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Acetaldehyde
CAS: 75-07-0
Function: Individual chemical research reference
Compare this material →Awaiting human verificationThis material’s published information has not yet been verified by a human reviewer.
Human verification concerns the stated information and scope. It is separate from an EcoSafe score, certification or safety approval. Overview
Colorless liquid or gas (above 69°F) with a pungent, fruity odor. Source-checked chemical identity with NIOSH physical-property and occupational-hazard context. Supplier grade, manufacturing origin and EcoSafe assessment require separate review.
Chemistry: Acetaldehyde
Listed supplier: Supplier not selected · substance baseline
Chemical identity
- Molecular formula
- C2H4O
- Molecular weight
- 44.05 g/mol (identity reference)
- IUPAC name
- acetaldehyde
- PubChem CID
- 177
Chemical identity only; purity, grade and supplier composition require separate documentation.
Identity snapshot: 2026-11-02 UTC.
CAS identity reference ↗Core data coverage: 81.3%
13 of 16 defined fields have sourced information. This is data coverage, not a safety score, EcoSafe assessment or human-verification mark.
CAS cross-check: CAS 75-07-0 appears on the NIOSH card and in the returned PubChem CID’s synonyms. The CAS checksum and molecular-weight consistency were screened; variable-form and ambiguous matches were held out.
NIOSH identity & property source ↗ · PubChem CID 177 ↗
Source context, synonyms & remaining gaps
Synonyms: acetaldehyde · ethanal · acetic aldehyde · ethyl aldehyde · Acetylaldehyde · Acetaldehyd · Acetic ethanol · Aldeide acetica
Physical description: Colorless liquid or gas (above 69°F) with a pungent, fruity odor.
Occupational hazard context: irritation eyes, nose, throat; eye, skin burns; dermatitis; conjunctivitis; cough; central nervous system depression; delayed pulmonary edema; In Animals: kidney, reproductive, teratogenic effects; [potential occupational carcinogen]
The hazard text above reproduces the NIOSH symptoms field; it is not a complete GHS classification, exposure assessment or current supplier SDS. Read the original card and applicable supplier documentation.
Missing core fields: Uses · Density · SDS/TDS
Grade-specific properties, verified manufacturing origin and EcoSafe assessments are tracked separately and are not established by this import.
Source snapshot accessed 2026-11-02. The access date is not the source’s publication or revision date.
How the 16-field coverage score works →
Technical properties
NIOSH substance reference · not a supplier-grade specification. Source wording and units are retained, including °F. A missing temperature, pressure or test method has not been assumed. Specific gravity is not mass density; solubility and water reactivity are distinct.
Documents & supplier information
Archived copies are dated references. Confirm the latest document for your supplier, grade and region.
Acetaldehyde — NIOSH Pocket Guide
Technical reference · CDC / NIOSH
Source revision: see original card; accessed November 2, 2026 · US occupational reference
Non-branded substance reference, not an SDS or exact-grade TDS. Contains physical properties and occupational hazard context; current supplier documentation is still needed.
Supplier access / request ↗An exact-grade regional SDS has not yet been archived for public access on this site.
Supplier and range references
Original supplier / material reference ↗Find this material in the Document Library →
Suppliers & makers
Confirm grade, composition, current availability and production location directly with the supplier.
No material-specific supplier match has been added yet.
Documents, origin & assessment
- Supplier documents
- See Documents & supplier information above for linked references and gaps.
- Manufacturing origin
- Not verified
- EcoSafe assessment
- Not assessed · no numerical points or certification
Identity data and category placement do not establish safety, suitability or environmental performance. Obtain current grade-specific documentation.
Industries & categories
Industrial Chemicals
Base Chemicals & Intermediates · Organic Intermediates