Basic information
- CAS
1007-42-7- Standard SMILES
Cl.N[C@@H](Cc1cnc[nH]1)C(=O)O- InChIKey
QZNNVYOVQUKYSC-JEDNCBNOSA-N- Molecular formula
- C6H9N3O2.ClH
- Average molar mass
- 191.61 g/mol
- Monoisotopic mass
- 191.0461543
Names & identifiers
- Preferred name
- Histidine Monohydrochloride
- IUPAC
- (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydrochloride
- English name
- Histidine hydrochloride
- Molecular weight
- 0
Names & synonyms
L-Histidine hydrochloride645-35-21007-42-7Histidine monohydrochlorideHistidine HClL-Histidine, monohydrochlorideHistidine hydrochlorideL-Histidine monohydrochloride(-)-Histidine monohydrochlorideL-Histidine hydrochloride (VAN)Histidine hydrochloride, L-Histidine hydrochloride (VAN)
Show more names
DTXSID3020700L-Histidine, hydrochloride (1:1)EINECS 211-438-9NSC 257867PHOTONYLHistidine monohydrochloride [NF]AI3-184731D5Q932XM6
Database identifiers
- CAS
1007-42-7、56272-24-3、645-35-2、6459-59-2- PubChem CID
- 66091
- DTXSID
DTXSID3020700- ChEMBL
CHEMBL1256578- UNII
- 1D5Q932XM6
- EC Number
- 211-438-9、213-754-2
Properties
Computed structural properties
- Topological polar surface area
- 92 Ų
- Hydrogen bond donors
- 4
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 3
- Heavy atoms
- 12
- Formal charge
- 0
- Complexity
- 151
Experimental & physicochemical properties
Chemical Classes
Biological Agents -> Amino Acids and Derivatives
Biological Agents -> Amino Acids and Derivatives
Cosmetics
Cosmetic ingredients (Histidine HCl) -> CIR (Cosmetic Ingredient Review)
Antioxidant; Reducing
Physical Description
Fine white crystals; [Sigma-Aldrich MSDS]
645-35-2: Solid; [Sigma-Aldrich MSDS] 7048-02-4: Monohydrate: White crystalline solid; [Alfa Aesar MSDS]
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 99.3% (142 of 143) of all reports.
Not Classified
Aggregated GHS information provided per 143 reports by companies from 2 notifications to the ECHA C&L Inventory.
Not Classified
Hazard information
Regulatory Information
Chemical: L-Histidine, monohydrochloride
Chemical: DL-Histidine, hydrochloride
REACH registered substance: L-histidine monohydrochloride (EC: 211-438-9)
L-Histidine, monohydrochloride: Does not have an individual approval but may be used under an appropriate group standard
Other Safety Information
IMAP assessments - DL-Histidine, hydrochloride: Environment tier I assessment
IMAP assessments - L-Histidine, monohydrochloride: Environment tier I assessment
Hazards Summary
May cause irritation; [Sigma-Aldrich MSDS]
May cause irritation; [Sigma-Aldrich MSDS]
Hazard Classes and Categories
Not Classified
Not Classified
Toxicology
Toxicity SummarySafe in the present practices of use and concentration. Ingredient, concentration, and use information are available in documents discoverable at https://cir-reports.cir-safety.org
Chemistry & industry
Uses & manufacturing
Uses
CIR ingredient: Histidine HCl
Histidine is an essential amino acid; [Merck Index]
An essential amino acid; [Merck Index]
Use ClassificationCosmetics -> Antioxidant; Reducing
General Manufacturing Information
L-Histidine, hydrochloride (1:1): ACTIVE
Histidine, hydrochloride (1:1): ACTIVE
Related reactions
0 records
No reaction records under the current filter.
Compound notes
Loading…