1-Pentadecanol

Description

1-Pentadecanol · CAS 629-76-5 · C15H32O. UNII 333QVA4G2Q. Boiling Point: 572 °F at 760 mmHg (USCG, 1999); Boiling Point: 298.00 to 299.00 °C. @ 760.00 mm Hg; Melting Point: 111 °F (USCG, 1999).

Identification

CAS Registry Number	629-76-5
PubChem CID	12397
Molecular formula	C15H32O
IUPAC name	pentadecan-1-ol
UNII (FDA)	333QVA4G2Q

Computed Descriptors

Molecular Weight	228.41
XLogP3	6.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	13
Exact Mass	228.245315640
Monoisotopic Mass	228.245315640
Topological Polar Surface Area	20.2
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Boiling Point	572 °F at 760 mmHg (USCG, 1999)
Boiling Point	298.00 to 299.00 °C. @ 760.00 mm Hg
Melting Point	111 °F (USCG, 1999)
Melting Point	45 - 46 °C
Vapor Pressure	0.000038 [mmHg]
LogP	6.64

Physical description & handling notes

• Pentadecanol is a colorless liquid with a faint odor of alcohol. Floats on water. (USCG, 1999)
• Liquid
• Solid; [Reference #1] White solid; [Alfa Aesar MSDS]
• Solid
• 0.829 at 122 °F (USCG, 1999) - Less dense than water; will float

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances Flavoring Agents CIR / INCI: Emollient; Emulsion stabilizing
GHS notification summary	99.8% (532 / 533)

GHS Hazard Classification

GHS notification summary	99.8% (532 / 533)

Documented Uses

• Used strictly as an intermediate; [EPA ChAMP] Long chain alcohols are naturally produced by all living organisms; [Reference #1]
• Cosmetics -> Emollient; Emulsion stabilizing
• Surfactant (surface active agent)
• 2023: 50,000,000 - <100,000,000 lb
• 2022: 10,000,000 - <50,000,000 lb

Synonyms

1-PENTADECANOL; pentadecan-1-ol; Pentadecanol; Pentadecyl alcohol; Alfol 15; DTXSID0027270; n-pPentadecanol; UNII-333QVA4G2Q; Pentadecanol-(1); 333QVA4G2Q; DTXCID207270; 31389-11-4; EINECS 211-107-9; NSC 66446; NSC-66446; AI3-33881

Frequently Asked Questions

What are the CAS number and molecular formula of 1-Pentadecanol?

CAS 629-76-5; molecular formula C15H32O; molecular weight — g/mol.

What other names is 1-Pentadecanol known by?

1-PENTADECANOL, pentadecan-1-ol, Pentadecanol, Pentadecyl alcohol, Alfol 15, DTXSID0027270.

What is the regulatory status of 1-Pentadecanol?

Documented regulatory listings: EU Flavoring substances; Flavoring Agents; CIR / INCI: Emollient; Emulsion stabilizing.

Is 1-Pentadecanol classified as hazardous?

99.8% of GHS notifications report no hazard classification (532 of 533).

What are the key physical properties of 1-Pentadecanol?

Boiling Point: 572 °F at 760 mmHg (USCG, 1999); Boiling Point: 298.00 to 299.00 °C. @ 760.00 mm Hg; Melting Point: 111 °F (USCG, 1999); Melting Point: 45 - 46 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.