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L-Histidine Hydrochloride Monohydrate
(CAS RN:5934-29-2 Product Number:H0150)


L-Histidine Hydrochloride
Synonym H-His-OH·HCl Monohydrate

General Information

Product Number H0150

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C6H9N3O2·HCl·H2O=191.62(as Anhydrous)
CAS RN 5934-29-2
Related CAS RN
MDL Number MFCD00151027
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %
Specific rotation [a]20/D +8.9 to +9.6 deg(C=8, HCl(1+1))

Data of Reference

mp 254°C(dec.)(lit.)


Beilstein 25,513
Reaxys-RN 4168261
PubChem SID 87570593
Merck Index(14) 4720
RTECS# MS3119000


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2933299090


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