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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2723602Generated: October 23, 2026

(S)-2-methyl-1-butanol

https://huagongshe.com/en/chemical/2723602

(S)-2-methyl-1-butanol molecular structure

Identifiers & Physical Properties

CAS No.1565-80-6
Molecular formulaC5H12O
Average molar mass88.15 g/mol
Monoisotopic mass88.088815 g/mol
SMILESCC[C@H](C)CO
InChIKeyQPRQEDXDYOZYLA-YFKPBYRVSA-N
PubChem CID2723602
ChEBICHEBI:50625
EC No.216-366-1
DTXSIDDTXSID20883695

Chemical & Physical Properties

XLogP1.2
Topological polar surface area20.2
Hydrogen bond donors1
Hydrogen bond acceptors1
Rotatable bonds2
Heavy atoms6
Formal charge0
Complexity27.1
SpringerMaterials PropertiesDensity

Safety & Regulations

GHS classificationWarningH226 (81.6%): Flammable liquid and vapor [Warning Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P302+P352, P303+P361+P353, P304+P340, P317, P319, P321, P332+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 136 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationChemical: 1-Butanol, 2-methyl-, (S)-1-Butanol, 2-methyl-, (2S)-: Does not have an individual approval but may be used under an appropriate group standard
Other safety informationEvaluation - Chemicals that are unlikely to require further regulation to manage risks to environment
Hazard Classes and CategoriesFlam. Liq. 3 (81.6%)