Triethylenetetramine , StandardforGC , 112-24-3

Synonym(s):
DEH 24;EPH 925;N,N′-Bis(2-aminoethyl)-1,2-ethanediamine;TETA;Triethylenetetramine

CAS NO.：112-24-3

Empirical Formula: C6H18N4

Molecular Weight: 146.23

MDL number: MFCD00008169

EINECS: 203-950-6

PRODUCT Properties

• Melting point: 12 °C(lit.)
• Boiling point: 266-267 °C(lit.)
• Density: 0.982 g/mL at 25 °C(lit.)
• vapor density: ~5 (vs air)
• vapor pressure: <0.01 mm Hg ( 20 °C)
• refractive index: n20/D 1.496(lit.)
• Flash point: 290 °F
• storage temp.: Store below +30°C.
• solubility: alcohol: soluble
• form: Slightly viscous yellow liquid; commercially available form is 95–98% pure, and impurities include linear, branched, and cyclic isomers.
• pka: pK1:3.32(+4);pK2:6.67(+3);pK3:9.20(+2);pK4:9.92(+1) (20°C)
• color: Yellowish liquid or oil
• PH: 10-11 (10g/l, H2O, 20℃)
• explosive limit: 0.7-7.2%(V)
• Water Solubility: SOLUBLE
• FreezingPoint: 12℃
• Sensitive: Moisture Sensitive
• Merck: 14,9663
• BRN: 605448
• Exposure limits: ACGIH: TWA 1 ppm (Skin); NIOSH: TWA 1 ppm(4 mg/m3)
• Stability: Incompatible with strong oxidizing agents, strong acids.
• LogP: -2.65 at 20℃

Description and Uses

Cross sensitivity is possible with diethylenetriamine and diethylenediamine.

Triethylenetetramine is used in synthesis of detergents, softeners, and dyestuffs; manufacture of pharmaceuticals; vulcanization accelerator of rubber; thermo setting resin; epoxy curing agent; lubricating-oil additive; analytical reagent for Cu, Ni; chelating agent; treatment of Wilson's disease.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H312-H314-H317-H412
• Precautionary statements: P261-P272-P273-P280-P303+P361+P353-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 21-34-43-52/53
• Safety Statements: 26-36/37/39-45-61
• RIDADR: UN 2259 8/PG 2
• WGK Germany: 2
• RTECS: YE6650000
• Autoignition Temperature: 335 °C
• TSCA: Yes
• HazardClass: 8
• PackingGroup: II
• HS Code: 29212900
• Toxicity: LD50 orally in rats: 2.5 g/kg (Spitz)