Bis(trimethylsilyl)acetylene
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- $5 - $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;BSTMA;Bis(trimethylsilyl)acetylene 99%;1,2-BIS-TRIMETHYLSILANYL-ETHYNE;TIMTEC-BB SBB008997;ICLA-002;1,2-Bis(trimethylsilyl)acetylene;1,2-ethynediylbis[trimethyl-silan
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Brand
- aablocks
- Acrotein
- AHH
- AK Scientific
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- American Custom Chemicals Corporation
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Package
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- 5g
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- 25g
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- 500.00g
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 95%
- Packaging5g
- Price$8
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging1g
- Price$5
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging10g
- Price$12
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging25g
- Price$14
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging100g
- Price$40
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging250g
- Price$83
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA001DSO
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging500g
- Price$150
- Updated2026-05-28
- Buy
- ManufacturerAcrotein
- Product numberAC-5749
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging100g
- Price$178.94
- Updated2026-05-25
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- ManufacturerAcrotein
- Product numberAC-5749
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging25g
- Price$82.5
- Updated2021-12-16
- Buy
- ManufacturerAcrotein
- Product numberAC-5749
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging25g
- Price$63.06
- Updated2026-05-25
- Buy
- ManufacturerAcrotein
- Product numberAC-5749
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging5g
- Price$20.3
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-48154
- Product descriptionBis(trimethylsilyl)acetylene 98%
- Packaging250g
- Price$250
- Updated2021-12-16
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- ManufacturerAHH
- Product numberMT-48154
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging250g
- Price$250
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-48154
- Product descriptionBis(trimethylsilyl)acetylene 97%
- Packaging250g
- Price$250
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberX7176
- Product descriptionBis(trimethylsilyl)acetylene
- Packaging1g
- Price$14
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ53899
- Product descriptionBis(trimethylsilyl)acetylene
- Packaging1g
- Price$10
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 95% | 5g | $8 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 1g | $5 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 10g | $12 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 25g | $14 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 100g | $40 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 250g | $83 | 2026-05-28 | Buy |
| aablocks | AA001DSO | Bis(trimethylsilyl)acetylene 98% | 500g | $150 | 2026-05-28 | Buy |
| Acrotein | AC-5749 | Bis(trimethylsilyl)acetylene 97% | 100g | $178.94 | 2026-05-25 | Buy |
| Acrotein | AC-5749 | Bis(trimethylsilyl)acetylene 97% | 25g | $82.5 | 2021-12-16 | Buy |
| Acrotein | AC-5749 | Bis(trimethylsilyl)acetylene 97% | 25g | $63.06 | 2026-05-25 | Buy |
| Acrotein | AC-5749 | Bis(trimethylsilyl)acetylene 97% | 5g | $20.3 | 2026-05-25 | Buy |
| AHH | MT-48154 | Bis(trimethylsilyl)acetylene 98% | 250g | $250 | 2021-12-16 | Buy |
| AHH | MT-48154 | Bis(trimethylsilyl)acetylene 97% | 250g | $250 | 2026-05-25 | Buy |
| AHH | MT-48154 | Bis(trimethylsilyl)acetylene 97% | 250g | $250 | 2026-05-26 | 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 |
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
InChI :1S/C8H18Si2/c1-9(2,3)7-8-10(4,5)6/h1-6H3
InChIKey :ZDWYFWIBTZJGOR-UHFFFAOYSA-N
SMILES :C[Si](C)(C)C#C[Si](C)(C)C
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)
Boiling point :136-137 °C(lit.)
Density :0.752 g/mL at 25 °C(lit.)
refractive index :n
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
InChI :1S/C8H18Si2/c1-9(2,3)7-8-10(4,5)6/h1-6H3
InChIKey :ZDWYFWIBTZJGOR-UHFFFAOYSA-N
SMILES :C[Si](C)(C)C#C[Si](C)(C)C
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): |
 
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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]).More related product prices
18733-91-0 4669-59-4 4526-07-2 2170-08-3 18306-29-1 Bis(trimethylsilyl)methane Trimethylsilylacetylene Bis(trimethylsilyl)acetylene TetramethylsilaneRelated product price
- 18733-91-0
$27-2630 - 4669-59-4
$21-367 - 4526-07-2
$11-772
Suppliers and manufacturers
Capot Chemical Co.,Ltd.
Shanghai Daken Advanced Materials Co.,Ltd
Henan Tianfu Chemical Co.,Ltd.
Nanjing ChemLin Chemical Industry Co., Ltd.
ATK CHEMICAL COMPANY LIMITED
Win-Win Chemical CO., Limited
Xiamen AmoyChem Co., Ltd
Alchem Pharmtech,Inc.
