Triethylene diamine , 98% , 280-57-9

Synonym(s):
1,4-Diazabicyclo[2.2.2]octane;Triethylenediamine;TED;TMEM28;Transmembrane protein

CAS NO.：280-57-9

Empirical Formula: C6H12N2

Molecular Weight: 112.17

MDL number: MFCD00006689

EINECS: 205-999-9

PRODUCT Properties

• Melting point: 156-159 °C(lit.)
• Boiling point: 174 °C
• Density: 1.02 g/mL
• vapor pressure: 2.9 mm Hg ( 50 °C)
• refractive index: n20/D 1.4634(lit.)
• Flash point: 198 °F
• storage temp.: Store below +30°C.
• solubility: 400g/l
• form: Hygroscopic Crystals
• pka: 3.0, 8.7(at 25℃)
• color: White to pale yellow
• Water Solubility: 46 g/100 mL (26 ºC)
• Sensitive: Hygroscopic
• Merck: 14,9669
• BRN: 103618
• Stability: Stable, but very hygroscopic. Incompatible with strong oxidizing agents, strong acids. Highly flammable.
• LogP: -0.49 at 20℃
• CAS DataBase Reference: 280-57-9(CAS DataBase Reference)
• NIST Chemistry Reference: Triethylenediamine(280-57-9)
• EPA Substance Registry System: 1,4-Diazabicyclo[2.2.2]octane (280-57-9)

Description and Uses

1,4-Diazabicyclo[2.2.2]octane is used as polyurethane catalyst, Balis-Hillman reaction catalyst complexing ligand and lewis base. It finds use in dye lasers and in mounting samples for fluorescence microscopy and as anti-fade reagent shown to scavenge free radicals due to flurochrome excitation of fluorochromes. Further, it is an oxidation and polymerization catalyst.

Safety

• Symbol(GHS): GHS02,GHS05,GHS07
• Signal word: Danger
• Hazard statements: H228-H302-H315-H318
• Precautionary statements: P210-P240-P280-P301+P312-P302+P352-P305+P351+P338
• Hazard Codes: Xn,F
• Risk Statements: 22-36/37/38-52/53-41-36/38-11
• Safety Statements: 26-60-37/39-3-16-36/37-61
• RIDADR: UN 1325 4.1/PG 2
• WGK Germany: 1
• RTECS: HM0354200
• F: 3
• Autoignition Temperature: 350 °C
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 29335920
• Hazardous Substances Data: 280-57-9(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: 700 mg/kg