2,2,6,6-tetramethylheptane-3,5-dione 2,2,6,6-四甲基-3,5-庚二酮

CAS 1118-71-4 MFCD00008848




Mol. FormulaC11
Mol. Weight184
Boiling Point72-73
Refractive index1.4580 to 1.4600
Flash Point67°C(lit.)
Melting Point19°C


Chemical Name2,2,6,6-tetramethylheptane-3,5-dione
CAS Number1118-71-4
Alfabeta NameTETRAMETHYLHEPTANEDIONE 226635---,,,,
MDL NumberMFCD00008848
Synonym 2,2,6,6-Tetramethylheptane-3,5-dione,98%TMHD Dipivaloylmethane TMHD
PubChem Substance ID70700
EC Number214-268-3
Beilstein Registry Number1447269
Chemical Name Translation2,2,6,6-四甲基-3,5-庚二酮
LabNetwork Molecule IDLN00008875
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  • {uni_hamburg} no charge; ketone; 1fragment
  • {SNA} Acylation Reagents, Analytical Reagents, Analytical/Chromatography, Derivatization Reagents, Derivatization Reagents GC, Reagents for Acylation
  • Building Blocks, C11 to C12, Carbonyl Compounds, Chemical Synthesis, Ketones, Organic Building Blocks
  • {SNA} Acylation Reagents, Derivatization Reagents, Derivatization Reagents GC, Reagents for Acylation, 分析/色谱, 分析试剂


  • 2,2,6,6-tetramethyl-3,5-heptanedione was used in the synthesis of α-aryl-β-diketones1 and dicyanamidobenzene-bridge diruthenium complex.


  • High purity grade particularly suitable for chemical vapor deposition (CVD) applications.
  • Short: EINECS
  • Short: III/35E
  • Beilstein:1(4)3729
  • The volatile complexes with rare-earth metals are widely used in CVD. For a review of metal alkoxides and ß-diketonates as precursors for oxide and non-oxide thin films, see: Appl. Organomet. Chem., 6, 627 (1992).


GHS Symbol
WGK Germany1
Hazard statements
  • H302 Harmful if swallowed 吞食有害
  • H227 Combustible liquid 可燃液体
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes Xn
Signal word Warning
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P262 Do not get in eyes, on skin, or on clothing. 不要接触眼睛,皮肤或衣服。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P305+P351+P338
  • P370+P378
  • P403+P235
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Safety Statements
  • S1/24/25
  • S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾;
  • S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触;
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
Risk Statements
  • R22 Harmful if swallowed 吞咽有害
Storage condition 充氩保存


  • Sigma Aldrich:1118-71-4(sigmaaldrich)
  • 上游原料:乙醇 --> 盐酸 --> 乙酸乙酯 --> 乙醚 --> 四氢呋喃 --> N,N-二甲基甲酰胺 --> 氢化钠 --> 频哪酮 --> 三甲基乙酸甲酯
  • 下游产品:
  • Alfa Aesar:2,2,6,6-四甲基-3,5-庚烷二酮,99+% 2,2,6,6-Tetramethyl-3,5-heptanedione, 99+%(1118-71-4)
  • MOL 文件:1118-71-4.mol
  • 2,2,6,6-四甲基-3,5-庚二酮价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 D1678 二新戊酰甲烷 Dipivaloylmethane 5G 364元 2014/06/02 D1678 二新戊酰甲烷 Dipivaloylmethane 25G 1280元 2010/06/21 168320050 2,2,6,6-四甲基-3,5-庚二酮 2,2,6,6-Tetramethyl-3,5-heptanedione 98% 5 GR 465元
  • TSCA:T
  • 不溶于水。
  • 图谱信息:2,2,6,6-四甲基-3,5-庚二酮(1118-71-4)核磁图( 13 CNMR) 2,2,6,6-四甲基-3,5-庚二酮(1118-71-4)Raman光谱 2,2,6,6-四甲基-3,5-庚二酮(1118-71-4)质谱(MS) 2,2,6,6-四甲基-3,5-庚二酮(1118-71-4)红外图谱(IR1) 2,2,6,6-四甲基-3,5-庚二酮(1118-71-4)核磁图( 1 HNMR)
  • TCI Shanghai:2,2,6,6-四甲基-3,5-庚二酮 Dipivaloylmethane,>;97.0%(GC)(1118-71-4)
  • 存储注意事项:氮气保护
  • Acros Organics:2,2,6,6-四甲基-3,5-庚二酮 2,2,6,6-Tetramethyl-3,5-heptanedione, 98%(1118-71-4)