2-|tert|-Butyl-1,1,3,3-tetramethylguanidine

Names

[ Name ]:
2-|tert|-Butyl-1,1,3,3-tetramethylguanidine

[Synonym ]:
2-tert-butyl-1,1',3,3'-tetramethylguanidine
Barton's base
((CH3)2N)2C=N(t-C4H9)
1,1,3,3-tetramethyl-2-t-butylguanidine
N''-(1,1-dimethylethyl)-N,N,N',N'-tetramethylguanidine
MFCD01862972

Chemical & Physical Properties

[ Density]:
0.84g/cm3

[ Boiling Point ]:
88-89ºC43 mm Hg(lit.)

[ Molecular Formula ]:
C₉H₂₁N₃

[ Molecular Weight ]:
171.28300

[ Flash Point ]:
65ºC

[ Exact Mass ]:
171.17400

[ PSA ]:
18.84000

[ LogP ]:
1.26410

[ Vapour Pressure ]:
0.0167mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.457

MSDS

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302-H314

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
C: Corrosive;

[ Risk Phrases ]:
22-34

[ Safety Phrases ]:
26-36/37/39-45

[ RIDADR ]:
UN 3267 8/PG 2

[ WGK Germany ]:
3

[ HS Code ]:
2925290090

Customs

[ HS Code ]: 2925290090

[ Summary ]:
2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Articles

Synthesis of highly oxygenated dinaphthyl ethers via SNAr reactions promoted by Barton's base.

Org. Lett. 5(7) , 1155-8, (2003)

[reaction: see text] Electron-rich dinaphthyl ethers were synthesized by S(N)Ar reactions between naphthols and activated fluoronaphthalenes. 2-tert-Butyl-1,1,3,3-tetramethylguanidine (Barton's base) ...

D.H.R. Barton et al.

Organic Synth. 74 , 103, (1997)

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