Chemical record · Identifiers & sourcing
acetaldehyde
Primary identifiers
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117 synonyms indexed on this record. Molecular formula C2H4O (see identifiers).
Record summary
Overview
Key identifiers
- CAS No.
- 131740-13-1
- Primary name
- acetaldehyde
- Formula
- C2H4O
Molecular formula is a stored field on this chemical record. The formula hub aggregates other catalog rows that share this formula string—an indexed browse path, not a second canonical record for this entry.
Record status
Added Mar 30, 2026 · Updated Mar 30, 2026
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Submit RFQ for this recordNaming index
Naming & synonyms (117)
Labels below are naming entries stored on this chemical record—they are not separate competing master records. Searchable variants may also have synonym landing URLs; name hub pages group catalog text matches for indexed name strings.
Display-oriented names (104)
- MeCHO
- ethanal
- 75-07-0
- acetic aldehyde
- ethyl aldehyde
- Acetylaldehyde
- Acetaldehyd
- Aldeide acetica
- Acetic ethanol
- Octowy aldehyd
- Aldehyde acetique
- RCRA waste number U001
- NCI-C56326
- FEMA No. 2003
- GO1N1ZPR3B
- CHEBI:15343
- DTXCID202
- Acetaldehyde Phenolic
- Acetaldehyde 1501
- RefChem:6606
- 200-836-8
- Ethylaldehyde
- Acetaldehyde (natural)
- ACETYL GROUP
- ethaldehyde
- Azetaldehyd
- CCRIS 1396
- HSDB 230
- AI3-31167
- ethanone
- Acetaldehyd [German]
- Octowy aldehyd [Polish]
- Aldeide acetica [Italian]
- Aldehyde acetique [French]
- EINECS 200-836-8
- Acetic aldehyde; Ethanal; Ethyl aldehyde; NSC 7594
- RCRA waste no. U001
- Acetaldehyde, >=99%, meets FCC analytical specification
- acetaldehydes
- acetaldhyde
- acetoaldehyde
- Acetaldeyde
- acetic hydride
- ethan-1-one
- 8 - Formaldehyde
- ACETALD
- ACETALDEHYDE [MI]
- ACETALDEHYDE [FCC]
- bmse000647
- Epitope ID:145667
- ACETALDEHYDE [FHFI]
- ACETALDEHYDE [HPUS]
- ACETALDEHYDE [HSDB]
- ACETALDEHYDE [IARC]
- EC 200-836-8
- SCHEMBL1561
- SCHEMBL6747
- WLN: VH1
- SCHEMBL26005
- SCHEMBL39657
- ACETALDEHYDE [USP-RS]
- ACETALDEHYDE [WHO-DD]
- Acetaldehyde, >=99%, FG
- BIDD:ER0621
- SCHEMBL267564
- Acetaldehyde, >=99%, FCC
- CHEMBL170365
- GTPL6277
- SCHEMBL1594493
- SCHEMBL2338299
- SCHEMBL9925559
- SCHEMBL10734809
- SCHEMBL29901099
- Acetaldehyde, analytical standard
- CHEBI:16571
- STR01382
- Tox21_202479
- Acetaldehyde, natural, >=99%, FG
- Acetaldehyde, ReagentPlus(R), 99%
- STL264249
- AKOS000120180
- Acetaldehyde 1000 microg/mL in Water
- EBC-627149
- Acetaldehyde, ACS reagent, >=99.5%
- CAS-75-07-0
- Acetaldehyde, >=99%, FCC, stabilized
- NCGC00091753-01
- NCGC00260028-01
- Acetaldehyde 1000 microg/mL in Methanol
- InChI=1/C2H4O/c1-2-3/h2H,1H
- MSK005046-10000A
- Acetaldehyde, >=90.0%, SAJ first grade
- A1640
- Acetaldehyde [UN1089] [Flammable liquid]
- EN300-19152
- D78540
- Q61457
- Acetaldehyde, ReagentPlus(R), >=99.0% (GC)
- Acetaldehyde Solution in Acetonitrile, 10000ug/mL
- BRD-K77914232-001-01-3
- Q57695648
- Acetaldehyde, puriss. p.a., anhydrous, >=99.5% (GC)
- Acetaldehyde, United States Pharmacopeia (USP) Reference Standard
- VINYL ALCOHOL (FROM ALCOHOLYSIS OR HYDROLYSIS OF VINYL ACETATE UNITS)
Registry & reference names (13)
- NSC 7594
- DTXSID5039224
- NSC-7594
- NSC7594
- MFCD00006991
- UN1089
- CH3CHO
- C2H4O
- UNII-GO1N1ZPR3B
- CH2CHO
- UN 1089
- NS00010070
- C00084
Properties
- Molecular formula
- C2H4O
Safety
No safety data available
Structured safety data is not available for this record yet.
Record scope
About this record
This URL is the chemical record page for acetaldehyde (CAS 131740-13-1). The molecular formula field reads C2H4O. 117 naming or synonym entries are indexed on this row.
Canonical identifiers on the record: English name · CAS (when present) · molecular formula (when present). Synonym landing and name hub URLs are browse helpers; they point at or group catalog data, not alternate SSOT rows.
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Field status
Molecular formula on this record
The stored formula C2H4O carries verified status for this catalog row. It describes this record's indexed composition string, not every possible isomer or salt form unless separately modeled.
Indexed browse
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Related catalog records
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Shared molecular formula
No additional rows in this sample share this formula.
Same English name (catalog slice)
Synonym overlap (related records)
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