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8.16005

Sigma-Aldrich

(S)-(+)-Histidine hydrochloride monohydrate

for synthesis

Synonym(s):
L-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride, L-Histidine monohydrochloride monohydrate, His
Empirical Formula (Hill Notation):
C6H9N3O2 · HCl · H2O
CAS Number:
Molecular Weight:
209.63
Beilstein:
4168261
MDL number:
EC Index Number:
211-438-9

Quality Level

vapor pressure

<1 hPa ( 20 °C)

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

Related Categories

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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