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Key Documents

166510

Sigma-Aldrich

1,1′-Diethyl-2,2′-carbocyanine iodide

97%

Synonym(s):

Pinacyanol iodide, Quinaldine blue

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About This Item

Empirical Formula (Hill Notation):
C25H25IN2
CAS Number:
Molecular Weight:
480.38
Beilstein:
4117070
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

Quality Level

Assay

97%

form

powder

mp

295 °C (dec.) (lit.)

solubility

ethanol: 10 mg/mL

λmax

614 nm

ε (extinction coefficient)

≥180000 at 602-608 nm in ethanol
≥80000 at 560-566 nm in ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

[I-].CCN1\C(=C\C=C\c2ccc3ccccc3[n+]2CC)C=Cc4ccccc14

InChI

1S/C25H25N2.HI/c1-3-26-22(18-16-20-10-5-7-14-24(20)26)12-9-13-23-19-17-21-11-6-8-15-25(21)27(23)4-2;/h5-19H,3-4H2,1-2H3;1H/q+1;/p-1

InChI key

QWYZFXLSWMXLDM-UHFFFAOYSA-M

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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J Makovitzky et al.
Histochemistry, 79(2), 281-287 (1983-01-01)
The polarization optical analysis of human blood platelets was carried out by means of topo-optical staining reactions. Similar studies have not been performed so far. With this approach we were able to demonstrate the spatially oriented nature of glycoprotein components
A Mitra et al.
Indian journal of biochemistry & biophysics, 27(5), 291-294 (1990-10-01)
Interaction of cationic dye pinacyanol chloride with the acidic capsular polysaccharide isolated from Klebsiella serotype K15 has been investigated by spectral measurements. Klebsiella K15 polysaccharide consists of hexasaccharide repeating units containing one residue each of glucuronic acid and glucose, and
R Vazquez-Duhalt et al.
Enzyme and microbial technology, 15(11), 936-943 (1993-11-01)
The effect of five water-miscible organic solvents (tetrahydrofuran, N,N-dimethylformamide, acetonitrile, 2-propanol, and methanol) on the oxidation of pinacyanol chloride (Quinaldine Blue) by horse heart cytochrome c was determined. Hydrogen peroxide was used as the oxidant, and a change in catalytic
Raimon Sabaté et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 70(2), 471-476 (2007-10-30)
Pinacyanol (PIN), as other cyanine dyes, has demonstrated a unique ability to form associates such as dimers, and H- and J-aggregates. This association is strongly favoured in water, and even at low dye concentrations, dimers and superior order aggregates are
A Chakrabarti et al.
Indian journal of biochemistry & biophysics, 26(2), 74-79 (1989-04-01)
The acidic capsular polysaccharide isolated from Klebsiella K10 exhibited chromotropic character with respect to induction of metachromasy in the cationic dye pinacyanol chloride (1-ethyl-2-[3-(1-ethyl-2(1H)-quinolylidene)propenyl]quinolinium chloride). Klebsiella K10 polymer consists of hexasaccharide repeating units containing one residue of glucuronic acid along

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