Diantipyrylmethane

Cat. No.: HY-W009022 Purity: 98.98%: Data Sheet
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Diantipyrylmethane is a chromogenic reagent commonly used for the determination of the contents of metals such as Au (III), Ti (IV), Ir, Fe (III), molybdenum, neodymium, U (IV), iridium, platinum and rhenium via spectrophotometry and extraction photometry. Diantipyrylmethane can also form a fluorescent complex with Er (III) ions, which is applied to the determination of erbium.

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Diantipyrylmethane Chemical Structure

CAS No. : 1251-85-0

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO ready for reconstitution	In-stock	Estimated Time of Arrival: December 31
Solution
10 mM * 1 mL in DMSO	In-stock	Estimated Time of Arrival: December 31
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1 g	In-stock	Estimated Time of Arrival: December 31
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Description

In Vitro

Diantipyrylmethane (3%; at least 30 min) forms a stable 1:3 complex with titanium (IV), enabling accurate spectrophotometric determination of 0.0005-0.10% titanium in separated high-purity molybdenum and tungsten metals^[1].
Diantipyrylmethane enables specific, stable, and accurate fluorometric determination of erbium (III) ions under pH = 8 conditions^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight

388.47

Formula

C₂₃H₂₄N₄O₂

CAS No.

1251-85-0

Appearance

Solid

Color

White to off-white

SMILES

CC(N1C)=C(C(N1C2=CC=CC=C2)=O)CC(C(N3C4=CC=CC=C4)=O)=C(N3C)C

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

DMSO : 25 mg/mL (64.36 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	2.5742 mL	12.8710 mL	25.7420 mL
5 mM	0.5148 mL	2.5742 mL	5.1484 mL
10 mM	0.2574 mL	1.2871 mL	2.5742 mL

View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

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Purity & Documentation

Purity: 98.98%

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Data Sheet (274 KB) SDS (393 KB)

COA (253 KB) HNMR (261 KB) LCMS (93 KB)

Handling Instructions (2659 KB)

References

[1]. Donaldson EM, et al. Determination of titanium in high-purity molybdenum and tungsten metals with diantipyrylmethane after separation by extraction of its cupferron complex. Talanta. 1969;16(12):1505-1512. [Content Brief]

[2]. Sungur S, et al. Spectrofluorimetric determination of Er (III) with diantipyrylmethane. Spectrochim Acta A Mol Biomol Spectrosc. 2001;57(2):349-353. [Content Brief]

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

DMSO	1 mM	2.5742 mL	12.8710 mL	25.7420 mL	64.3550 mL
	5 mM	0.5148 mL	2.5742 mL	5.1484 mL	12.8710 mL
	10 mM	0.2574 mL	1.2871 mL	2.5742 mL	6.4355 mL
	15 mM	0.1716 mL	0.8581 mL	1.7161 mL	4.2903 mL
	20 mM	0.1287 mL	0.6436 mL	1.2871 mL	3.2178 mL
	25 mM	0.1030 mL	0.5148 mL	1.0297 mL	2.5742 mL
	30 mM	0.0858 mL	0.4290 mL	0.8581 mL	2.1452 mL
	40 mM	0.0644 mL	0.3218 mL	0.6436 mL	1.6089 mL
	50 mM	0.0515 mL	0.2574 mL	0.5148 mL	1.2871 mL
	60 mM	0.0429 mL	0.2145 mL	0.4290 mL	1.0726 mL