283134
Hexamethyldisilathiane
synthesis grade
Synonym(s):
(TMS)2S, HMDS, Bis(trimethylsilyl) sulfide, NSC 252160
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About This Item
Linear Formula:
(CH3)3SiSSi(CH3)3
CAS Number:
Molecular Weight:
178.44
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
222-201-4
Beilstein/REAXYS Number:
1698358
MDL number:
form
liquid
Quality Level
quality
synthesis grade
refractive index
n20/D 1.4586 (lit.)
bp
164 °C (lit.)
density
0.846 g/mL at 25 °C (lit.)
SMILES string
C[Si](C)(C)S[Si](C)(C)C
InChI
1S/C6H18SSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
InChI key
RLECCBFNWDXKPK-UHFFFAOYSA-N
Application
Hexamethyldisilathiane may be used in the bis-O-demethylation of dimethoxy aromatic compounds.
It may also be used as a sulfur source in the following conversion:
It may also be used as a sulfur source in the following conversion:
- Amides and lactams to their corresponding sulfur analogs.
- Allyl alcohols to diallyl sulfides.
- Transition metal halides to metal sulfides.
- Aryl iodides to diaryl sulfides.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 3
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
73.4 °F - closed cup
flash_point_c
23 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Counterattack reagents sodium trimethylsilanethiolate and hexamethyldisilathiane in the bis-O-demethylation of aryl methyl ethers.
Hwu JR
The Journal of Organic Chemistry, 55(24), 5987-5991 (1990)
Conversion of amides and lactams to thioamides and thiolactams using hexamethyldisilathiane.
Smith DC
The Journal of Organic Chemistry, 59(2), 348-354 (1994)
Copper-Catalyzed Production of Diaryl Sulfides Using Aryl Iodides and a Disilathiane.
Ogiwara Y
Synlett (2017)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 283134-25G | 04061838451903 |
| 283134-12KG | 04022536025759 |
| 283134-1G | 04061838451897 |
| 283134-500G | 04061838451910 |
| 283134-5G | 04061838451934 |