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Appearance:Yellow powder
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
L-Threonine Chemical Properties
Melting point 256 °C (dec.) (lit.)
alpha -28.4 º (c=6, H2O)
Boiling point 222.38°C (rough estimate)
density 1.3126 (rough estimate)
FEMA 4710 | L-THREONINE
refractive index -28 ° (C=6, H2O)
storage temp. Store at RT.
solubility H2O: 50 mg/mL
form powder
pka 2.09(at 25℃)
color Yellow
PH 5-6 (100g/l, H2O, 20℃)
optical activity [α]20/D 28.5±0.5°, c = 5% in H2O
Water Solubility 90 g/L (20 ºC)
JECFA Number 2119
Merck 14,9380
BRN 1721646
Stability: Stable. Incompatible with strong oxidizing agents.
InChIKey AYFVYJQAPQTCCC-GBXIJSLDSA-N
CAS DataBase Reference 72-19-5(CAS DataBase Reference)
NIST Chemistry Reference Threonine(72-19-5)
EPA Substance Registry System L-Threonine (72-19-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 24/25-37/39-26
WGK Germany 3
RTECS XO8590000
Hazard Note Irritant
TSCA Yes
HS Code 29225000
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