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Safety Information

235083

Sigma-Aldrich

Sodium bis(trimethylsilyl)amide

95%

Synonym(s):

Hexamethyldisilazane sodium salt

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About This Item

Linear Formula:
[(CH3)3Si]2NNa
CAS Number:
1070-89-9
Molecular Weight:
183.37
Beilstein:
3629917
EC Number:
213-983-8
MDL number:
MFCD00009835
UNSPSC Code:
12352111
PubChem Substance ID:
24854078
NACRES:
NA.22

Quality Level

100

Assay

95%

mp

171-175 °C (lit.)

SMILES string

C[Si](C)(C)N([Na])[Si](C)(C)C

InChI

1S/C6H18NSi2.Na/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1

InChI key

WRIKHQLVHPKCJU-UHFFFAOYSA-N

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Application

Useful for the generation of carbenes, the amination of sulfenamides, and the preparation of lanthanide complexes.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Skin Corr. 1B

Supplementary Hazards

EUH014

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

235083-5G:
235083-VAR:
235083-100G:
235083-25G:
235083-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR5633
SHBQ7107
SHBP7472
SHBP7471
SHBH8688

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Angewandte Chemie (International Edition in English), 32, 1208-1208 (1993)
Journal of the Chemical Society. Perkin Transactions 1, 1923-1923 (1992)
Journal of the American Chemical Society, 116, 7637-7637 (1994)
Juliana Tsz Yan Lee et al.
Scanning, 34(1), 12-25 (2012-04-26)
Common dehydration methods of cells on biomaterials for scanning electron microscopy (SEM) include air drying, hexamethyldisilazane (HMDS) or tetramethysilane (TMS) treatment and critical point drying (CPD). On the other side, freeze-drying has been widely employed in dehydrating biological samples and
Haoyu Tang et al.
Biomacromolecules, 11(6), 1585-1592 (2010-05-15)
A series of poly(gamma-chloropropyl-L-glutamate) (PCPLG) with controlled polymer molecular weight (MW = 5-28 kg x mol(-1)) and molecular weight distribution (PDI = 1.16-1.26) have been prepared from hexamethyldisilazane (HMDS)-mediated ring-opening polymerization (ROP) of gamma-chloropropyl-L-glutamic acid based N-carboxylanhydride (CP-NCA). CD, FTIR
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