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01095

Sigma-Aldrich

Bis(trimethylsilyl) acetylenedicarboxylate

≥98.0%

Synonym(s):

Bis(trimethylsilyl) 2-butynedioate

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About This Item

Empirical Formula (Hill Notation):
C10H18O4Si2
CAS Number:
76734-92-4
Molecular Weight:
258.42
Beilstein/REAXYS Number:
4680184
MDL number:
MFCD00009841
UNSPSC Code:
12352100
PubChem Substance ID:
329747212

assay

≥98.0%

form

liquid

refractive index

n20/D 1.439 (lit.)
n20/D 1.439

bp

94 °C/0.005 mmHg (lit.)

density

0.999 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C[Si](C)(C)OC(=O)C#CC(=O)O[Si](C)(C)C

InChI

1S/C10H18O4Si2/c1-15(2,3)13-9(11)7-8-10(12)14-16(4,5)6/h1-6H3

InChI key

RYHMNBZWRLSKHY-UHFFFAOYSA-N

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Application

Versatile synthetic intermediate with several advantages (e.g. mild cleavage of the TMS-group)

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

136.4 °F - closed cup

flash_point_c

58 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
1170293V
1170293
39375/1
039375/1

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K R Jones et al.
Journal of neurocytology, 27(1), 45-57 (1998-04-08)
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Because of their intrinsic characteristics, telomeres are genomic loci that pose significant problems during the replication of the genome. In particular, it has been observed that telomeres that are maintained in cancer cells by the alternative mechanism of the lengthening
Katarzyna J Duda et al.
Nucleic acids research, 49(10), 5568-5587 (2021-05-18)
Heterochromatin has essential functions in maintaining chromosome structure, in protecting genome integrity and in stabilizing gene expression programs. Heterochromatin is often nucleated by underlying DNA repeat sequences, such as major satellite repeats (MSR) and long interspersed nuclear elements (LINE). In
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Nature communications, 10(1), 2135-2135 (2019-05-16)
The exosome is a ribonucleolytic complex that plays important roles in RNA metabolism. Here we show that the exosome is necessary for the repair of DNA double-strand breaks (DSBs) in human cells and that RNA clearance is an essential step

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