2,2,6,6-Tetramethyl-3,5-heptanedione - ≥97% , CAS No.1118-71-4

CAS: 1118-71-4 Cat. No.: T591142 Molecular Weight: 184.28 Beilstein Registry Number: 1447269 EC Number: 214-268-3 PubChem CID: 70700
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
TMHD | 2, 2, 6, 6-tetramethylheptane-3,5-dione | STR03983 | (CH3)3CCOCH2COC(CH3)3 | J-506773 | 2,2,6,6-Tetramethyl-3,5-heptanedione | D1678 | DTXCID4029355 | CAS-1118-71-4 | DTXSID7049396 | 3,5-Heptanedione,2,2,6,6-tetramethyl- | Q27287980 | Dipivaloylmet
Storage
Room temperature,Argon charged,Desiccated,Cool
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
T591142-5g
2
$9.90
25g
T591142-25g
2
$19.90
100g
T591142-100g
2
$53.90
500g
T591142-500g
1
$239.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
TMHD | 2, 2, 6, 6-tetramethylheptane-3, 5-dione | STR03983 | (CH3)3CCOCH2COC(CH3)3 | J-506773 | 2, 2, 6, 6-Tetramethyl-3, 5-heptanedione | D1678 | DTXCID4029355 | CAS-1118-71-4 | DTXSID7049396 | 3, 5-Heptanedione, 2, 2, 6, 6-tetramethyl- | Q27287980 | Dipivaloylmet
Specifications & Purity
≥97%
Storage
Room temperature, Argon charged, Desiccated, Cool
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Canonical SmilesCC(C)(C)C(=O)CC(=O)C(C)(C)C
IUPAC Name2,2,6,6-tetramethylheptane-3,5-dione
InChIKeyYRAJNWYBUCUFBD-UHFFFAOYSA-N
INCHI1S/C11H20O2/c1-10(2,3)8(12)7-9(13)11(4,5)6/h7H2,1-6H3
Isomeric SMILES CC(C)(C)C(=O)CC(=O)C(C)(C)C
WGK Germany 3
PubChem CID 70700
Molecular Weight 184.28
Beilstein 1447269
Reaxy-Rn 1447269

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 oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes 1,3-dicarbonyl compounds
Direct ParentBeta-diketones
Alternative Parents Ketones  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents 1,3-diketone - Ketone - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta-diketones. These are organic compounds containing two keto groups separated by a single 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.

8 results found

Lot NumberCertificate TypeDateItem
E2609641Certificate of AnalysisMay 06, 2026 T591142
E2609642Certificate of AnalysisMay 06, 2026 T591142
E2609643Certificate of AnalysisMay 06, 2026 T591142
F2315490Certificate of AnalysisJun 30, 2023 T591142
F2315493Certificate of AnalysisJun 30, 2023 T591142
F2315494Certificate of AnalysisJun 30, 2023 T591142
F2315502Certificate of AnalysisJun 30, 2023 T591142
G2501045Certificate of AnalysisJun 30, 2023 T591142
Chemical and Physical Properties
SolubilityDifficult to mix.
Refractive Index1.4579-1.4599
Flash Point(°F)152.6 °F
Flash Point(°C)67 °C
Boil Point(°C)72-73 °C/6 mmHg (lit.)
Melt Point(°C)19°C
Molecular Weight184.270 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Exact Mass184.146 Da
Monoisotopic Mass184.146 Da
Topological Polar Surface Area34.100 Ų
Heavy Atom Count13
Formal Charge0
Complexity189.000
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. Yafei Zhen, Tao Lin, Hanjiao Chen, Jing Hu, Xiandeng Hou.  (2022)  Vapor Generation of Rare-Earth Elements via Reaction with Tetrahydroborate: Chemical Identities and Mechanisms of Formation.  ANALYTICAL CHEMISTRY,      [PMID:36301518] [10.1021/acs.analchem.2c01486]
2. Weiwei Zhang, Chenxing Hu, Xinsheng Qiu, Hansheng Li, Qin Wu, Daxin Shi, Yaoyuan Zhang, Kangcheng Chen.  (2025)  Main-Chain Densely Sulfonated Poly(phenylquinoxaline) PEMs: Achieving High Power Density in DMFCs via Microphase methodology.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124768]
Solution Calculators
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