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L-Histidine

71-00-1

C6H9N3O2

155.15

(S)-2-Amino-3-(4-imidazolyl)propionic acid, NSC 137773

AJI/USP/EP

L Histidine
ProductSpecifications
L-HistidineAJI
L-HistidineUSP
L-HistidineEP

L-Histidine Properties

Melting point:
282 °C (dec.)(lit.)
alpha 
12.4 º (c=11,6N HCl)
refractive index 
13 ° (C=11, 6mol/L HCl)
FEMA 
3694 | L-HISTIDINE
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)
Water Solubility 
41.6 g/L (25 ºC)
Merck 
14,4720
BRN 
4673585
Stability:
Stable. Incompatible with strong oxidizing agents.
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

Hazard Codes Xn
Risk Statements 22-36/37/38
Safety Statements 24/25-36/37-26-22
WGK Germany 2
RTECS MS3070000
10-23
TSCA Yes
HS Code 29332990
Hazardous Substances Data71-00-1(Hazardous Substances Data)

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