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556416

Sigma-Aldrich

New Methylene Blue N

Dye content ~70 %

Sinónimos:

Basic Blue 24, Methylene Blue N

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About This Item

Fórmula empírica (notación de Hill):
C18H22ClN3S
Número de CAS:
1934-16-3
Peso molecular:
347.91
Colour Index Number:
52030
EC Number:
217-696-9
MDL number:
MFCD00135878
UNSPSC Code:
12171500
PubChem Substance ID:
24879556
NACRES:
NA.47

form

powder, crystals or chunks

composition

Dye content, ~70%

mp

190 °C (dec.) (lit.)

λmax

590 nm
632 nm (2nd)

εmax

≥29000 at 626-634 nm in water
≥30500 at 586-594 nm in water

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Cl-].CCNc1cc2[s+]c3cc(NCC)c(C)cc3nc2cc1C

InChI

1S/C18H22N3S.ClH/c1-5-19-13-9-17-15(7-11(13)3)21-16-8-12(4)14(20-6-2)10-18(16)22-17;/h7-10,19-20H,5-6H2,1-4H3;1H/q+1;/p-1

InChI key

NZYCYASKVWSANA-UHFFFAOYSA-M

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Application

New methylene blue N has been used as a photosensitizer for the photodynamic inactivation of Candida albicans.

Biochem/physiol Actions

New methylene blue N can bind, neutralize and crosslink with RNA. This causes co-precipitation of ribosomal and residual RNA with the mitochondria and ferritin masses. These events make the living young erythrocytes as microscopically visible, dark-blue clusters and filaments, referred to as reticulum. New Methylene Blue N helps in counting of reticulocytes (erythrocytes containing RNA).

Features and Benefits

Solvent soluble cationic thiazine dye

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000376807
0000376807
0000164445
SHBN9708
SHBL0614

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J O'Neill et al.
Journal of chemotherapy (Florence, Italy), 15(4), 329-334 (2003-09-10)
In order to establish a comparative order of efficacy among established photosensitising compounds currently under investigation, the in vitro photobactericidal activities of six commercially available photosensitisers were investigated at equal concentration against Streptococcus sanguis using a Helium Neon (HeNe) laser
Won-gyun Son et al.
Veterinary anaesthesia and analgesia, 38(5), 510-515 (2011-08-13)
To examine the spread of solution in the epidural space of sternally recumbent dogs. Prospective experimental trial. Animals  Ten healthy adult Beagle dogs weighing 7.6 ± 1.1 kg. Dogs were anaesthetized with total intravenous propofol infusion, and placed in sternal recumbency. A volume
M J Lopez et al.
American journal of veterinary research, 58(7), 786-790 (1997-07-01)
To determine the relation between epidural injectate volume (ml/kg of body weight) and its craniad migration in calves and pigs. 23 neonatal calves and 26 feeder pigs. Animals were randomly assigned to receive different volumes of new methylene blue (NMB
Diego A Portela et al.
Veterinary anaesthesia and analgesia, 39(4), 398-408 (2012-05-31)
To describe the landmarks and methodology to approach the thoracic paravertebral space in dogs; to evaluate if intercostal muscular response could be evoked by a nerve-stimulator; to radiographically assess the distribution pattern of a radio-opaque contrast medium after thoracic paravertebral
M Shaffer et al.
Pediatric pathology, 13(5), 591-595 (1993-09-01)
Although reticulocyte counts can be reliably performed for up to 48 h after storage in EDTA, it is unclear whether this is applicable to the pediatric age group. In order to evaluate this, manual reticulocyte counts were performed on 20
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