H-Allo-Thr-OH

Modify Date: 2025-08-21 17:04:15

H-Allo-Thr-OH Structure
H-Allo-Thr-OH structure
 Common Name H-Allo-Thr-OH
CAS Number 28954-12-3 Molecular Weight 119.119
Density 1.3±0.1 g/cm3 Boiling Point 345.8±32.0 °C at 760 mmHg
Molecular Formula C4H9NO3 Melting Point 272ºC (dec.)
MSDS Chinese USA Flash Point 162.9±25.1 °C

 Names

Name L-allothreonine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 345.8±32.0 °C at 760 mmHg
Melting Point 272ºC (dec.)
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
Storage condition 2~8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BA4055000
CHEMICAL NAME :
Allothreonine, L-
CAS REGISTRY NUMBER :
28954-12-3
BEILSTEIN REFERENCE NO. :
1721645
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C4-H9-N-O3
MOLECULAR WEIGHT :
119.14
WISWESSER LINE NOTATION :
QVYZYQ1 -L,ALLO

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 :
5242 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: 58,253,1955

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS BA4055000
HS Code 2922509090

 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%

 Synonyms

(2S,3S)-2-Amino-3-hydroxybutyric acid
Threonine, allo-
L(+)-allo-Threonine
allo-L-Threonine
Allo-Thr-OH
L-allo-Threonine
MFCD00237373
DL-allo-Threonine
H-allo-Thr-OH
EINECS 249-327-2
(2S,3S)-2-Amino-3-hydroxybutanoic acid
allo-threonine
L-Allothreonine
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