187437

Bis(trimethylsilyl)acetylene

99%

Manufacturer: Sigma Aldrich

CAS Number: 14630-40-1

Synonym(S): BTMSA

Select a Size

Pack Size SKU Availability Price
10 G 187437-10-G In Stock ₹ 6,614.08
50 G 187437-50-G In Stock ₹ 24,886.68

187437 - 10 G

₹ 6,614.08

In Stock

Quantity

1

Base Price: ₹ 6,614.08

GST (18%): ₹ 1,190.534

Total Price: ₹ 7,804.614

Quality Level

100

Assay

99%

refractive index

n20/D 1.427 (lit.)

bp

136-137 °C (lit.)

mp

21-24 °C (lit.)

density

0.752 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C[Si](C)(C)C#C[Si](C)(C)C

InChI

1S/C8H18Si2/c1-9(2,3)7-8-10(4,5)6/h1-6H3

InChI key

ZDWYFWIBTZJGOR-UHFFFAOYSA-N

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Description

  • General description: Bis(trimethylsilyl)acetylene (BTMSA) participates as nucleophile in Friedel-Crafts type acylations and alkylations. BTMSA undergoes rhodium catalyzed addition reaction with diarylacetylenes.[1] It undergoes cycloaddition with 1,5-hexadiynes in the presence of CpCo(CO)2 (Cp=cyclopentadienyl) to form benzocyclobutenes.[2] Structure of BTMSA was characterized by a centre of inversion present on triple bond (length=1.208(3)Å).[3] TiCl4-Et2AlCl catalyzed Diels-Alder reaction of BTMSA with norbornadiene has been reported.[4]
  • Application: Bis(trimethylsilyl)acetylene (BTMSA) was used as starting reagent in the synthesis of functionalized 4-R-1,2-bis(trimethylsilyl)benzenes[5]. It was also used in the synthesis of (+)-brasilenyne[6] and (β-diketanato)Ag(BTMSA)[6].

SAFETY INFORMATION

Pictograms

GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H315,H319,H335

Precautionary Statements

P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

35.6 °F

Flash Point(C)

2 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Show Difference

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Sigma Aldrich

187437

99%...


Quality Level:
100

Assay:
99%

refractive index:
n20/D 1.427 (lit.)

bp:
136-137 °C (lit.)

mp:
21-24 °C (lit.)

density:
0.752 g/mL at 25 °C (lit.)

storage temp.:
2-8°C

SMILES string:
C[Si](C)(C)C#C[Si](C)(C)C

InChI:
1S/C8H18Si2/c1-9(2,3)7-8-10(4,5)6/h1-6H3

InChI key:
ZDWYFWIBTZJGOR-UHFFFAOYSA-N

Img

Sigma Aldrich

187518

99%...


Quality Level:
100

Assay:
99%

refractive index:
n20/D 1.560 (lit.)

bp:
142-143 °C/21 mmHg (lit.)

mp:
15-17 °C

density:
1.462 g/mL at 25 °C (lit.)

storage temp.:
__

SMILES string:
ClC(=O)c1c(Cl)cccc1Cl

InChI:
1S/C7H3Cl3O/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3H

InChI key:
JBLIDPPHFGWTKU-UHFFFAOYSA-N

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Assay:
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n20/D 1.444 (lit.)

bp:
273 °C (lit.)

mp:
__

density:
1.021 g/mL at 25 °C (lit.)

storage temp.:
__

SMILES string:
__

InChI:
1S/C9H20O4/c1-4-8(10)12-6-7(3)13-9(11)5-2/h7-11H,4-6H2,1-3H3

InChI key:
SNAJJYBUNRAGEF-UHFFFAOYSA-N

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Sigma Aldrich

187836

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Quality Level:
100

Assay:
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refractive index:
n20/D 1.478 (lit.)

bp:
__

mp:
__

density:
0.886 g/mL at 25 °C (lit.)

storage temp.:
__

SMILES string:
C[C@]12C[C@@H]3C[C@H](C1)C[C@@](C)(C3)C2

InChI:
1S/C12H20/c1-11-4-9-3-10(5-11)7-12(2,6-9)8-11/h9-10H,3-8H2,1-2H3/t9-,10+,11-,12+

InChI key:
CWNOIUTVJRWADX-BKUVIOGVSA-N