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o-Phenanthroline

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o-Phenanthroline Basic information

Product Name:
o-Phenanthroline
Synonyms:
  • O-PHENANTHROLINE
  • ORTHOPHENANTHROLINE
  • 4,5-Diazaphenanthrene
  • 4,5-Phenanthroline
  • Activ-8 in hexylene glycol
  • beta-Phenanthroline
  • Solution forms containing 1,10-phenanthroline
  • 1,10-Phenanthroline anhydrate
CAS:
66-71-7
MF:
C12H8N2
MW:
180.21
EINECS:
200-629-2
Product Categories:
  • Industrial/Fine Chemicals
  • Heterocyclic Building Blocks
  • N-Containing
  • Others
  • Py-N
  • Achiral Nitrogen
  • organic amine
  • Aromatics
  • Chelating Agents & Ligands
  • Heterocycles
Mol File:
66-71-7.mol
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o-Phenanthroline Chemical Properties

Melting point:
114-117 °C(lit.)
Boiling point:
>330°C
Density 
1.1836 (rough estimate)
refractive index 
1.5200 (estimate)
Flash point:
>330°C
storage temp. 
Store below +30°C.
solubility 
2.69g/l
form 
Powder
pka
4.84(at 25℃)
color 
White to light yellow or light pink
Water Solubility 
slightly soluble
Sensitive 
Hygroscopic
Merck 
14,7214
BRN 
126461
Stability:
Stable. Hygroscopic. Store under nitrogen. Incompatible with strong acids, strong oxidizing agents.
InChIKey
DGEZNRSVGBDHLK-UHFFFAOYSA-N
CAS DataBase Reference
66-71-7(CAS DataBase Reference)
NIST Chemistry Reference
o-Phenanthroline(66-71-7)
EPA Substance Registry System
1,10-Phenanthroline (66-71-7)
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Safety Information

Hazard Codes 
T,N
Risk Statements 
25-50/53
Safety Statements 
45-60-61
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
SF8437000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29339990
Toxicity
dni-hmn:leu 5 mg/L ONCOBS 46,193,89

MSDS

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o-Phenanthroline Usage And Synthesis

Chemical Properties

off-white powder

Uses

A chelating agent, forming complexes with most metal ions.

Uses

A ligand employed in the spectrophotometric determination of metals and photocatalytic reduction of carbon dioxide.

Uses

As an analytical reagent for determination of metals in chemical and biological systems through complex formation. As an indicator ("Ferroin") in combination with ferrous ions for oxidation/reduction reactions. In organic syntheses as an activator.

Safety Profile

Poison by ingestion and intraperitoneal routes. An experimental teratogen. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Purification Methods

Purify it via the HgCl2 addition compound formed when phenanthridine (20g) in 1:1 HCl (100mL) is added to aqueous HgCl2 (60g in 3L), and the mixture is heated to boiling. The HgCl2 complex separates as yellow red crystals with m 195-198o [Arcus & Mesley J Chem Soc 1780 1953]. Conc HCl is then added until all of the solid has dissolved. The compound separates on cooling and is decomposed with aqueous NaOH (ca 5M). Phenanthridine is extracted into Et2O, evaporated, and the residue is crystallised from pet ether (b 80-100o) or EtOAc. [Cumper et al. J Chem Soc 45218 1962.] It is also purified by chromatography on activated alumina from *benzene solution, with diethyl ether as eluent. Evaporation of ether gives crystalline material which is freed from residual solvent under vacuum, then further purified by fractional crystallisation, under N2, from its melt. It was purified by zone melting and sublimes in a vacuum. The picrate has m 218.5-219.5o (from iso-PrOH) (also reported are m 244-245o and 247-248o, from EtOH or H2O). [Slough & Ubbelhode J Chem Soc 911 1957.] [Beilstein 20 H 466, 20 III/IV 4016, 20/8 V 223.]

o-Phenanthroline Preparation Products And Raw materials

Preparation Products

Raw materials

o-PhenanthrolineSupplier

Shenyang Xianchuang Chemical Co., Ltd. Gold
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023-18306022-109;023-13098782-745
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