CAS 66086-33-7|DI-TERT-BUTYL ACETYLENEDICARBOXYLATE

Introduction：Basic information about CAS 66086-33-7|DI-TERT-BUTYL ACETYLENEDICARBOXYLATE, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Articles2
6. Synonyms

Common Name	DI-TERT-BUTYL ACETYLENEDICARBOXYLATE
CAS Number	66086-33-7	Molecular Weight	226.26900
Density	1.042g/cm3	Boiling Point	80-82ºC0.05 mm Hg(lit.)
Molecular Formula	C₁₂H₁₈O₄	Melting Point	33-37ºC(lit.)
MSDS	ChineseUSA	Flash Point	>230 °F
Symbol	GHS05, GHS07	Signal Word	Danger

Names

Name	ditert-butyl but-2-ynedioate
Synonym	More Synonyms

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
InChIKey	FBCRUXRGQFLOMC-UHFFFAOYSA-N
SMILES	CC(C)(C)OC(=O)C#CC(=O)OC(C)(C)C

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

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%

Articles2

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...

Synonyms

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

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