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Tetramethylguanidine Structure

Tetramethylguanidine

Chemical Properties

Melting point -30 °C
Boiling point 162-163 °C (lit.)
Density  0.916 g/mL at 20 °C (lit.)
vapor pressure  0.2 mm Hg ( 20 °C)
refractive index  n20/D 1.469
Flash point 140 °F
storage temp.  Store below +30°C.
solubility  Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly)
pka 15.20±0.70(Predicted)
form  Liquid
color  APHA: ≤150
PH 12.7 (10g/l, H2O, 25℃)
Relative polarity 5.5
Odor mild ammoniacal odor
explosive limit 1.0-7.5%(V)
Water Solubility  miscible
Sensitive  Air Sensitive
BRN  969608
Dielectric constant 23.100000000000001
Stability Stable. Combustible. Incompatible with strong oxidizing agents, mineral and organic acids, carbon dioxide. Air-sensitive.
InChIKey KYVBNYUBXIEUFW-UHFFFAOYSA-N
LogP -0.49 at 20℃
CAS DataBase Reference 80-70-6(CAS DataBase Reference)
NIST Chemistry Reference N,N,N',N'-Tetramethylguanidine(80-70-6)
EPA Substance Registry System Guanidine, 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 Temperature 222 °C
Hazard Note  Harmful/Corrosive
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29252000
Toxicity LD50 orally in Rabbit: 835 mg/kg

MSDS

Usage And Synthesis

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