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66725

Sigma-Aldrich

Methylene Blue solution alkaline according to Loeffler

according to Loeffler

Synonym(s):

Methylene Blue solution, Ehrlich’s reagent III, Loeffler’s Methylene Blue

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About This Item

Empirical Formula (Hill Notation):
C16H18ClN3S
CAS Number:
61-73-4
Molecular Weight:
319.85
Beilstein:
3641570
MDL number:
MFCD00012111
UNSPSC Code:
12352200
PubChem Substance ID:
329760312
NACRES:
NA.25

Quality Level

100

shelf life

limited shelf life, expiry date on the label

composition

dye (C.I.No. 52015), 0.3 % (w/v) (in ethanol:0.1% aqueous KOH 3:10)

refractive index

n20/D 1.347

SMILES string

[Cl-].CN(C)c1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C

InChI

1S/C16H18N3S.ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;/h5-10H,1-4H3;1H/q+1;/p-1

InChI key

CXKWCBBOMKCUKX-UHFFFAOYSA-M

Application

Loeffler′s alkaline methylene blue stain solution has been used for the staining of microalgae cells.[1]

Other Notes

Prepared according to Clark[2]

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

84.2 °F - closed cup

Flash Point(C)

29 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC3086
BCBV6776
BCBQ7485V

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G. Clark
Staining Procedures, 380-380 (1981)
Associated effects of storage and mechanical pre-treatments of microalgae biomass on biomethane yields in anaerobic digestion.
Gruber-Brunhumer MR et al.
Biomass and Bioenergy, 93, 259-268 (2016)
Jonel Steffen et al.
The British journal of ophthalmology, 98(1), 13-15 (2013-10-26)
To evaluate the diagnostic accuracy of methylene blue used as a non-invasive in vivo stain to detect ocular surface squamous neoplasia (OSSN). A test validation study was performed according to Standards for the reporting of diagnostic accuracy studies (STARD) guidelines
Q R J G Tummers et al.
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 40(7), 850-858 (2014-05-28)
Despite recent developments in preoperative breast cancer imaging, intraoperative localization of tumor tissue can be challenging, resulting in tumor-positive resection margins during breast conserving surgery. Based on certain physicochemical similarities between Technetium((99m)Tc)-sestamibi (MIBI), an SPECT radiodiagnostic with a sensitivity of
Nicolaas Lucius Gerlach et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 72(4), 666-671 (2014-02-01)
To establish the accuracy of cone-beam computed tomographic (CBCT) views in determining the position and diameter of the mandibular canal. Two freshly frozen cadaver heads, 1 dentate and 1 edentate, were used to acquire CBCT scans. Measurements on cross-sectional CBCT
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