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Key Documents

8.18727

Sigma-Aldrich

N,O-Bis(trimethylsilyl)acetamide

for synthesis

Synonym(s):

N,O-Bis(trimethylsilyl)acetamide, BSA

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About This Item

Linear Formula:
CH3C[NSi(CH3)3]OSi(CH3)3
CAS Number:
Molecular Weight:
203.43
MDL number:
UNSPSC Code:
12352103
EC Index Number:
233-892-7
NACRES:
NA.22

vapor pressure

10 hPa ( 50 °C)

Quality Level

Assay

≥95.0% (GC)

form

liquid

potency

1580 mg/kg LD50, oral (Rat)

bp

43 °C/11 hPa

transition temp

flash point 40 °C

density

0.83 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C8H21NOSi2/c1-8(9-11(2,3)4)10-12(5,6)7/h1-7H3

InChI key

SIOVKLKJSOKLIF-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.830 - 0.835
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Flam. Liq. 3 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

111.2 °F - closed cup

Flash Point(C)

44 °C - closed cup


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