile drives heaviest WHS workplace exposure-control overhead
  • NOT on Australian Drug Control Act precursor list
  • NO active Australian AD/CVD case on Chinese PO currently
  • ChAFTA preferential zero-duty makes Chinese-origin PO competitive vs Korean (SKC, Lotte Chemical), Japanese (Mitsubishi Chemical, Sumitomo Chemical) alternatives
  • Australian end-use is limited (no major polyether polyol / polyurethane production capacity domestically); imports primarily flow to limited downstream industries

Where to read next

For substance-level identifiers (formula, molecular weight, SMILES, InChIKey), GHS hazard profile, IMDG transport class, and full sourcing reference for propylene oxide (1,2-epoxypropane), see the CAS 75-56-9 sourcing reference.

For grade-by-grade buying notes, freight maths, supplier-tier pricing, and a worked landed-cost example, the propylene oxide (1,2-epoxypropane) cornerstone hub covers the full sourcing chain.

For the structure and history of AICIS, see the AICIS glossary entry.

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