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Bis(trimethylsilyl)sulfate

Bis(trimethylsilyl)sulfate structure

CAS No.: 18306-29-1

Chemical Name:: Bis(trimethylsilyl)sulfate

Synonyms: BIS(TRIMETHYLSILYL) SULFATE;BIS(TRIMETHYLSILYL)SULPHATE;Sulfuric acid, TMS;Bis(trimethylsilyl)sulfate,98%;Bis(trimethylsilyl) Sulfate >BIS(TRIMETHYLSILYL) SULFATE 97%;Silanol, trimethyl-, 1,1'-sulfate;Silanol, trimethyl-, sulfate (2:1);Bis(triMethylsilyl)sulfate, 98% 5GR;Sulfuric acid bis(trimethylsilyl) ester

CBNumber:: CB2195676

Molecular Formula:: C6H18O4SSi2

Molecular Weight:: 242.44

MDL Number:: MFCD00008268

MOL File:: 18306-29-1.mol

MSDS File:: SDS

Last updated:2025-09-25 17:15:13

Product description	Number	Pack Size	Price
Bis(trimethylsilyl) Sulfate >98.0%(T)	B1245	5g	$80
Bis(trimethylsilyl) Sulfate >98.0%(T)	B1245	25g	$216
Bis(trimethylsilyl) sulfate 98%	CD42000988	100g	$298
Bis(trimethylsilyl) Sulfate	B535250	5g	$140
Bis(trimethylsilyl) Sulfate 98%	JK222751	25g	$185
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Bis(trimethylsilyl)sulfate Properties

Melting point	41-44 °C(lit.)
Boiling point	87-90 °C4 mm Hg(lit.)
Density	1.041±0.06 g/cm3(Predicted)
Flash point	27 °F
storage temp.	Refrigerator (+4°C) + Flammables area
form	solid
Appearance	White to off-white Solid
Sensitive	Moisture Sensitive
InChI	InChI=1S/C6H18O4SSi2/c1-12(2,3)9-11(7,8)10-13(4,5)6/h1-6H3
InChIKey	KRUQDZRWZXUUAD-UHFFFAOYSA-N
SMILES	O([Si](C)(C)C)S(=O)(=O)O[Si](C)(C)C
CAS DataBase Reference	18306-29-1(CAS DataBase Reference)
FDA UNII	4K4D2P4A3D
NIST Chemistry Reference	Sulfuric acid, bis(trimethylsilyl)-(18306-29-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS05

Signal word

Danger

Hazard statements

H318-H228-H314

Precautionary statements

P210-P240-P241-P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P405-P501-P260h-P303+P361+P353-P305+P351+P338-P501a

Hazard Codes

F,C

Risk Statements

11-34

Safety Statements

16-26-36/37/39-45-9-33-25-20

RIDADR

UN 2925 4.1/PG 2

WGK Germany

3-10-21

HazardClass

4.1

PackingGroup

III

HS Code

29319090

Limited Quantities

5.0 Kg (11 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
3		0

Bis(trimethylsilyl)sulfate price More Price(17)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	B1245	Bis(trimethylsilyl) Sulfate >98.0%(T)	18306-29-1	5g	$80	2026-04-30	Buy
TCI Chemical	B1245	Bis(trimethylsilyl) Sulfate >98.0%(T)	18306-29-1	25g	$216	2026-04-30	Buy
Crysdot	CD42000988	Bis(trimethylsilyl) sulfate 98%	18306-29-1	100g	$298	2026-05-27	Buy
TRC	B535250	Bis(trimethylsilyl) Sulfate	18306-29-1	5g	$140	2021-12-16	Buy
Frontier Specialty Chemicals	JK222751	Bis(trimethylsilyl) Sulfate 98%	18306-29-1	25g	$185	2021-12-16	Buy

Product number	Packaging	Price	Buy
B1245	5g	$80	Buy
B1245	25g	$216	Buy
CD42000988	100g	$298	Buy
B535250	5g	$140	Buy
JK222751	25g	$185	Buy

Bis(trimethylsilyl)sulfate Chemical Properties,Uses,Production

Chemical Properties

beige to brownish low melting crystals and/or

Uses

Bis(trimethylsilyl) Sulfate is a reactant involved in the preparation of alkenylsilanes from organoaluminums.

