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L-5-Hydroxytryptophan Structure

L-5-Hydroxytryptophan

Chemical Properties

Melting point 270 °C (dec.) (lit.)
alpha  -32.5 º (c=1,H2O on dry basis)
Boiling point 361.16°C (rough estimate)
Density  0.902 g/mL at 25 °C (lit.)
refractive index  n20/D 1.4850(lit.)
Flash point 175 °F
storage temp.  2-8°C
solubility  H2O: 10 mg/mL
pka 2.22±0.10(Predicted)
form  solid
color  white
optical activity [α]22/D 30°, c = 1 in H2O
Water Solubility  Slightly soluble
Merck  14,4847
BRN  88200
LogP -0.140 (est)
CAS DataBase Reference 4350-09-8(CAS DataBase Reference)
FDA UNII C1LJO185Q9
NCI Drug Dictionary oxitriptan
ATC code N06AX01
EPA Substance Registry System L-5-Hydroxytryptophan (4350-09-8)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301
Precautionary statements P301+P330+P331+P310
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38-65-20/21/22-20/21
Safety Statements  36-26
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  YN7110000
3-10
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29339990
NFPA 704:
1
2 0

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