L-Histidine monohydrochloride monohydrate
SIGMA/53370 - ≥99.0% (AT)
Synonym: L-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride
CAS Number: 5934-29-2
Empirical Formula (Hill Notation): C6H9N3O2 · HCl · H2O
Molecular Weight: 209.63
MDL Number: MFCD00151027
Linear Formula: C6H9N3O2 · HCl · H2O
Product Type: Chemical
anion traces | sulfate (SO42-): ≤100 mg/kg |
assay | ≥99.0% (AT) |
cation traces | Ca: ≤10 mg/kg |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
K: ≤50 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Na: ≤50 mg/kg | |
NH4+: ≤500 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
form | solid |
impurities | ≤0.3% foreign amino acids |
InChI | 1S/C6H9N3O2.ClH.H2O/c7-5( |
InChI key | CMXXUDSWGMGYLZ-XRIGFGBMSA |
mp | 254 °C (dec.) (lit.) |
optical activity | [α]20/D +9.5±0.5°, c = 5% in 5 M HCl |
Quality Level | 100 |
SMILES string | O.Cl.N[C@@H](Cc1c[nH]cn1) |
solubility | H2O: 1 g/10 mL, clear, colorless (hot) |
Biochem/physiol Actions: | L-Histidine is biosynthesized from ATP, 5-phosphoribosyl-1-pyroph |
General description: | L-Histidine is a hydrophilic essential amino acid that has a basic sidechain containing an imidazole group. |
Symbol | GHS07 |
Signal word | Warning |
Hazard statements | H319 |
Precautionary statements | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (AT) |
mp | 254 °C (dec.) (lit.) |
UNSPSC | 12352209 |