油酸正丁酯

Description

n-Butyl Oleate · CAS 142-77-8 · C22H42O2. UNII 487I65419Q. Boiling Point: 228 °C AT 15 MM HG; Melting Point: -26.4 °C; Flash Point: 356 °F.

Identification

CAS Registry Number	142-77-8
PubChem CID	5354342
Molecular formula	C22H42O2
IUPAC name	butyl (Z)-octadec-9-enoate
UNII (FDA)	487I65419Q

Computed Descriptors

Molecular Weight	338.6
XLogP3	8.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	19
Exact Mass	338.318480578
Monoisotopic Mass	338.318480578
Topological Polar Surface Area	26.3
Heavy Atom Count	24
Formal Charge	0

Physical & Chemical Properties

Boiling Point	228 °C AT 15 MM HG
Melting Point	-26.4 °C
Flash Point	356 °F
Density	0.8704 AT 15 °C
Vapor Pressure	0.00000263 [mmHg]

Physical description & handling notes

• Liquid
• Light colored liquid; [Hawley] Yellow liquid; [HSDB]
• YELLOW LIQUID
• LIGHT-COLORED, OLEAGINOUS LIQUID; OPAQUE AT 12 °C, SOLID AT -26.4 °C
• MILD ODOR
• SOL IN ALCOHOL; INSOL IN WATER

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS Flavoring Agents CIR / INCI: Cosmetic ingredients (Butyl Oleate) -> CIR (Cosmetic Ingredient Review)
GHS notification summary	53.2% (200 / 376)

GHS Hazard Classification

GHS notification summary	53.2% (200 / 376)
Reported hazard statements	H315 (46.8%), H319 (46.8%), H335 (41%)

Documented Uses

• Used as plasticizer (especially PVC), solvent, lubricant, and water-resistant agent in coatings and polishes; Also used as a softener for natural and synthetic rubbers, an agricultural defoamer, and a fragrance additive; [HSDB]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• PLASTICIZER, PARTICULARLY FOR PVC; SOLVENT; LUBRICANT; WATER-RESISTING AGENT; COATING COMPOSITIONS; POLISHES; WATER-PROOFING COMPOUNDS
• SOFTENER FOR NATURAL & SYNTHETIC RUBBERS-EG, NEOPRENE
• PLASTICIZER FOR POLYMERS-EG, POLYSTYRENE, ETHYL CELLULOSE
• Surfactant (surface active agent)

Synonyms

Butyl oleate; 142-77-8; n-Butyl oleate; Butyl cis-9-octadecenoate; 1-Butyl oleate; butyloleate; Advaplast 42; Kesscoflex BO; OLEIC ACID, BUTYL ESTER; Plasthall 914; Wilmar Butyl Oleate; Witcizer 100; Witcizer 101; Bytyl oleate; Kessco 554; Uniflex BYO

Frequently Asked Questions

What are the CAS number and molecular formula of n-Butyl Oleate?

CAS 142-77-8; molecular formula C22H42O2; molecular weight — g/mol.

What other names is n-Butyl Oleate known by?

Butyl oleate, 142-77-8, n-Butyl oleate, Butyl cis-9-octadecenoate, 1-Butyl oleate, butyloleate.

What is the regulatory status of n-Butyl Oleate?

Documented regulatory listings: EU Flavoring substances; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; Flavoring Agents.

Is n-Butyl Oleate classified as hazardous?

53.2% of GHS notifications report no hazard classification (200 of 376).

What are the key physical properties of n-Butyl Oleate?

Boiling Point: 228 °C AT 15 MM HG; Melting Point: -26.4 °C; Flash Point: 356 °F; Density: 0.8704 AT 15 °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.