Pinacyanol

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Pinacyanol refers to a family of functional dyes used to sensitize photographic film to the red, far red, and near infra-red spectrums. One variety was marketed as Sensitol Red by Ilford for this purpose in the 1920s. Modern use lies in scientific imaging, such as astrophotography, or in the manufacture of CDs and DVDs.

Our interest in the substance lies in the fact that a Mr. Oscar Bagnall determined that it had an activity like Dicyanine A in that it enhanced the ability to see the human aura. In addition, it was more stable than Dicyanine A, and (at the time, at least,) less expensive.

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There are three main varieties of Pinacyanol in common manufacture today.

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Pinacyanol Bromide

Suppliers

• Pinacyanol Bromide
• 1-Ethyl-2-{3-[1-ethyl-2(1H)-quinolinylidene]-1-propenyl}quinolinium bromide
• 1,1-DIETHYL-2,2-CARBOCYANINEROMIDE
• Pinacyanol Bromide from Sigma-Aldrich

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Pinacyanol Chloride

Suppliers

• Pinacyanol Chloride
• Ethionamide
• QUINALDINE BLUE
• Pinacyanol Chloride from Sigma-Aldrich

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Pinacyanol Iodide

RN	605-91-4
MF	C25H25IN2 C25H25N2I
MW	480.3914

Suppliers

Supplier	Description	Reference
Sigma-Aldrich	1,1'-Diethyl-2,2'-carbocyanine iodide (Pinacyanol iodide)	166510 1 G, $91.50
abcr	1,1'-Diethyl-2,2'-Carbocyanine iodide (Pinacyanol)	AB122862-0500.00-MGM 500mg AB122862-0250.00-MGM 250mg
spectruminfo	1,1'-Diethyl-4,4'-carbocyanine iodide	on request
chemos	1,1-Diethyl-2,2-carbocyanineodide	155100 on request
jschem	1-ethyl-2-[3-(1-ethyl-2(1H)-quinolylidene)prop-1-enyl]quinolinium iodide , 98%min.	on request
advtechind	1,1-DIETHYL-2,2-CARBOCYANINEODIDE	1048876 1G 1048876 on request
advtechind	PINACYANOL IODIDE	1215243 5G 1215243 1G 1215243 on request