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Key Documents

8.18026

Sigma-Aldrich

Trimethylsilyl azide

for synthesis

Synonym(s):

Trimethylsilyl azide, Azidotrimethylsilane

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About This Item

Linear Formula:
(CH3)3SiN3
CAS Number:
4648-54-8
Molecular Weight:
115.21
MDL number:
MFCD00001986
UNSPSC Code:
12352103
EC Index Number:
225-078-5
NACRES:
NA.22

Quality Level

200

Assay

≥90.0% (GC)

form

liquid

autoignition temp.

300 °C

transition temp

flash point 6 °C

density

0.87-0.88 g/cm3 at 20 °C

storage temp.

15-25°C

InChI

1S/C3H9N3Si/c1-7(2,3)6-5-4/h1-3H3

InChI key

SEDZOYHHAIAQIW-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 90.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.870 - 0.880
Identity (IR): passes test

Pictograms

FlameSkull and crossbones
GHS02,GHS06

Signal Word

Danger

Hazard Statements

H225 - H301 + H311 + H331

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

42.8 °F - closed cup

Flash Point(C)

6 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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