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Tetramethylguanidine

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Tetramethylguanidine Basic information
Tetramethylguanidine Chemical Properties
  • Melting point:-30 °C
  • Boiling point:52-54 °C11 mm Hg(lit.)
  • Density 0.918 g/mL at 25 °C(lit.)
  • vapor pressure 0.2 mm Hg ( 20 °C)
  • refractive index n20/D 1.469
  • Flash point:140 °F
  • storage temp. 2-8°C
  • form Liquid
  • color APHA: ≤150
  • PH12.7 (10g/l, H2O, 25℃)
  • Relative polarity5.5
  • explosive limit1.0-7.5%(V)
  • Water Solubility miscible
  • Sensitive Air Sensitive
  • BRN 969608
  • Stability:Stable. Combustible. Incompatible with strong oxidizing agents, mineral and organic acids, carbon dioxide. Air-sensitive.
  • InChIKeyKYVBNYUBXIEUFW-UHFFFAOYSA-N
  • CAS DataBase Reference80-70-6(CAS DataBase Reference)
  • NIST Chemistry ReferenceN,N,N',N'-Tetramethylguanidine(80-70-6)
  • EPA Substance Registry SystemGuanidine, N,N,N',N'-tetramethyl- (80-70-6)
Safety Information
  • Hazard Codes C
  • Risk Statements 22-34-20/22-10
  • Safety Statements 26-27-36/37/39-45-16
  • RIDADR UN 2920 8/PG 2
  • WGK Germany 1
  • 9-23
  • Autoignition Temperature222 °C
  • Hazard Note Harmful/Corrosive
  • TSCA Yes
  • HazardClass 8
  • PackingGroup II
  • HS Code 29252000
  • ToxicityLD50 orally in Rabbit: 835 mg/kg
MSDS
Tetramethylguanidine Usage And Synthesis
  • Chemical PropertiesLiquid
  • UsesTetramethylguanidine (TMG) is used as polyurethane foam catalyst, as accelerator for the syntheses of polysulfured rubber, as a strong base in the photochemical (e.g. couplers) and in the pharmaceutical (e.g. steroids) industries. Product Data Sheet
  • UsesBase employed in the preparation of alkyl nitriles from alkyl halides and 3′-alkylthymidines from 3′-nitrothymidines.
  • Uses1,1,3,3-Tetaramethylguanidine is used as a strong, non-nucleophilic base for alkylations in organic synthesis. 1,1,3,3-Tetramethylguanidine is an efficient and selective catalyst for the benzoylation of alcohols.
  • Purification MethodsReflux it over granulated BaO, then fractionally distil it. Protect it from CO2. [Beilstein 4 IV 227.]
Tetramethylguanidine Preparation Products And Raw materials
Tetramethylguanidine(80-70-6)Related Product Information
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  • Company Name:-Hebei Huaxu Chemical Co., Ltd. Gold
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