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L-carnitine Structure

L-carnitine

Chemical Properties

Melting point 197-212 °C(lit.)
Boiling point 287.5°C (rough estimate)
alpha  -31 º (c=10, H2O)
Density  0.64 g/cm3
refractive index  -32 ° (C=1, H2O)
storage temp.  Store below +30°C.
solubility  H2O: 0.1 g/mL at 20 °C, clear, colorless
form  Crystals or Crystalline Powder
pka 3.80(at 25℃)
color  White
PH 6.5-8.5 (50g/l, H2O)
Water Solubility  2500 g/L (20 ºC)
Merck  14,1849
BRN  4292315
Stability Hygroscopic
InChIKey PHIQHXFUZVPYII-ZCFIWIBFSA-N
LogP -5.48 at 20℃
CAS DataBase Reference 541-15-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) L-CARNITINE
NCI Dictionary of Cancer Terms carnitine; Carnitor; L-carnitine
FDA UNII 0G389FZZ9M
NCI Drug Dictionary Carnitor

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362+P364-P403+P233-P501c
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  BP2980000
3-10
Autoignition Temperature >365 °C
Hazard Note  Irritant
HS Code  29239000
Hazardous Substances Data 541-15-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 5000 mg/kg
NFPA 704:
1
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