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ChemicalBook >> CAS DataBase List >> Bis(trimethylsilyl)acetylene

Bis(trimethylsilyl)acetylene

Bis(trimethylsilyl)acetylene price.
  • $9 - $1250.35
  • Product name: Bis(trimethylsilyl)acetylene
  • CAS: 14630-40-1
  • MF: C8H18Si2
  • MW: 170.4
  • EINECS:238-671-9
  • MDL Number:MFCD00008276
  • Synonyms:BIS(TRIMETHYLSILYL)ACETYLENE;Bis(trimethylsilyl)acetylene 99%;TIMTEC-BB SBB008997;1,2-Bis(trimethylsilyl)acetylene;1,2-ethynediylbis[trimethyl-silan ;1,2-ethynediylbis[trimethyl-Silane ;2,5-Disilahex-3-yne, 2,2,5,5-tetramethyl-;Acetylene, bis(trimethylsilyl)-
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  • ManufacturerAcrotein
  • Product numberAC-5749
  • Product descriptionBis(trimethylsilyl)acetylene 97%
  • Packaging25g
  • Price$82.5
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-48154
  • Product descriptionBis(trimethylsilyl)acetylene 98%
  • Packaging250g
  • Price$250
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberX7176
  • Product descriptionBis(trimethylsilyl)acetylene
  • Packaging1g
  • Price$14
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberJ53899
  • Product descriptionBis(trimethylsilyl)acetylene
  • Packaging1g
  • Price$10
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product numberA11960
  • Product descriptionBis(trimethylsilyl)acetylene, 99%
  • Packaging250g
  • Price$854
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA11960
  • Product descriptionBis(trimethylsilyl)acetylene, 99%
  • Packaging50g
  • Price$175.65
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA11960
  • Product descriptionBis(trimethylsilyl)acetylene, 99%
  • Packaging10g
  • Price$52.65
  • Updated2024-03-01
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  • ManufacturerAmbeed
  • Product numberA565065
  • Product descriptionBis(trimethylsilyl)acetylene 97%
  • Packaging25g
  • Price$44
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA565065
  • Product descriptionBis(trimethylsilyl)acetylene 97%
  • Packaging10g
  • Price$19
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA565065
  • Product descriptionBis(trimethylsilyl)acetylene 97%
  • Packaging5g
  • Price$11
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA565065
  • Product descriptionBis(trimethylsilyl)acetylene 97%
  • Packaging1g
  • Price$9
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0005042
  • Product descriptionBIS(TRIMETHYLSILYL)ACETYLENE 95.00%
  • Packaging25G
  • Price$1250.35
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0005042
  • Product descriptionBIS(TRIMETHYLSILYL)ACETYLENE 95.00%
  • Packaging5G
  • Price$834.5
  • Updated2021-12-16
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  • ManufacturerBiosynth Carbosynth
  • Product numberFB07694
  • Product descriptionBis(trimethylsilyl)acetylene
  • Packaging100g
  • Price$1000
  • Updated2021-12-16
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  • ManufacturerBiosynth Carbosynth
  • Product numberFB07694
  • Product descriptionBis(trimethylsilyl)acetylene
  • Packaging50g
  • Price$550
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFB07694
  • Product descriptionBis(trimethylsilyl)acetylene
  • Packaging25g
  • Price$300
  • Updated2021-12-16
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Manufacturer Product number Product description Packaging Price Updated Buy
Acrotein AC-5749 Bis(trimethylsilyl)acetylene 97% 25g $82.5 2021-12-16 Buy
AHH MT-48154 Bis(trimethylsilyl)acetylene 98% 250g $250 2021-12-16 Buy
AK Scientific X7176 Bis(trimethylsilyl)acetylene 1g $14 2021-12-16 Buy
AK Scientific J53899 Bis(trimethylsilyl)acetylene 1g $10 2021-12-16 Buy
Alfa Aesar A11960 Bis(trimethylsilyl)acetylene, 99% 250g $854 2024-03-01 Buy
Alfa Aesar A11960 Bis(trimethylsilyl)acetylene, 99% 50g $175.65 2024-03-01 Buy
Alfa Aesar A11960 Bis(trimethylsilyl)acetylene, 99% 10g $52.65 2024-03-01 Buy
Ambeed A565065 Bis(trimethylsilyl)acetylene 97% 25g $44 2021-12-16 Buy
Ambeed A565065 Bis(trimethylsilyl)acetylene 97% 10g $19 2021-12-16 Buy
Ambeed A565065 Bis(trimethylsilyl)acetylene 97% 5g $11 2021-12-16 Buy
Ambeed A565065 Bis(trimethylsilyl)acetylene 97% 1g $9 2021-12-16 Buy
American Custom Chemicals Corporation ORS0005042 BIS(TRIMETHYLSILYL)ACETYLENE 95.00% 25G $1250.35 2021-12-16 Buy
American Custom Chemicals Corporation ORS0005042 BIS(TRIMETHYLSILYL)ACETYLENE 95.00% 5G $834.5 2021-12-16 Buy
Biosynth Carbosynth FB07694 Bis(trimethylsilyl)acetylene 100g $1000 2021-12-16 Buy
Biosynth Carbosynth FB07694 Bis(trimethylsilyl)acetylene 50g $550 2021-12-16 Buy
Biosynth Carbosynth FB07694 Bis(trimethylsilyl)acetylene 25g $300 2021-12-16 Buy

Properties

Melting point :21-24 °C(lit.)
Boiling point :136-137 °C(lit.)
Density :0.752 g/mL at 25 °C(lit.)
refractive index :n20/D 1.427(lit.)
Flash point :29 °C
storage temp. :2-8°C
solubility :soluble in Chloroform, Methanol
form :liquid
Specific Gravity :0.770
color :colorless
Water Solubility :MAY DECOMPOSE
Hydrolytic Sensitivity :2: reacts with aqueous acid
BRN :906870
InChIKey :ZDWYFWIBTZJGOR-UHFFFAOYSA-N
CAS DataBase Reference :14630-40-1(CAS DataBase Reference)
NIST Chemistry Reference :Silane, 1,2-ethynediylbis[trimethyl-(14630-40-1)
EPA Substance Registry System :Silane, 1,2-ethynediylbis[trimethyl- (14630-40-1)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

BTMSA is used as starting reagent in the synthesis of functionalized 4-R-1,2-bis(trimethylsilyl)benzenes. It is also used in the synthesis of (+)-brasilenyne2 and (β-diketanato)Ag(BTMSA). Bis(trimethylsilyl)acetylene is a ligand that binds to a central metal ion (e.g. Titanium) to create a coordination complex. One of its complexes, Permethyltitanocene-bis(trimethylsilyl)acetylene, is a catalyst for the head-to-tail dimerization of 1-alkynes (e.g. 3-Penten-1-yne [P227430]).

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