bis(trimethylsilyl) but-2-ynedioate

Modify Date: 2024-04-05 16:34:08

bis(trimethylsilyl) but-2-ynedioate Structure
bis(trimethylsilyl) but-2-ynedioate structure
Common Name bis(trimethylsilyl) but-2-ynedioate
CAS Number 76734-92-4 Molecular Weight 258.41900
Density 0.999 g/mL at 25ºC(lit.) Boiling Point 94ºC0.005 mm Hg(lit.)
Molecular Formula C10H18O4Si2 Melting Point N/A
MSDS N/A Flash Point 67ºC

 Names

Name bis(trimethylsilyl) but-2-ynedioate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.999 g/mL at 25ºC(lit.)
Boiling Point 94ºC0.005 mm Hg(lit.)
Molecular Formula C10H18O4Si2
Molecular Weight 258.41900
Flash Point 67ºC
Exact Mass 258.07400
PSA 52.60000
LogP 1.74600
Index of Refraction n20/D 1.439(lit.)

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases 36/37/38
Safety Phrases 26
RIDADR UN 1993 3/PG 3
Packaging Group III
Hazard Class 3.2
HS Code 2931900090

 Synthetic Route

~91%

bis(trimethylsilyl) but-2-ynedioate Structure

bis(trimethylsi...

CAS#:76734-92-4

Literature: Hergott, Hans Herbert; Simchen, Gerhard Synthesis, 1980 , # 8 p. 626 - 627

~90%

bis(trimethylsilyl) but-2-ynedioate Structure

bis(trimethylsi...

CAS#:76734-92-4

Literature: Verboom, W.; Visser, G. W.; Reinhoudt, D. N. Synthesis, 1981 , # 10 p. 807 - 809

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

ester
Bis(trimethylsilyl) 2-butynedioate
2-Butynedioic acid,ditrimethylsilyl
Me3SiO2CCCCO2SiMe3
Bis-trimethylsilylacetylenedicarboxylate