8.18132

2,2,6,6-Tetramethylpiperidine

for synthesis

• Synonym(s): 2,2,6,6-Tetramethylpiperidine
• Empirical Formula (Hill Notation): C₉H₁₉N
• CAS Number: 768-66-1
• Molecular Weight: 141.25
• MDL number: MFCD00005985
• UNSPSC Code: 12352005
• EC Index Number: 212-199-3
• NACRES: NA.22

Properties

• vapor pressure: 14 hPa ( 39 °C)
• Quality Level: 200
• Assay: ≥97.0% (GC)
• form: liquid
• autoignition temp.: 290 °C
• potency: 500 mg/kg LD₅₀, oral (Rat)
• mp: -59 °C
• transition temp: flash point 37 °C
• solubility: 25.9 g/L
• density: 0.83 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C9H19N/c1-8(2)6-5-7-9(3,4)10-8/h10H,5-7H2,1-4H3
• InChI key: RKMGAJGJIURJSJ-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.830 - 0.834
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• Pictograms: GHS02,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H226 - H290 - H302 - H314 - H335
• Precautionary Statements: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Corr. 1A - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 98.6 °F
• Flash Point(C): 37 °C