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
DownStream
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
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 ...
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...