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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;di(trimethylsilicon)methane;methylenebis[trimethyl-silan;METHYLENEBIS(TRIMETHYLSILANE);bis(trimethylsilanyl)-methane;Bis(trimethylsilyl)methane,97%;Bis(trimethylsilyl)methane >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:2026-05-28 02:50:56

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
Specific Gravity 0.752
color colorless
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)  Flame (GHS02)Exclamation Mark (GHS07)
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(20)

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 2026-04-30 Buy
Strem Chemicals 14-1500 Bis(trimethylsilyl)methane, 97% 97% 2117-28-4 1g $47 2026-04-30 Buy
Strem Chemicals 14-1500 Bis(trimethylsilyl)methane, 97% 97% 2117-28-4 5g $187 2026-04-30 Buy
aablocks AA003O9Y Bis(trimethylsilyl)methane 98% 2117-28-4 250mg $8 2026-05-28 Buy
Product number Packaging Price Buy
282138 5g $504 Buy
B1857 10mL $166 Buy
14-1500 1g $47 Buy
14-1500 5g $187 Buy
AA003O9Y 250mg $8 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( 135)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55

View Lastest Price from Bis(trimethylsilyl)methane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methylenebis(trimethylsilane) pictures 2026-08-25 Methylenebis(trimethylsilane)
2117-28-4
$1.10-9.90 1kg 99%min 100kg ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
BIS(TRIMETHYLSILYL)METHANE pictures 2026-08-18 BIS(TRIMETHYLSILYL)METHANE
2117-28-4
1KG 95% 1000KG /month Shanghai Daken Advanced Materials Co.,Ltd
Bis(trimethylsilyl)methane pictures 2020-01-03 Bis(trimethylsilyl)methane
2117-28-4
$1.00 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 di(trimethylsilicon)methane 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