Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

Safety Information

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

Quality Level

100

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

166510-250MG:4548173986005
166510-BULK:
166510-1G:4548173985992
166510-VAR:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBR3469
MKCD8586
MKBF7503V
MKBH8428V
02823AB

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

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
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
Li-ping Guo et al.
Guang pu xue yu guang pu fen xi = Guang pu, 22(6), 1060-1064 (2003-08-14)
Liposome is one of the major areas of interest in recent years because of its many potential applications. In this paper, three phase states of liposome (micelle, lamellar and reversed hexagonal) were prepared by thin-film hydration method and their structures
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)
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