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Key Documents

668885

Sigma-Aldrich

Bis(tert-butylimino)bis(dimethylamino)tungsten(VI)

packaged for use in deposition systems

Synonym(s):

BTBMW

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About This Item

Linear Formula:
((CH3)3CN)2W(N(CH3)2)2
CAS Number:
Molecular Weight:
414.23
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.23

assay

99.99% (trace metals analysis)

form

liquid

reaction suitability

core: tungsten

bp

81 °C/0.02 mmHg (lit.)

density

1.305 g/mL at 25 °C (lit.)

SMILES string

CN(C)[W](=NC(C)(C)C)(=NC(C)(C)C)N(C)C

InChI

1S/2C4H9N.2C2H6N.W/c2*1-4(2,3)5;2*1-3-2;/h2*1-3H3;2*1-2H3;/q;;2*-1;+2

InChI key

JVCWKXBYGCJHDF-UHFFFAOYSA-N

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General description

Atomic number of base material: 74 Tungsten

Application

Precursor for the deposition of tungsten carbide[1] and -nitride[2] by atomic layer deposition.

pictograms

FlameCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Water-react 1

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk_germany

WGK 3

flash_point_f

77.9 °F - closed cup - (own results)

flash_point_c

25.5 °C - closed cup - (own results)

ppe

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


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Questions

  1. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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