CAS 57-55-6

Propylene glycol

丙二醇

C3H8O2MW 76.09 g/molHS 290532

From the buying desk

USP grade for food, pharma and cosmetics and industrial grade for antifreeze and resins come from the same plants. Specify USP or EP compliance and packaging, since drums, IBCs and flexitanks are all common. Not dangerous goods.

Import Card

Before you order propylene glycol from China, see its register listing, the duty, anti dumping cases and a supplier check on one card, each with its source and date.

Card for the US Card for Australia

Identifiers

Synonyms
1,2-Propanediol, Monopropylene glycol, MPG
Formula
C3H8O2
Molecular weight
76.09 g/mol
SMILES
CC(CO)O
InChIKey
DNIAPMSPPWPWGF-UHFFFAOYSA-N
HS code (6-digit)
290532

US and Australian rules for Propylene glycol

Read from the official lists by CAS 57-55-6. Screening only: check the source before you ship, store or report.

California Prop 65

No entry

No entry for CAS 57-55-6 in the OEHHA list dated July 31, 2026.

Open the tool · Official source

OSHA exposure limit

No entry

No entry for CAS 57-55-6 in 29 CFR 1910.1000 Tables Z-1 to Z-3.

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Australian exposure standard

Listed

150 ppm, 474 mg/m³ as an 8 hour average.

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CERCLA reportable quantity

No entry

No entry for CAS 57-55-6 in 40 CFR 302.4 as read on September 24, 2026.

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EPCRA Tier II threshold

No entry

Not on the Extremely Hazardous Substances list, so the general 10,000 lb Tier II threshold applies where an SDS is required.

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Regulatory profile across 5 jurisdictions

Verified against ECHA, US EPA TSCA Inventory, MEE China IECSC, NIER K-REACH, and AICIS AIIC. Last verification 2026-04-30. Confirm with the regulator portal before any shipping decision.

EU REACH
Listed
US TSCA
Listed
China IECSC
Listed
Korea K-REACH
Listed
Australia AICIS
Listed

Look up other substances at the REACH / TSCA cross-jurisdiction checker.

Common applications

  • · Food and pharmaceutical carrier
  • · Cosmetics
  • · Unsaturated polyester resins
  • · Heat transfer fluids and antifreeze

Sourcing documentation chain

Every shipment of Propylene glycol from China should include a per-batch COA, a current SDS per GB/T 17519 on the China side and the destination jurisdiction's standard on the import side, a packing list, a bill of lading, and a certificate of origin. For Incoterms reference see FOB, CIF, and CFR.

Sourcing Propylene glycol?

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Free PDF: the MSDS verification template Sourzi runs against the supplier sheet for every CAS number we book out of China.