CAS 71-36-3

n-Butanol

正丁醇

C4H10OMW 74.12 g/molHS 290513 UN1120 · Class 3

From the buying desk

Produced mainly by propylene oxo synthesis and sold at 99.5% or better. It is a flammable liquid that also causes serious eye damage, so the label has two hazards to check. Ships in drums or ISO tanks.

Import Card

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

Identifiers

Synonyms
1-Butanol, Butyl alcohol, Butan-1-ol
Formula
C4H10O
Molecular weight
74.12 g/mol
SMILES
CCCCO
InChIKey
LRHPLDYGYMQRHN-UHFFFAOYSA-N
HS code (6-digit)
290513

Transport and hazard profile

Transport classification, UN number UN1120, IMDG Class 3.

GHS hazard statements, Danger. H-codes, H226, H302, H315, H318, H335, H336. Refer to the substance SDS Section 2 for the full classification.

US and Australian rules for n-Butanol

Read from the official lists by CAS 71-36-3. Screening only: check the source before you ship, store or report.

California Prop 65

No entry

No entry for CAS 71-36-3 in the OEHHA list dated July 31, 2026.

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OSHA exposure limit

Listed

Table Z-1: 100 ppm, 300 mg/m³ as an 8 hour average.

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Australian exposure standard

Listed

50 ppm, 152 mg/m³ as a peak limitation, never to be exceeded.

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CERCLA reportable quantity

Listed

Reportable quantity 5,000 lb (2,270 kg). A package holding this much needs RQ on the shipping paper.

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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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Common applications

  • · Butyl acrylate and butyl acetate production
  • · Coatings solvent
  • · Plasticizers
  • · Extraction solvent

Sourcing documentation chain

Every shipment of n-Butanol 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 plus an MSA China DG packing certificate. For Incoterms reference see FOB, CIF, and CFR.

Sourcing n-Butanol?

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Free download

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