L-Histidine

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)
bulk density :430kg/m3
refractive index :13 ° (C=11, 6mol/L HCl)
FEMA :3694 | L-HISTIDINE
storage temp. :2-8°C
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
Odor :odorless
Odor Type :odorless
biological source :non-animal source
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 Merck :14,4720
JECFA Number :1431
BRN :4673585
Stability :Stable. Incompatible with strong oxidizing agents.
Major Application :detection
Cosmetics Ingredients Functions :SKIN CONDITIONING
ANTISTATIC
HUMECTANT InChI :1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
InChIKey :HNDVDQJCIGZPNO-YFKPBYRVSA-N
SMILES :N[C@@H](Cc1c[nH]cn1)C(O)=O
LogP :-1.27
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)
CAS Number Unlabeled :71-00-1

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.