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8.14681

Sigma-Aldrich

2,2,6,6-Tetramethylpiperidine-1-oxyl (free radical)

for synthesis

Synonym(s):

2,2,6,6-Tetramethylpiperidine-1-oxyl (free radical), Tempo

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About This Item

Empirical Formula (Hill Notation):
C9H18NO
CAS Number:
Molecular Weight:
156.25
MDL number:
UNSPSC Code:
12352119
EC Index Number:
219-888-8

vapor pressure

0.4 hPa ( 20 °C)

Quality Level

Assay

≥98.0% (GC)

form

powder

autoignition temp.

275 °C

reaction suitability

reagent type: oxidant

pH

8.3 (20 °C, 9 g/L in H2O)

mp

39-40 °C

transition temp

flash point 67 °C

solubility

9.7 g/L

density

0.912 g/cm3 at 40 °C

storage temp.

2-30°C

InChI

1S/C9H18NO/c1-8(2)6-5-7-9(3,4)10(8)11/h5-7H2,1-4H3

InChI key

QYTDEUPAUMOIOP-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1C

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

152.6 °F - closed cup

Flash Point(C)

67 °C - closed cup


Certificates of Analysis (COA)

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