China (Mainland)
Assessedsupplier 
L-Threonine CAS NO.72-19-5
- Min.Order: 1 Gram
- Payment Terms: T/T,MoneyGram,Other
- Product Details
Keywords
- L-Threonine
- 72-19-5
- 99% purity
Quick Details
- ProName: L-Threonine
- CasNo: 72-19-5
- Molecular Formula: C4H9NO3
- Appearance: Yellow powder
- Application: intermediate
- DeliveryTime: large stock
- PackAge: According to the need to packing
- Port: Shanghai
- ProductionCapacity: 100 Kilogram/Month
- Purity: 99% purity
- Storage: sealed,dry,low temperature
- Transportation: air,sea and courier
- LimitNum: 1 Gram
- Grade: Industrial Grade,Pharma Grade,Electron...
Superiority
L-Threonine Basic information
Product Name: L-Threonine
Synonyms: L-2-AMINO-3-HYDROXYBUTANOIC ACID;L-2-AMINO-3-HYDROXYBUTYRIC ACID;L-THR;L(-)-THREONINE;L-THREONINE;H-L-THR-OH;H-THR-OH;H-THR-OH-THREONINE
CAS: 72-19-5
MF: C4H9NO3
MW: 119.12
EINECS: 200-774-1
Product Categories:
Mol File: 72-19-5.mol
Details
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