Merck
All Photos(1)

8.40130

Sigma-Aldrich

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl

(free radical) for synthesis

Synonym(s):
4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl, 4-Hydroxy-TEMPO
Empirical Formula (Hill Notation):
C9H18NO2
CAS Number:
Molecular Weight:
172.24
Numéro MDL:
Numéro de classement EC:
218-760-9

Niveau de qualité

200

Pression de vapeur

<0.01 hPa ( 20 °C)

Essai/Dosage

≥95.0% (GC)

Forme

crystals

Température d'inflammation spontanée

260 °C (DIN 51794)

Puissance

1053 mg/kg LD50, oral (Rat)

pH

8.2 (20 °C, 20 g/L in H2O)

Pf

67-71 °C

Temp. de transition

flash point 146 °C (DIN 51758)

Solubilité

1670 g/L

Temp. de stockage

2-30°C

InChI

1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3

InChI key

UZFMOKQJFYMBGY-UHFFFAOYSA-N

Remarque sur l'analyse

Assay (GC, area%): ≥ 95.0 % (a/a)
Melting range (lower value): ≥ 67 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

Pictograms

CorrosionExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Acute Tox. 4 Oral - Eye Dam. 1

Code de la classe de stockage

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

294.8 °F - DIN 51758

Point d'éclair C

146 °C - DIN 51758

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