Butyl levulinate - ≥98% , CAS No.2052-15-5

CAS: 2052-15-5 Cat. No.: B119906 Formula: C9H16O3 Molecular Weight: 172.22 Beilstein Registry Number: 507641 EC Number: 218-143-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-Ketopentanoic acid butyl ester|Butyl acetylpropionate|BUTYL LEVULINATE [FHFI]|Pentanoic acid, 4-oxo-, butyl ester|butyllevulinate|Butyl4-oxopentanoate|butyl 4-oxidanylidenepentanoate|n-Butyl levulinate|n-butyl-4-ketovalerate|Butyl levulinate|Levulinic acid n-butyl ester|n-Butyl 4-oxopentanoate|4-Oxovaleric Acid Butyl Ester|Butyl 4-oxopentanoate|4-oxopentanoic acid butyl ester|4-oxo-pentanoic acid butyl ester|Levulinic Acid Butyl Ester|n-Butyl laevulinate|Butyl 4-Oxovalerate|Butyl laevulinate|Butyl 4-ketovalerate
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
100ml
B119906-100ml
—
5 In stock
€17.27
500ml
B119906-500ml
Made to order · 8–12 wks
€64.13
Enter a quantity for the sizes you want to add.

Specifications

Synonyms
4-Ketopentanoic acid butyl ester | Butyl acetylpropionate | BUTYL LEVULINATE [FHFI] | Pentanoic acid, 4-oxo-, butyl ester | butyllevulinate | Butyl4-oxopentanoate | butyl 4-oxidanylidenepentanoate | n-Butyl levulinate | n-butyl-4-ketovalerate | Butyl levulinate | Levulinic acid n-butyl ester | n-Butyl 4-oxopentanoate | 4-Oxovaleric Acid B Show more
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488182235
Canonical Smiles
CCCCOC(=O)CCC(=O)C
IUPAC Name
butyl 4-oxopentanoate
InChIKey
ISBWNEKJSSLXOD-UHFFFAOYSA-N
INCHI
1S/C9H16O3/c1-3-4-7-12-9(11)6-5-8(2)10/h3-7H2,1-2H3
Isomeric SMILES
CCCCOC(=O)CCC(=O)C
WGK Germany
2
RTECS
OI1700000
Molecular Weight
172.22
Beilstein
507641
Reaxy-Rn
1768453
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1768453&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassKeto acids and derivatives
SubclassGamma-keto acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentGamma-keto acids and derivatives
Alternative Parents Fatty acid esters  Ketones  Carboxylic acid esters  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Gamma-keto acid - Fatty acid ester - Fatty acyl - Ketone - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as gamma-keto acids and derivatives. These are organic compounds containing an aldehyde substituted with a keto group on the C4 carbon atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
A2208296A2208296Certificate of AnalysisOct 13, 2025 B119906
A2208297A2208297Certificate of AnalysisOct 13, 2025 B119906
E2325245E2325245Certificate of AnalysisAug 09, 2022 B119906
I2215027I2215027Certificate of AnalysisAug 09, 2022 B119906
I2215028I2215028Certificate of AnalysisAug 09, 2022 B119906
Chemical and Physical Properties
x_refractive_index1.43
x_flash_point_drop_fahrenheit197.6 °F
x_flash_point_drop_centigrade92 °C
x_boil_point_char237°C
Molecular Weight172.220 g/mol
XLogP31.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count7
Exact Mass172.11 Da
Monoisotopic Mass172.11 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count12
Formal Charge0
Complexity152.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
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