Skip to Content
Merck
All Photos(3)

Documents

166510

Sigma-Aldrich

1,1′-Diethyl-2,2′-carbocyanine iodide

97%

Synonym(s):

Pinacyanol iodide, Quinaldine blue

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Empirical Formula (Hill Notation):
C25H25IN2
CAS Number:
605-91-4
Molecular Weight:
480.38
Beilstein:
4117070
EC Number:
210-099-4
MDL number:
MFCD00011975
UNSPSC Code:
12171500
PubChem Substance ID:
24850168
NACRES:
NA.47

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

Related Categories

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301 + H311 + H331

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

1,6-Diphenyl-1,3,5-hexatriene 98%

Sigma-Aldrich

D208000

1,6-Diphenyl-1,3,5-hexatriene

Raimon Sabaté et al.
Biopolymers, 72(6), 455-463 (2003-10-31)
The binding of pinacyanol (PIN), a cationic cyanine dye, to beta-amyloid fibrils (Abeta), which are associated with Alzheimer disease, was quantified by absorption spectrophotometry to measure the concentration of PIN bound to Abeta as a function of the Abeta concentration
Anindya Ghosh et al.
Journal of the American Chemical Society, 130(45), 15116-15126 (2008-10-22)
Exceptionally high peroxidase-like and catalase-like activities of iron(III)-TAML activators of H 2O 2 ( 1: Tetra-Amidato-Macrocyclic-Ligand Fe (III) complexes [ F e{1,2-X 2C 6H 2-4,5-( NCOCMe 2 NCO) 2CR 2}(OH 2)] (-)) are reported from pH 6-12.4 and 25-45 degrees
S Dasgupta et al.
Indian journal of biochemistry & biophysics, 46(2), 192-197 (2009-06-13)
Capsular polysaccharides (SPS) are an integral component of gram-negative bacteria, and also have potential use as vaccine. In this paper, interactions of SPS isolated from Klebsiella strains K20 and K51 with cationic dyes pinacyanol chloride (PCYN) and acridine orange (AO)
A Mitra et al.
Indian journal of biochemistry & biophysics, 29(5), 411-414 (1992-10-01)
The acidic capsular polysaccharide isolated from Klebsiella K7 induced metachromasy in the cationic dye pinacyanol chloride indicating its chromotropic character. Interaction of the biopolymer with the cationic dye was studied by visible absorption spectrophotometry, and thermodynamic parameters of the interaction
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service