Hexanoic anhydride - ≥95% , CAS No.2051-49-2

CAS: 2051-49-2 Cat. No.: H141297 Molecular Weight: 214.3 Beilstein Registry Number: 1776561 EC Number: 218-121-4
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Caproic anhydride | RUF459I8KS | Ambuphylline (USAN) | MFCD00009509 | n-Hexanoic acid anhydride | EINECS 218-121-4 | Hexanoic acid, anhydride | Hexanoic anhydride | n-Hexanoic anhydride | Caproic acid anhydride | AS-18084 | Hexanoic anhydride, purum, >=97
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
H141297-25g
4
$14.90
100g
H141297-100g
5
$51.90
500g
H141297-500g
2

$152.90

$231.90
Save $79.00 (34.07%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

A reactant in the synthesis of acremomannolipin A

Specifications

Synonyms
Caproic anhydride | RUF459I8KS | Ambuphylline (USAN) | MFCD00009509 | n-Hexanoic acid anhydride | EINECS 218-121-4 | Hexanoic acid, anhydride | Hexanoic anhydride | n-Hexanoic anhydride | Caproic acid anhydride | AS-18084 | Hexanoic anhydride, purum, >=97
Specifications & Purity
≥95%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504754888
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504754888
Canonical SmilesCCCCCC(=O)OC(=O)CCCCC
IUPAC Namehexanoyl hexanoate
InChIKeyPKHMTIRCAFTBDS-UHFFFAOYSA-N
INCHI1S/C12H22O3/c1-3-5-7-9-11(13)15-12(14)10-8-6-4-2/h3-10H2,1-2H3
Isomeric SMILES CCCCCC(=O)OC(=O)CCCCC
WGK Germany 3
UN Number 3265
Packing Group II
Molecular Weight 214.3
Beilstein 1776561
Reaxy-Rn 1776561
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1776561&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Carboxylic acid anhydrides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dicarboxylic acid or derivatives - Carboxylic acid anhydride - 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 dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.
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.

13 results found

Lot NumberCertificate TypeDateItem
K2511043Certificate of AnalysisNov 19, 2025 H141297
K2503033Certificate of AnalysisNov 17, 2025 H141297
H2401467Certificate of AnalysisJun 18, 2024 H141297
H2401468Certificate of AnalysisJun 18, 2024 H141297
H1611091Certificate of AnalysisApr 02, 2024 H141297
F1920016Certificate of AnalysisApr 12, 2023 H141297
E1930020Certificate of AnalysisMar 09, 2023 H141297
G2321105Certificate of AnalysisAug 23, 2022 H141297
G2321124Certificate of AnalysisAug 23, 2022 H141297
I2227415Certificate of AnalysisAug 23, 2022 H141297
I2227416Certificate of AnalysisAug 23, 2022 H141297
I2227417Certificate of AnalysisAug 23, 2022 H141297
I2227418Certificate of AnalysisAug 23, 2022 H141297

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Chemical and Physical Properties
SolubilityHydrolyzes in water.
SensitivityMoisture sensitive
Refractive Index1.427-1.429
Flash Point(°F)235.4 °F
Flash Point(°C)130 °C
Boil Point(°C)246-248°C
Melt Point(°C)-40°C
Molecular Weight214.300 g/mol
XLogP33.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count10
Exact Mass214.157 Da
Monoisotopic Mass214.157 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count15
Formal Charge0
Complexity167.000
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
References
1. Zhang Yunfei, Wang Xilun, Luo Lu, Huang Yongchun, Li Kai, Li Jianbin.  (2022)  Enhancement effect of acylated cellulose nanocrystals on waterborne polyurethane.  JOURNAL OF POLYMER RESEARCH,  29  (8): (1-11).  [PMID:] [10.1007/s10965-022-02996-6]
2. Wei Li, Zhengqiao Zhang, Jie Wu, Zhenzhen Xu, Zhi Liu.  (2019)  Phosphorylation/caproylation of cornstarch to improve its adhesion to PLA and cotton fibers.  RSC Advances,  (60): (34880-34887).  [PMID:35530666] [10.1039/C9RA07384A]
3. Wei Li, Jie Wu, Xingui Cheng, Lanjuan Wu, Zhi Liu, Qingqing Ni, Yuhao Lu.  (2019)  Hydroxypropylsulfonation/Caproylation of Cornstarch to Enhance Its Adhesion to PLA Fibers for PLA Sizing.  Polymers,  11  (7): (1197).  [PMID:31319518] [10.3390/polym11071197]
4. Sheng Tang, Jian-De Liu, Wei Chen, Shao-Hua Huang, Juan Zhang, Zheng-Wu Bai.  (2017)  Performance comparison of chiral separation materials derived from N-cyclohexylcarbonyl and N-hexanoyl chitosans.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:29246422] [10.1016/j.chroma.2017.11.067]
5. Xiaoyi Cheng, Xiang-Fu Du, Jing Long, Yangyi Nie, Yuhan Du, Luyao Cheng, Cairong Li, Mei-Xia Zhao, Yuxiao Lai, Wei Zhang.  (2026)  Multifunctional cisplatin-loaded polydopamine/MnO2 nanomedicine circumvents drug resistant tumor microenvironment for enhanced chemo-photothermal therapy.  COLLOIDS AND SURFACES B-BIOINTERFACES,      [PMID:41666770] [10.1016/j.colsurfb.2026.115505]
Solution Calculators
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