D-(+)-Threonine

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Names

[ CAS No. ]:
632-20-2

[ Name ]:
D-(+)-Threonine

[Synonym ]:
D(-)-allo-Threonine
D-allo-Threonine
H-D-Thr-OH
D-α-Amino-β-hydroxybutyric acid
H-D-ALLO-THR-OH
EINECS 200-774-1
(2R,3R)-2-Amino-3-hydroxybutanoic acid
EINECS 211-171-8
DL-Allo-Threonine
d-allothreonin
2-amino-3-hydroxybutanoic acid
D-2-Amino-3-hydroxybutyric acid
Threonine
allo-D-Threonine
Threonine,D
(2R,3R)-2-Amino-3-hydroxybutyric acid
DL-allo-Threonine (contains Threonine)
D-Threonine
Threonine, D-
(2R,3S)-2-Amino-3-hydroxybutanoic acid
D-Allothreonine
allothreonine
MFCD00064269
(2R,3S)-2-Amino-3-hydroxybutyric acid
QY1&YZVQ &&D- or (2R,3S)- Form
DL-Allothreonine (contains Threonine)

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
345.8±32.0 °C at 760 mmHg

[ Melting Point ]:
274ºC

[ 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

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XO8580000

CHEMICAL NAME :: Threonine, D-

CAS REGISTRY NUMBER :: 632-20-2

BEILSTEIN REFERENCE NO. :: 1721643

LAST UPDATED :: 199707

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H9-N-O3

MOLECULAR WEIGHT :: 119.14

WISWESSER LINE NOTATION :: QY1&YZVQ -D

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 :: 5361 mg/kg

TOXIC EFFECTS :: Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease

REFERENCE :: ABBIA4 Archives of Biochemistry and Biophysics. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.31- 1951- Volume(issue)/page/year: 64,319,1956

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
XO8580000

[ HS Code ]:
2922509090

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%

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