l-Histidine.HCl

Modify Date: 2026-07-08 19:31:28

l-Histidine.HCl Structure
l-Histidine.HCl structure
Common Name l-Histidine.HCl
CAS Number 1007-42-7 Molecular Weight 191.615
Density N/A Boiling Point 458.9ºC/ at 760 mmHg
Molecular Formula C6H10ClN3O2 Melting Point 240-245 °C (dec.)
MSDS N/A Flash Point 231.3ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Boiling Point 458.9ºC/ at 760 mmHg
Melting Point 240-245 °C (dec.)
Molecular Formula C6H10ClN3O2
Molecular Weight 191.615
Flash Point 231.3ºC
Exact Mass 191.046158
PSA 92.00000
LogP 0.86640
Vapour Pressure 3.25E-09mmHg at 25°C
Storage condition 2-8°C

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
Safety Phrases S22-S24/25
RIDADR UN 1789 8/PG 3
WGK Germany 3
HS Code 2922499990

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  0

DownStream  1

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Histidine, hydrochloride (1:1)
(S)-2-AMINO-3-(1H-IMIDAZOL-4-YL)-PROPANOIC ACID DIHYDROCHLORIDE
L-Histidine, monohydrochloride
L-HISTIDINE HCL
L-HISTIDINE DI HCL
Histidine hydrochloride (VAN)
Histidine hydrochloride (1:1)
L-Histidine hydrochloride
EINECS 227-890-5
L-Histidine monohydrochloride/ L-Histidine dihydrochloride
L-histidine dihydrochloride
l-Histidine.HCl
L-HISTIDINE DIHYDROCHLORIDE CRYSTALLINE
L-Histidine hydrochloride (VAN)
(-)-HISTIDINE MONOHYDROCHLORIDE
Histidine, monohydrochloride
MFCD00066569

 l-Histidine.HCl | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Boiling point of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is 458.9ºC/ at 760 mmHg.
Q: What is the melting point of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Melting point of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is 240-245 °C (dec.).
Q: What is the CAS number of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: CAS number of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is 1007-42-7.
Q: What is the English name of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: The English name of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride.
Q: What is the molecular formula of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Molecular formula of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is C6H10ClN3O2.
Q: What is the safety information for (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Safety information for (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride: S22-S24/25.
Q: What is the molecular weight of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Molecular weight of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is 191.615.
Q: What are the storage conditions for (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Storage conditions for (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride: 2-8°C.
Q: What is the polar surface area (PSA) of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Polar surface area (PSA) of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride is 92.00000.
Q: What are the downstream products of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride?
A: Related downstream products(CAS) of (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid dihydrochloride: 4467-54-3.

 l-Histidine.HClfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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