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1,4-Bis(dimethylsilyl)benzene

1,4-Bis(dimethylsilyl)benzene structure

CAS No.: 2488-01-9

Chemical Name:: 1,4-Bis(dimethylsilyl)benzene

Synonyms: DK235;214773;DKFELEX0088;1,4-Bis(dimethyL;p-Bis(dimethysilyl)benzene;P-BIS(DIMETHYLSILYL)BENZENE;p-phenylenebis(dimethyl-silan;1,4-BIS(DIMETHYLSILYL)BENZENE;1,4-Phenylenbis[dimethylsilan;P-PHENYLENEBIS(DIMETHYLSILANE)

CBNumber:: CB5246168

Molecular Formula:: C10H18Si2

Molecular Weight:: 194.42

MDL Number:: MFCD00039790

MOL File:: 2488-01-9.mol

MSDS File:: SDS

Last updated:2024-09-09 15:50:23

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1,4-Bis(dimethylsilyl)benzene Properties

Melting point	115 °C
Boiling point	213-214 °C(lit.)
Density	0.874 g/mL at 25 °C(lit.)
refractive index	n20/D 1.502(lit.)
Flash point	185 °F
storage temp.	Inert atmosphere,Room Temperature
form	clear liquid
color	Colorless to Light yellow
Specific Gravity	0.872
Hydrolytic Sensitivity	3: reacts with aqueous base
BRN	1072658
InChI	InChI=1S/C10H18Si2/c1-11(2)9-5-7-10(8-6-9)12(3)4/h5-8,11-12H,1-4H3
InChIKey	KQERVIARWMHFOS-UHFFFAOYSA-N
SMILES	C1([SiH](C)C)=CC=C([SiH](C)C)C=C1
CAS DataBase Reference	2488-01-9(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	SA9PPD5NQK
NIST Chemistry Reference	1,4-Bis(dimethylsilyl)benzene(2488-01-9)
EPA Substance Registry System	Silane, 1,4-phenylenebis[dimethyl- (2488-01-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H227-H302-H313-H315-H319-H335

Precautionary statements

P210e-P261-P280a-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

Safety Statements

26-36/37/39-36/37-23

RIDADR

1993

WGK Germany

RTECS

VV4830000

TSCA

Yes

HS Code

29319000

NFPA 704

	2
2		0

1,4-Bis(dimethylsilyl)benzene price More Price(21)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	483192	1,4-Bis(dimethylsilyl)benzene 97%	2488-01-9	5ML	$193	2023-06-20	Buy
TCI Chemical	B4748	1,4-Bis(dimethylsilyl)benzene >98.0%(GC)	2488-01-9	5mL	$76	2024-03-01	Buy
TCI Chemical	B4748	1,4-Bis(dimethylsilyl)benzene >98.0%(GC)	2488-01-9	25mL	$226	2024-03-01	Buy
Chem-Impex	40491	1,4-Bis(dimethylsilyl)benzene,98%(GC) 98%(GC)	2488-01-9	25ML	$273.28	2021-12-16	Buy
Chem-Impex	40491	1,4-Bis(dimethylsilyl)benzene,≥98%(GC) ≥98%(GC)	2488-01-9	5ML	$73.38	2021-12-16	Buy

Product number	Packaging	Price	Buy
483192	5ML	$193	Buy
B4748	5mL	$76	Buy
B4748	25mL	$226	Buy
40491	25ML	$273.28	Buy
40491	5ML	$73.38	Buy

1,4-Bis(dimethylsilyl)benzene Chemical Properties,Uses,Production

Synthesis

In a 1000 mL reaction flask, Put in xylene 230g, Sodium metal 47g, TDA-1 0.37g, Warm up to 100110°C, Insulation 0.5h, and Turn on stirring. After stirring for 1 hour, all the sodium was made into sodium sand, and a Sodium sand mixture was formed. After 73.5 g of p-dichlorobenzene and 100 g of xylene were mixed and dissolved, Then add 96.5g of dimethylchlorosilane Formed a mixture; the mixture was added to a constant-pressure funnel. The liquid droplets in the constant pressure funnel are added to the sodium sand mixture. Dropping about 5h to complete, the reaction was completed by keeping it at 100-110°C for 2 hours. After the reaction, Cool the reaction system to 5-15°C. Then, add 280 mL of water from the constant pressure funnel. Stirring 1h, Stand for 1h, Then separate the lower brine phase, The upper organic phase is taken as the crude 1,4-bis (dimethylsilyl) benzene. The upper organic phase is entered into the distillation flask, and the temperature in the control bottle is below 120°C. Vacuum distillation,92 g of 1,4-Bis(dimethylsilyl)benzene was obtained; the yield is 95%.

