Agent Name

2H-Pyran-2-carboxaldehyde, 3,4-dihydro-

Alternative Name

Acrolein dimer

CAS Number

100-73-2

Formula

C6-H8-O2

Major Category

Other Classes

Synonyms

2,3-Dihydro-1,4-pyran-2-karboxaldehyd [Czech]; 2-Formyl-3,4-dihydro-2H-pyran; 2-Propenal dimer; 3,4-Dihydro-2H-pyran-2-carboxaldehyde; 5-Hexenal, 2,6-epoxy-; Pyran aldehyde; Acrolein dimer, stabilized; [ChemIDplus] Acroleine, dimere, stabilise (French DOT); Dimero de la acroleina, estabilizado (Spanish DOT); [CAMEO] UN2607

Category

Other Organic Compounds

Description

Colorless or yellow liquid with a pungent unpleasant odor; [CAMEO] Clear colorless liquid; [Sigma-Aldrich MSDS]

Sources/Uses

Used to make other chemicals and plastics; [CAMEO]

Comments

A mild skin irritant; Causes respiratory depression and lung changes in inhalation lethal-concentration studies of rats; Causes changes in bladder weight, changes in platelet count, and effects on other proteins in 9-day intermittent inhalation studies of rats; [RTECS] May cause eye and mucous membrane irritation; [CAMEO] May polymerize; An irritant that may cause serious eye injury; Harmful by ingestion, inhalation, and skin absorption; Inhalation of high concentrations may cause weakness, dizziness, and unconsciousness; [Sigma-Aldrich MSDS] Acrolein dimer, stabilized (UN2607) has warning of explosive polymerization; [ERG 2016]

Exposure Assessment
Lethal Concentration

LC50 (rat) = 3,225 ppm/4hr

Explosive Polymerization

Yes

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Acrolein dimer, stabilized."

Adverse Effects
Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.