Detail of "1662-01-7"

CAS Number:
1662-01-7
Name:
1,10-Phenanthroline,4,7-diphenyl-
Superlist Name:
Bathophenanthroline
Molecular Structure:
Formula:
C₂₄H₁₆N₂
Molecular Weight:
332.40
Deleted CAS:
100756-39-6
Synonyms:
1,10-Bathophenanthroline;4,7-Diphenyl-1,10-diazaphenanthrene;4,7-Diphenyl-1,10-phenanthroline;4,7-Diphenyl-o-phenanthroline;BPhen;DPA;NSC 637659;
EINECS:
216-767-1
Density:
1.21 g/cm³
Melting Point:
218-220 °C(lit.)
Boiling Point:
543.108 °C at 760 mmHg
Flash Point:
242.111 °C
Solubility:
Soluble in benzene, chloroform and dilute inorganic acid, slightly soluble in ethanol and aether, insoluble in water
Appearance:
white to faintly yellow crystalline powder
Hazard Symbols:
Xn
Risk Codes:
20/21/22-36/37/38
Safety:
22-24/25-36-26 Details

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Reference

Choice of a photocolorimetric method for determining iron in titanium dioxide: Choice of a photocolorimetric method for determining iron in titanium dioxide. Zholnin, A. V.; Banokina, K. I. (Chelyab. Med. Inst., Chelyabinsk, USSR). Lakokras. Mater. Ikh Primen., (4), 53-4 (Russian) 1978. CODEN: LAMAAD. ISSN: 0023-737X. DOCUMENT TYPE: Journal CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 79 The formation of colored complexes between Fe and o-phenanthroline (I) [66-71-7], sulfosalicylic acid (II) [97-05-2], 1-nitroso-2-naphthol (III) [131-91-9], or bathophenanthroline (IV) [1662-01-7] was used to det. traces of Fe in TiO2 pigments. The detns. involved sample dissoln., masking Ti with tartaric acid, redn. of Fe (without reducing Ti) with NH2OH.HCl, adjustment of the soln. pH to 5.5-5.6 with NH4OH, buffering with NaOAc-AcOH soln., formation of colored complexes, and colorimetry. For Fe concn. 3 5 ′ 10-3% I was best; II was used for Fe concns. > 3 ′ 10-2% and III or IV could be used for Fe concns. < 10-2%. The relative errors were ￡ 6%.

Chelating agent differences in ferrous iron determinations: Chelating agent differences in ferrous iron determinations. Pierson, E. E.; Clark, R. B. (Dep. Agron., Univ. Nebraska, Lincoln, NE 68583, USA). J. Plant Nutr., 7(1-5), 91-106 (English) 1984. CODEN: JPNUDS. ISSN: 0190-4167. DOCUMENT TYPE: Journal CA Section: 19 (Fertilizers, Soils, and Plant Nutrition) Expts. were conducted to test the ability of Fe2+ chelating agents to discriminate between Fe2+ and Fe3+, to det. ranges of Fe2+ detection in reactions, to det. interactions of chelating agents with P which is common in plant tissue, and to evaluate some of the complexities of methodol. for Fe2+ detns. PDTS [ferrozine; 3-(2-pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine] [28048-33-1] reacted with only small amts. of Fe3+ and had a fairly wide range of Fe2+ detection (0-200 mg) P did not interfere with the reaction, and methodol. was relatively simple. TPTZ [2,4,6-tripyridyl-s-triazine] [3682-35-7] was very specific for Fe2+, did not react with Fe3+ and had a relatively narrow range of Fe3+ detection (0-40 mg); P did not interfere with the reaction, and methodol. was relatively simple. PBDS (4,7-diphenyl-1,10-phenanthrolinedisulfonic acid) [28061-20-3] reacted with a small amt. of Fe3+, had a fairly wide range of Fe2+ detection (40-200 mg) and did not react with low levels of Fe2+ (<40 mg) P did not interfere with the reaction, and the methodol. was relatively simple. OPh (1,10-o-phenanthroline) [66-71-7] reacted extensively with Fe3+ and had a wide range of Fe2+ detection (0-200 mg) P did not interfere with the reaction, and methodol. was relatively simple. BDTPS [2,4-bis(5,6-diphenyl-1,2,4-triazine-3-yl)-pyridinetetrasulfonic acid [64022-08-8], BPT (4,7-diphenyl-1,10-pohenanthroline) [1662-01-7], and PDT [3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine] [1046-56-6] were considered, but the literature indicated that P interfered with BDTPS and BPT reactions, citrate interfered with the BPT reactions, and the methodologies for PDT and BPT were relatively complex (required special sepns. and extns.). PDTS was the best of the chelating agents tested for Fe2+ detns. OPh plus hydroxylamine [7803-49-8] was the best of the chelating agents for the detn. of total Fe.

Detail of "1662-01-7"

1,10-Phenanthroline,4,7-diphenyl-

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Reference