8.16005
(S)-(+)-Histidine hydrochloride monohydrate
for synthesis
Synonym(s):
L-Histidine monohydrochloride monohydrate, His, L-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride
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About This Item
Empirical Formula (Hill Notation):
C6H9N3O2 · HCl · H2O
CAS Number:
Molecular Weight:
209.63
UNSPSC Code:
12352107
NACRES:
NA.22
EC Index Number:
211-438-9
MDL number:
Beilstein/REAXYS Number:
4168261
vapor pressure
<1 hPa ( 20 °C)
Quality Level
form
crystals
pH
3.5-4.5 (20 °C, 100 g/L in H2O)
mp
254 °C (dec.) (lit.)
solubility
149.55 g/L
density
1.49 g/cm3 at 20 °C
bulk density
770 kg/m3
storage temp.
2-30°C
SMILES string
O.Cl.N[C@@H](Cc1c[nH]cn1)C(O)=O
InChI
1S/C6H9N3O2.ClH.H2O/c7-5(6(10)11)1-4-2-8-3-9-4;;/h2-3,5H,1,7H2,(H,8,9)(H,10,11);1H;1H2/t5-;;/m0../s1
InChI key
CMXXUDSWGMGYLZ-XRIGFGBMSA-N
Analysis Note
Assay (argentometric): ≥ 99.0 %
Spec. rotation [α²0/D (c=11 in HCl 6 mol/l): +8.5 - +9.5 °
Identity (IR): passes test
Spec. rotation [α²0/D (c=11 in HCl 6 mol/l): +8.5 - +9.5 °
Identity (IR): passes test
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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