L-Threonine
Suppliers
Names
[ CAS No. ]:
72-19-5
[ Name ]:
L-Threonine
[Synonym ]:
EINECS 200-774-1
L-Tlhreonine
H-THR-OH
L-Threonine (JP15)
(2S,3R)-(-)-Threonine
L-α-Amino-β-hydroxybutyric acid
L-Threonine
2-Amino-3-hydroxybutanoic acid, (R-(R*,S*))-
UNII:TFM6DU5S6A
H-L-THR-OH
MFCD00063722
THR
(R-(R*,S*))-2-Amino-3-hydroxybutanoic acid
L-2-Amino-3-hydroxybutyric acid
Threonine
(2S,3R)-Threonine
[R-(R*,S*)]-2-Amino-3-hydroxybutanoic acid
MFCD00064270
(2S,3R)-2-Amino-3-hydroxybutyric acid
Butanoic acid, 2-amino-3-hydroxy-, (R-(R*,S*))-
QY1&YZVQ &&L or (2S,3R)- Form
(s)-threonine
l-threonin
(2S,3R)-2-Amino-3-hydroxybutanoic acid
l-Thr
Threonin
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
[ Boiling Point ]:
345.8±32.0 °C at 760 mmHg
[ Melting Point ]:
255ºC
[ Molecular Formula ]:
C4H9NO3
[ Molecular Weight ]:
119.119
[ Flash Point ]:
162.9±25.1 °C
[ Exact Mass ]:
119.058243
[ PSA ]:
83.55000
[ LogP ]:
-1.23
[ Vapour Pressure ]:
0.0±1.7 mmHg at 25°C
[ Index of Refraction ]:
1.507
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- XO8590000
- CHEMICAL NAME :
- Threonine, L-
- CAS REGISTRY NUMBER :
- 72-19-5
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 5
- MOLECULAR FORMULA :
- C4-H9-N-O3
- MOLECULAR WEIGHT :
- 119.14
- WISWESSER LINE NOTATION :
- QY1&YZVQ -L
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3098 mg/kg
- TOXIC EFFECTS :
- Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Human Lymphocyte
- DOSE/DURATION :
- 10 mg/L
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 372,75,1996 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81868 No. of Facilities: 53 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 750 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81868 No. of Facilities: 787 (estimated) No. of Industries: 3 No. of Occupations: 13 No. of Employees: 18524 (estimated) No. of Female Employees: 13980 (estimated)
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
36/37/38
[ Safety Phrases ]:
S24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
XO8590000
[ HS Code ]:
29225000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2922509090
[ Summary ]:
2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
Articles
J. Chromatogr. A. 1361 , 265-76, (2014)
This study investigates the potential of a parallel dual secondary column-dual detection two-dimensional comprehensive GC platform (GC×2GC-MS/FID) for metabolic profiling and fingerprinting of mouse u...
Food Chem. 166 , 301-8, (2014)
Sodium chloride has been shown to promote chlorination of glycerol during thermal processing. However, the detailed mechanism of this reaction is not well understood. Preliminary experiments have indi...
J. Biol. Inorg. Chem. 20(1) , 61-75, (2015)
Serine/threonine protein phosphatases have been described in many pathogenic bacteria as essential enzymes involved in phosphorylation-dependent signal transduction pathways and frequently associated ...