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283134

Sigma-Aldrich

Hexamethyldisilathiane

synthesis grade

Sinonimo/i:

(TMS)2S, HMDS, Bis(trimethylsilyl) sulfide, NSC 252160

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1 G
CHF 30.90
5 G
CHF 133.00
25 G
CHF 483.00

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1 G
CHF 30.90
5 G
CHF 133.00
25 G
CHF 483.00

About This Item

Formula condensata:
(CH3)3SiSSi(CH3)3
Numero CAS:
Peso molecolare:
178.44
Beilstein:
1698358
Numero CE:
Numero MDL:
Codice UNSPSC:
12352103
ID PubChem:
NACRES:
NA.23

CHF 30.90


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Stato

liquid

Livello qualitativo

Qualità

synthesis grade

Indice di rifrazione

n20/D 1.4586 (lit.)

P. ebollizione

164 °C (lit.)

Densità

0.846 g/mL at 25 °C (lit.)

Stringa SMILE

C[Si](C)(C)S[Si](C)(C)C

InChI

1S/C6H18SSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
RLECCBFNWDXKPK-UHFFFAOYSA-N

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Applicazioni

Hexamethyldisilathiane may be used in the bis-O-demethylation of dimethoxy aromatic compounds.[1]
It may also be used as a sulfur source in the following conversion:
  • Amides and lactams to their corresponding sulfur analogs.[2]
  • Allyl alcohols to diallyl sulfides.[3]
  • Transition metal halides to metal sulfides.[4]
  • Aryl iodides to diaryl sulfides.[5]

Pittogrammi

FlameSkull and crossbones

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 3

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

73.4 °F - closed cup

Punto d’infiammabilità (°C)

23 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Certificati d'analisi (COA)

Lot/Batch Number

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I clienti hanno visto anche

Conversion of amides and lactams to thioamides and thiolactams using hexamethyldisilathiane.
Smith DC
The Journal of Organic Chemistry, 59(2), 348-354 (1994)
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)
The use of hexamethyldisilathiane for the synthesis of transition metal sulfides.
Carmalt CJ
Polyhedron, 22(9), 1255-1262 (2003)
Direct synthesis of diallyl sulfides from allyl alcohols and hexamethyldisilathiane.
Tsay SC
Tetrahedron, 49(40), 8969-8976 (1993)
Copper-Catalyzed Production of Diaryl Sulfides Using Aryl Iodides and a Disilathiane.
Ogiwara Y
Synlett (2017)

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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