DI-TERT-BUTYL ACETYLENEDICARBOXYLATE

Names

[ CAS No. ]:
66086-33-7

[ Name ]:
DI-TERT-BUTYL ACETYLENEDICARBOXYLATE

[Synonym ]:
di-tert-Butyl acetylenedicarboxylate
Di-tert-butyl 2-butynedioate
EINECS 266-135-4
2-Butynedioic acid di-tert-butyl ester
acetylenedicarboxylic acid di-tert-butyl ester
dietertiarybutyl acetylenedicarboxylate
MFCD00008808

Chemical & Physical Properties

[ Density]:
1.042g/cm3

[ Boiling Point ]:
80-82ºC0.05 mm Hg(lit.)

[ Melting Point ]:
33-37ºC(lit.)

[ Molecular Formula ]:
C12H18O4

[ Molecular Weight ]:
226.26900

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
226.12100

[ PSA ]:
52.60000

[ LogP ]:
1.67320

[ Index of Refraction ]:
1.457

MSDS

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314-H335

[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
C

[ Risk Phrases ]:
34-36/37

[ Safety Phrases ]:
26-27-28-36/37/39-45

[ RIDADR ]:
UN 3261 8/PG 3

[ Packaging Group ]:
III

[ HS Code ]:
2917190090

Precursor & DownStream

Precursor

  • Isobutylene
  • 2-Butynedioic acid
  • 1-Butene

DownStream

  • di-tert-butyl phthalate

Customs

[ HS Code ]: 2917190090

[ Summary ]:
2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Articles

A new method of anomeric protection and activation based on the conversion of glycosyl azides into glycosyl fluorides.

Carbohydr. Res. 249(1) , 221-41, (1993)

Glycosyl azides provide reliable anomeric protection stable to conditions for hydrolytic removal of ester groups, for reductive opening or release of acetalic diol protection, for the introduction of ...

Highly chemo-, regio-, and enantioselective rhodium-catalyzed cross-cyclotrimerization of two different alkynes with alkenes.

Angew. Chem. Int. Ed. Engl. 53(11) , 2956-9, (2014)

It has been established that a cationic rhodium(I)/(R)-tol-binap complex catalyzes the cross-cyclotrimerization of silylacetylenes, di-tert-butyl acetylenedicarboxylates, and acrylamides with excellen...


More Articles