Bis(trimethylsilyl)sulfate synthesis

Synthesis of Bis(trimethylsilyl)sulfate from Hexamethyldisiloxane

Bis(trimethylsilyl)sulfate Preparation Products And Raw materials

Raw materials

Silane, [(1,2-dimethyl-1-propen-1-yl)oxy]trimethyl- BIS(TRIMETHYLSILYL)PEROXIDE N,N-Bis(trimethylsilyl)acetamide TRIMETHYLSILYLBENZENESULFONATE Heptamethyldisilazane

S-METHYL 4-METHYLBENZENETHIOSULFONATE Sulfuric acid Boric acid Allyltrimethylsilane Tris(trimethylsilyl) borate

Tetramethylsilane

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Preparation Products

CYANOGEN TRIMETHYLSILYL ISOTHIOCYANATE TRIMETHYLSILYL TRIFLUOROACETATE NONAMETHYLTRISILAZANE propene

Bis(trimethylsilyl)sulfate Suppliers

Global( 130)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	13901	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Baoji Guokang Healthchem Co., Ltd.	+86-0917-3909592 +86-13892490616	gksales1@gk-bio.com	China	9073	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20405	58
PT CHEM GROUP LIMITED	+86-85511178;	peter68@ptchemgroup.com	China	35425	58
ZHEJIANG JIUZHOU CHEM CO., LTD	+86-0576225566889 +86-13454675544	admin@jiuzhou-chem.com；jamie@jiuzhou-chem.com；alice@jiuzhou-chem.com	China	12272	58
ShenZhen Trendseen Biological Technology Co.,Ltd.	13417589054	trendseenbio@gmail.com	China	11681	58

Supplier	Advantage
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	58
Shanghai Daken Advanced Materials Co.,Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Baoji Guokang Healthchem Co., Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Alfa Chemistry	58
PT CHEM GROUP LIMITED	58
ZHEJIANG JIUZHOU CHEM CO., LTD	58
ShenZhen Trendseen Biological Technology Co.,Ltd.	58

View Lastest Price from Bis(trimethylsilyl)sulfate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-17	Bis(trimethylsilyl) sulfate 18306-29-1	US $3.00-9.00 / KG	0.1KG	99%	g-kg-tons, free sample is available	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2025-12-01	Bis(trimethylsilyl)sulfate 18306-29-1	US $0.00-0.00 / KG	1KG	98.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2021-07-13	Bis(trimethylsilyl)sulfate 18306-29-1	US $15.00-10.00 / KG	1KG	99%+ HPLC	Monthly supply of 1 ton	Zhuozhou Wenxi import and Export Co., Ltd

Bis(trimethylsilyl) sulfate
18306-29-1
US $3.00-9.00 / KG
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Bis(trimethylsilyl)sulfate
18306-29-1
US $0.00-0.00 / KG
98.0%
Shaanxi Dideu New Materials Co. Ltd

Bis(trimethylsilyl)sulfate
18306-29-1
US $15.00-10.00 / KG
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Bis(trimethylsilyl)sulfate Spectrum

Bis(trimethylsilyl)sulfate(18306-29-1)IR1

18306-29-1(Bis(trimethylsilyl)sulfate)Related Search:

Olibanum oil Ammonium sulfate Methanesiliconic acid sodium salt N-(Trimethylsilyl)acetamide SULFURIC ACID-D2

Methyl propiolate Sodium sulfate Hexamethyldisilazane Methyl acrylate Tetrakis(hydroxymethyl)phosphonium sulfate

Dimethyl sulfate Barium sulfate BUTYL OLEATE Tris(trimethylsilyl)phosphate Aluminum sulfate

Trimethylsilylacetylene Magnesium sulfate heptahydrate Dimethyl succinate

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Bis(trimethylsilyl)sulfate,98% Bis(triMethylsilyl)sulfate, 98% 5GR Sulfuric acid, TMS BIS(TRIMETHYLSILYL) SULFATE BIS(TRIMETHYLSILYL)SULPHATE BIS(TRIMETHYLSILYL) SULFATE 97% Silanol, trimethyl-, sulfate (2:1) Sulfuric acid bis(trimethylsilyl) ester BSS, Sulfuric acid bis(trimethylsilyl)ester Bis(trimethylsilyl) Sulfate > Silanol, trimethyl-, 1,1'-sulfate 18306-29-1 C6H18O4S1Si2 CH33SiO2SO2 C6H18O4SSi2 Silyl Esters Si (Classes of Silicon Compounds) Si-O Compounds Silicon Compounds (for Synthesis) Building Blocks Sulfur Compounds Organic Building Blocks Organic Sulfates/Sulfites Si (Classes of Silicon Compounds) Silicon Compounds (for Synthesis) Silyl Esters Si-O Compounds Synthetic Organic Chemistry