1,4-Bis(dimethylsilyl)benzene synthesis

Synthesis of 1,4-Bis(dimethylsilyl)benzene from Chlorodimethylsilane and 1,4-Dichlorobenzene

1,4-Bis(dimethylsilyl)benzene Preparation Products And Raw materials

Raw materials

Chlorodimethylsilane 1,4-Dichlorobenzene 1,4-Dibromobenzene

Preparation Products

1,4-Bis(dimethylsilyl)benzene Suppliers

Global( 180)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	18775	58
Shanghai Zhuangming Biopharma Co., Ltd.	+86-19189228086 +86-18858568638	sales@zmsilane.com	China	641	58
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	32957	60
Zjartschem	+86-571 87238903	jocelynpan@zjarts.com	CHINA	988	58
Win-Win Chemical CO., Limited	0086-577-64498589	sales@win-winchemical.com	CHINA	998	58
Xi'an Kono chem co., Ltd.,	029-86107037 13289246953	info@konochemical.com	China	2993	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29811	58
Hubei Co-Formula Material Tech Co., Ltd.	+86-27-84459282	sales@cfmats.com	CHINA	882	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	+86-021-61551413 +8618813727289	contact@trustwe.com	China	5738	58
Neostar United (Changzhou) Industrial Co., Ltd.	+86-0519-85551759 +8613506123987	marketing1@neostarunited.com	China	8838	58

Supplier	Advantage
Shanghai Daken Advanced Materials Co.,Ltd	58
Shanghai Zhuangming Biopharma Co., Ltd.	58
ATK CHEMICAL COMPANY LIMITED	60
Zjartschem	58
Win-Win Chemical CO., Limited	58
Xi'an Kono chem co., Ltd.,	58
career henan chemical co	58
Hubei Co-Formula Material Tech Co., Ltd.	58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.	58
Neostar United (Changzhou) Industrial Co., Ltd.	58

View Lastest Price from 1,4-Bis(dimethylsilyl)benzene manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2022-07-15	1,4-Bis(dimethylsilyl)benzene 2488-01-9	US $0.00 / g	10g	98%	100kg	Zhengzhou Gecko Scientific Inc.
	2019-12-31	1,4-Bis(dimethylsilyl)benzene 2488-01-9	US $1.00 / KG	1KG	95-99%	1ton	Career Henan Chemical Co

1,4-Bis(dimethylsilyl)benzene
2488-01-9
US $0.00 / g
98%
Zhengzhou Gecko Scientific Inc.

1,4-Bis(dimethylsilyl)benzene
2488-01-9
US $1.00 / KG
95-99%
Career Henan Chemical Co

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1,4-phenylenebis(dimethyl-silan p-Bis(dimethysilyl)benzene p-phenylenebis(dimethyl-silan Silane, 1,4-phenylenebis[dimethyl- Silane, p-phenylenebis(dimethyl- 1,4-BIS(DIMETHYLSILYL)BENZENE 1,4 BIS(DIMETHYLSILYL)BENZENE MIN 1,4-phenylenebis[dimethylsilane] P-PHENYLENEBIS(DIMETHYLSILANE) P-BIS(DIMETHYLSILYL)BENZENE 1,4-Bis(dimethylsilyl)benzene, 97+% [4-(Dimethylsilyl)phenyl]dimethylsilane 214773 1,4-Phenylenbis[dimethylsilan 1,4-Bis(dimethyL Benzene, 1,4-bis(dimethylsilyl)- DK235 DKFELEX0088 2488-01-9 2488-1-9 C6H4SiHCH322 Organometallic Reagents Others Organosilicon