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Pheniramine Maleate
(CAS RN:132-20-7 Product Number:P2271)


Pheniramine Maleate

General Information

Product Number P2271

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C16H20N2·C4H4O4=356.42
CAS RN 132-20-7
Related CAS RN 86-21-5
MDL Number MFCD00079250
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 %(total of Ion-Pair)
Purity(Nonaqueous Titration) min. 98.0 %
Melting point 106.0 to 110.0 deg-C

Data of Reference

λmax 262(lit.)


Reaxys-RN 3813903
PubChem SID 253660476
Merck Index(14) 7235
RTECS# UT0175000
EC Number 205-051-4


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Transport Information

HS Number 2933399990


Pheniramine Maleate: A Histamine H1-Receptor Antagonist

Pheniramine maleate, a first generation antihistamine, is a histamine H1-receptor antagonist. It appears to compete with histamine for histamine H1-receptor sites on effector cells, and thereby reduce the intensity of allergic reactions and tissue injury response involving histamine release. It also has anticholinergic and moderate sedative effects. On the other hand, pheniramine has been reported it as a corrosion inhibitor for mild steel in hydrochloric acid solution.


PubMed Literature

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