butanal
This is the primary chemical detail page for butanal · CAS 123-72-8. The verified molecular formula is C4H8O. 103 searchable synonyms resolve back to this record. Use this page as the main reference for identifiers, naming variants, and supplier-linked context.
Overview
Key identifiers
- CAS No.
- 123-72-8
- Primary name
- butanal
- Formula
- C4H8O
Record status
Added Mar 30, 2026 · Updated Mar 30, 2026
Properties
- Molecular formula
- C4H8O
Safety
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About this chemical
This page represents the primary record for butanal with CAS Registry Number 123-72-8. The molecular formula is C4H8O. This chemical may be referenced by 103 different names or synonyms.
Primary identifiers: English name · CAS · Molecular formula (when available). Synonym and alternate-name pages all resolve back to this record.
Synonyms and naming
Chemicals are often known by multiple names depending on context, industry, or language. This entry includes 103 searchable synonyms. Alternate-name landing pages, where present, all resolve back to this main record.
Use the synonym list below as naming context; keep this chemical detail page as the primary reference.
Formula status
The molecular formula C4H8O for this substance is verified. This identifier has been confirmed to accurately represent the chemical composition.
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Same formula
No other catalog entries with this formula.
Similar names (synonym overlap)
No synonym-overlap matches in the catalog sample.
Synonyms
Common & readable names (89)
- butyraldehyde
- 123-72-8
- n-butyraldehyde
- Butyral
- 1-butanal
- Butyric aldehyde
- Butaldehyde
- Butanaldehyde
- Butal
- n-Butanal
- Butylaldehyde
- Butalyde
- Butyraldehyd
- Aldeide butirrica
- Aldehyde butyrique
- Butyrylaldehyde
- n-Butyl aldehyde
- butan-1-al
- NCI-C56291
- FEMA Number 2219
- DTXCID601513
- FEMA NO. 2219
- H21352682A
- CHEBI:15743
- RefChem:31171
- 204-646-6
- Butyl aldehyde
- n-C3H7CHO
- BUTANAL N-BUTYRALDEHYDE
- 27789-14-6
- Butyraldehyd [German]
- 1-butanone
- Aldehyde butyrique [French]
- Aldeide butirrica [Italian]
- CCRIS 3221
- Butyraldehyde (crude)
- HSDB 2798
- EINECS 204-646-6
- BRN 0506061
- butyr-aldehyde
- n-Butylaldehyde
- AI3-24198
- n -butyraldehyde
- n- butanal
- Butyraldehyde(CZECH
- Butyraldehyde, 99%
- SCHEMBL807
- BUTYRALDEHYDE [MI]
- bmse000972
- BUTYRALDEHYDE [FCC]
- EC 204-646-6
- Butyraldehyde, natural, FG
- SCHEMBL2069
- WLN: VH3
- BUTYRALDEHYDE [FHFI]
- BUTYRALDEHYDE [HSDB]
- Butyraldehyde, >=96.0%
- 4-01-00-03229 (Beilstein Handbook Reference)
- SCHEMBL247362
- SCHEMBL284445
- SCHEMBL343501
- SCHEMBL605377
- SCHEMBL732888
- BUTYRALDEHYDE [USP-RS]
- SCHEMBL1408988
- SCHEMBL7085373
- SCHEMBL7323870
- SCHEMBL7330459
- SCHEMBL8116527
- SCHEMBL9036873
- CHEMBL1478334
- SCHEMBL11426101
- SCHEMBL28130291
- Butyraldehyde, >=99.0%, dry
- Tox21_202491
- MSK157437
- STL281871
- AKOS000120429
- EBC-627086
- NCGC00091658-01
- NCGC00260040-01
- CAS-123-72-8
- Butyraldehyde [UN1129] [Flammable liquid]
- EN300-18029
- Q410603
- Butyraldehyde, purified by redistillation, >=99.5%
- F2190-0595
- InChI=1/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H
- Butyraldehyde, United States Pharmacopeia (USP) Reference Standard
Registry & reference names (14)
- DTXSID8021513
- NSC-62779
- MFCD00007023
- NSC 62779
- UN1129
- UNII-H21352682A
- NSC62779
- UN 1129
- FB168676
- B0751
- NS00007479
- C01412
- F094987
- Butyraldehyde, analytical standard, contains ~0.1% 2,6-di-tert-butyl-4-methylphenol and ~1% water as stabilizer
Related Chemicals
Same formula
Chemicals with same formula (C4H8O)
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