L-Histidine CAS NO.71-00-1

L-Histidine Basic information

Product Name:    L-Histidine
Synonyms:    (s)-1h-imidazole-4-alanin;(s)-1h-imidazole-4-propanoicaci;(s)-4-(2-amino-2-carboxyethyl)imidazole;(s)-alpha-amino-1h-imidazole-4-propanoicacid;1H-Imidazole-4-propanoic acid, alpha-amino-, (S)-;3-(1h-imidazol-4-yl)-l-alanin;4-(2-Amino-2-carboxyethyl)imidazole;L-HISTIDINE BASE
CAS:    71-00-1
MF:    C6H9N3O2
MW:    155.15
EINECS:    200-745-3
Product Categories:    
Mol File:    71-00-1.mol
 

L-Histidine Chemical Properties
Melting point     282 °C (dec.)(lit.)
alpha     12.4 º (c=11,6N HCl)
Boiling point     278.95°C (rough estimate)
density     1.3092 (rough estimate)
FEMA     3694 | L-HISTIDINE
refractive index     13 ° (C=11, 6mol/L HCl)
storage temp.     Store at RT.
solubility     H2O: 50 mg/mL
form     powder
pka    1.8(at 25℃)
color     White to off-white or pale yellow
PH    7.0-8.0 (25℃, 0.1M in H2O)
PH Range    7 - 8 at 15.5 g/l at 25 °C
optical activity    [α]20/D 39±1°, c = 2% in H2O
Water Solubility     41.6 g/L (25 ºC)
λmax    λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
JECFA Number    1431
Merck     14,4720
BRN     4673585
Stability:    Stable. Incompatible with strong oxidizing agents.
InChIKey    HNDVDQJCIGZPNO-YFKPBYRVSA-N
CAS DataBase Reference    71-00-1(CAS DataBase Reference)
NIST Chemistry Reference    L-Histidine(71-00-1)
EPA Substance Registry System    L-Histidine (71-00-1)

Safety Information
Hazard Codes     Xn
Risk Statements     22-36/37/38
Safety Statements     24/25-36/37-26-22
WGK Germany     2
RTECS     MS3070000
F     10-23
TSCA     Yes
HS Code     29332990
Hazardous Substances Data    71-00-1(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: > 5110 mg/kg