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Bis(trimethylsilyl)methane

CAS No.
2117-28-4
Chemical Name:
Bis(trimethylsilyl)methane
Synonyms
DK210;Di(trimethylsilyl)methane;BIS(TRIMETHYLSILYL)METHANE;methylenebis[trimethyl-silan;METHYLENEBIS(TRIMETHYLSILANE);bis(trimethylsilanyl)-methane;Bis(trimethylsilyl)methane,97%;Bis(trimethylsilyl)methane >silane,methylenebis[trimethyl]-;Silane, methylenebis*trimethyl-
CBNumber:
CB5776849
Molecular Formula:
C7H20Si2
Molecular Weight:
160.4
MDL Number:
MFCD00008275
MOL File:
2117-28-4.mol
MSDS File:
SDS
Last updated:2026-01-13 11:23:02
Product description Number Pack Size Price
Bis(trimethylsilyl)methane 97% 282138 5g $504
Bis(trimethylsilyl)methane >95.0%(GC) B1857 10mL $166
Bis(trimethylsilyl)methane, 97% 14-1500 1g $46
Bis(trimethylsilyl)methane, 97% 14-1500 5g $184
Bis(trimethylsilyl)methane B593315 1g $100
More product size

Bis(trimethylsilyl)methane Properties

Melting point -71 °C (lit.)
Boiling point 133-134 °C (lit.)
Density 0.751 g/mL at 25 °C (lit.)
refractive index n20/D 1.417(lit.)
Flash point 55 °F
form liquid
color colorless
Specific Gravity 0.752
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
BRN 1734530
InChI 1S/C7H20Si2/c1-8(2,3)7-9(4,5)6/h7H2,1-6H3
InChIKey GYIODRUWWNNGPI-UHFFFAOYSA-N
SMILES C[Si](C)(C)C[Si](C)(C)C
CAS DataBase Reference 2117-28-4(CAS DataBase Reference)
FDA UNII 3XS24AZP3Z
NIST Chemistry Reference Silane, methylenebis[trimethyl-(2117-28-4)
EPA Substance Registry System Silane, methylenebis[trimethyl- (2117-28-4)
UNSPSC Code 12352103
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H315-H319-H335
Precautionary statements  P210-P261-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F,Xi
Risk Statements  11-36/37/38
Safety Statements  9-16-29-33-36/37/39
RIDADR  UN 1993 3/PG 2
WGK Germany  3
TSCA  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29319000
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
2 0

Bis(trimethylsilyl)methane price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 282138 Bis(trimethylsilyl)methane 97% 2117-28-4 5g $504 2023-06-20 Buy
TCI Chemical B1857 Bis(trimethylsilyl)methane >95.0%(GC) 2117-28-4 10mL $166 2025-07-31 Buy
Strem Chemicals 14-1500 Bis(trimethylsilyl)methane, 97% 2117-28-4 1g $46 2024-03-01 Buy
Strem Chemicals 14-1500 Bis(trimethylsilyl)methane, 97% 2117-28-4 5g $184 2024-03-01 Buy
TRC B593315 Bis(trimethylsilyl)methane 2117-28-4 1g $100 2021-12-16 Buy
Product number Packaging Price Buy
282138 5g $504 Buy
B1857 10mL $166 Buy
14-1500 1g $46 Buy
14-1500 5g $184 Buy
B593315 1g $100 Buy

Bis(trimethylsilyl)methane Chemical Properties,Uses,Production

Chemical Properties

clear colorless liquid

Uses

Bis(trimethylsilyl)methane is a precursor of (Me3Si)2CHLi and Me3SiCH2Li, which are useful in Peterson alkenation reactions[1].

storage

Bis(trimethylsilyl)methane can be stored in a glass bottle.

References

1. (a) Grōbel, B.-T.; Seebach, D. AG(E) 1974, 13, 83. (b) Cook, M. A.; Eaborn, C.; Jukes, A. E.; Walton, D. R. M. JOM, 1970, 24, 52.

Bis(trimethylsilyl)methane Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 133)Suppliers
Supplier Tel Email Country ProdList Advantage
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
+86-13017695106 +86-13676922317 jiuyitime@fdachem.com China 16513 58
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 13620 58
career henan chemical co
+86-0371-86658258 +8613203830695 factory@coreychem.com China 29795 58
Hubei Co-Formula Material Tech Co., Ltd.
+86-27-84459282 sales@cfmats.com CHINA 882 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58
Alfa Chemistry
+1-5166625404; Info@alfa-chemistry.com United States 20405 58
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49734 58
Hebei Chuanghai Biotechnology Co., Ltd
+8615531151365 mina@chuanghaibio.com China 18126 58
PT CHEM GROUP LIMITED
+86-85511178; peter68@ptchemgroup.com China 35425 58

View Lastest Price from Bis(trimethylsilyl)methane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methylenebis(trimethylsilane) pictures 2025-10-13 Methylenebis(trimethylsilane)
2117-28-4
US $1.10-9.90 / kg 1kg 99%min 100kg ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
BIS(TRIMETHYLSILYL)METHANE pictures 2025-07-02 BIS(TRIMETHYLSILYL)METHANE
2117-28-4
US $0.00 / KG 1KG 95% 1000KG /month Shanghai Daken Advanced Materials Co.,Ltd
Bis(trimethylsilyl)methane pictures 2020-01-03 Bis(trimethylsilyl)methane
2117-28-4
US $1.00 / KG 1KG 99% 1kg-1000kg Career Henan Chemical Co
2,2,4,4-Tetramethyl-2,4-disilapentane Di(trimethylsilyl)methane 2,4-Disilapentane, 2,2,4,4-tetramethyl- 2,4-disilapentane,2,2,4,4-tetramethyl- bis(trimethylsilanyl)-methane methylenebis[trimethyl-silan Silane, methylenebis*trimethyl- silane,methylenebis[trimethyl]- Trimethyl[(trimethylsilyl)methyl]silane BIS(TRIMETHYLSILYL)METHANE METHYLENEBIS(TRIMETHYLSILANE) Bis(trimethylsilyl)methane,97% Bis(trimethylsilyl)methane > Silane, 1,1'-methylenebis[1,1,1-trimethyl- rimethyl(trimethylsilylmethyl)silane DK210 2117-28-4 CH33SiCH2SiCH33 C7H20Si2 CH33Si2CH2 Si (Classes of Silicon Compounds) Organosilicon Others Organometallic Reagents Silicon Compounds (for Synthesis) Si-(C)4 Compounds organosilicon compounds Industrial/Fine Chemicals Si (Classes of Silicon Compounds) Si-(C)4 Compounds Silicon Compounds (for Synthesis) Synthetic Organic Chemistry