1,1,3,3-Tetramethyldisiloxane

1,1,3,3-Tetramethyldisiloxane price More Price(11)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	235733	1,1,3,3-Tetramethyldisiloxane 97%	3277-26-7	25g	$28.2	2021-03-22	Buy
Sigma-Aldrich	8.18414	1,1,3,3-Tetramethyldisiloxane for synthesis		25 mL	$76.68	2021-03-22	Buy
Sigma-Aldrich	235733	1,1,3,3-Tetramethyldisiloxane 97%	3277-26-7	100g	$85.5	2021-03-22	Buy
TCI Chemical	T1437	1,1,3,3-Tetramethyldisiloxane >97.0%(GC)	3277-26-7	25mL	$21	2021-03-22	Buy
TCI Chemical	T1437	1,1,3,3-Tetramethyldisiloxane >97.0%(GC)	3277-26-7	250mL	$119	2021-03-22	Buy

1,1,3,3-Tetramethyldisiloxane Chemical Properties,Uses,Production

Description

1,1,3,3-Tetramethyldisiloxane is soluble in many organic solvents, such as aromatic hydrocarbon and petroleum hydrocarbons, and so on. This product is a kind of widely used organic silicon intermediates, and usually be used as organic silicon blocking agent. Due to containing reactive Si-H groups in the molecular structure, it can be used in the synthesis of copolymer macromolecule by hydrosilylation. The synthesis of copolymer macromolecule can be made into a series of reactive silicone oil.

Chemical Properties

Colorless or yellowish transparent liquid

Uses

1. Synthesis of polysiloxane containing faculties end groups.
2. Can be used for the preparation of high performance organic silicone surfactants.
3. Applicable to the production of many products, such as addition silicon rubber, silica gel, Hydrogenpolysiloxane and plastic, resin modifier, dendrite polymer special additives, etc.

Uses

1, 1, 3, 3-Tetramethyldisiloxane is a kind of siloxane derivative, and can be used as a monomer for the preparation of silicone polymers or silicone resins. It is used as an intermediate for preparing other organosilicon compounds. It is also used in non-aqueous polymer preparation as well as a laboratory reagent. In organic synthesis, it finds an application as an effective reducing agent in platinum-catalyzed reduction of carboxamides to amines as well as in the Au/TiO2-catalyzed hydrosilylation of carbonyl compounds (e.g., reduction of aldehydes or ketones) relative to monohydrosilanes. It can also enable a direct bromination of carboxylic acids in the presence of indium bromide (InBr3) as catalyst.

Purification Methods

1,Possible impurity is 1,1,5,5-tetramethyl-3-trimethylsiloxytrisiloxane b 154-155o/733mm. Fractionate it, collect fractions boiling below 80o and re-fractionate it. Its purity can be analysed by alkaline hydrolysis and measuring the volume of H2 liberated followed by gravimetric estimation of silica in the hydrolysate. It is unchanged when stored in glass containers in the absence of moisture for 2-3 weeks. Small amounts of H2 are liberated on long storage. Care should be taken when opening a container due to pressure developed. [Speier et al. J Am Chem Soc 79 974 1958, Emeléus & Smythe J Chem Soc 609 1958, IR: Kriegsmann Z Anorg Chem 299 78 1959, Beilstein 4 IV 3991.]

References

https://www.alfa.com/en/catalog/B23697/
http://www.organic-chemistry.org/chemicals/reductions/tetramethyldisiloxane-TMDSO.shtm
https://www.infona.pl/resource/bwmeta1.element.elsevier-722236cc-df38-37aa-bbed-029ec07d525f

1,1,3,3-Tetramethyldisiloxane Preparation Products And Raw materials

Raw materials

Preparation Products

1,1,3,3-Tetramethyldisiloxane Suppliers

Supplier	Tel	Fax	Email	Country	ProdList	Advantage
Jiangxi New jiayi New Materials Co., Ltd.	15988280056	0792-3170903	info@xjysi.com; mina@xjysi.com	CHINA	27	55
Kingfirst chemical (nanjing) co.,ltd	86-25-84522992	86-25-84774616 or 1617	marketing@kingfirstchem.com	CHINA	95	58
Hubei Co-Formula Material Tech Co., Ltd.	+86-27-84459282	+86-27-84459282	sales@cfmats.com	CHINA	882	58
SIMAGCHEM CORP	13806087780 +86 13806087780		shaobowang@simagchem.com	CHINA	17851	58
Capot Chemical Co.,Ltd.	+86（0）13336195806 +86-571-85586718	+86-571-85864795	sales@capotchem.com	China	20010	60
Henan DaKen Chemical CO.,LTD.	+86-371-55531817		info@dakenchem.com	CHINA	21259	58
Hangzhou Bayee Chemical Co., Ltd.	0086-571-86990109	0086-571-85775919	rachelhoo@bayeechem.com	China	105	55
Henan Tianfu Chemical Co.,Ltd.	0371-55170693	0371-55170693	info@tianfuchem.com	CHINA	22607	55
Shanghai Time Chemicals CO., Ltd.	+8618017249410 +86-021-57951555	+86-021-57951555	jack.li@time-chemicals.com	CHINA	1365	55
Hangzhou FandaChem Co.,Ltd.	008615858145714	+86-571-56059825	fandachem@gmail.com	CHINA	8875	55

3277-26-7(1,1,3,3-Tetramethyldisiloxane)Related Search:

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