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Merck
CN

H4875

Hexamethyldisilazane

Synonym(s):

HMDS

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About This Item

Linear Formula:
(CH3)3SiNHSi(CH3)3
CAS Number:
999-97-3
Molecular Weight:
161.39
EC Number:
213-668-5
UNSPSC Code:
12352300
PubChem Substance ID:
329815211
Beilstein/REAXYS Number:
635752
MDL number:
MFCD00008259

Key Documents

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InChI key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

InChI

1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3

SMILES string

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

assay

≥97% (GC)

form

liquid

refractive index

n20/D 1.407 (lit.)

bp

125 °C (lit.)

storage temp.

2-8°C

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Application

A reagent for the preparation of trimethylsilyl derivatives.

pictograms

FlameSkull and crossbones
GHS02,GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

52.5 °F - closed cup

flash_point_c

11.4 °C - closed cup

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
089K1677
030K0949
S72097-498
S67712-438
039K1393

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