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CAS 78-83-1

CAS 78-83-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 78-83-1
CAS 78-83-1PubChem CID 6560

Isobutanol

Isobutanol is an alkyl alcohol that is propan-1-ol substituted by a methyl group at position 2. It has a role as a Saccharomyces cerevisiae metabolite. It is a primary alcohol and an alkyl alcohol. It derives from a hydride of an isobutane. — ChEBI

IUPAC name
2-methylpropan-1-ol
Molecular formula
C4H10O
Molecular weight
74.12 g/mol
Exact mass
74.073164938 Da
XLogP3
0.8
Topological polar surface area
20.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

2-Methyl-1-propanolISOBUTYL ALCOHOLIsopropylcarbinol1-Propanol, 2-methyl-1-HydroxymethylpropaneIso-butyl alcohol2-Methylpropyl alcoholIsobutylalkohol
16 more reported names
2-Methylpropanol2-Methyl propanolAlcool isobutyliqueFermentation butyl alcoholRCRA waste number U140FEMA No. 2179FEMA Number 217956F9Z98TEMNSC-5708CHEBI:46645RefChem:791617201-148-0i-Butyl alcoholi-Butanol2-Methylpropanol-1Isopropyl carbitol
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 78-83-1

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How CAS 78-83-1 is used on this site

CAS 78-83-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 78-83-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.