Yes, in addition to biological stain applications, Methylene Blue is also commonly used as a redox indicator. Oxidized solutions will appear blue in color and will turn colorless when mixed with a reducing agent. A reduced or clear solution will turn blue when exposed to an oxidizing agent. Methylene blue is considered a basic dye, but not commonly used as an pH indicator. Methyl Blue, which is a chemically different compound, is more commonly used as a pH indicator. Please see the link below to review this compound:
https://www.sigmaaldrich.com/product/sial/95290
M9140
Methylene blue
Dye content, ≥82%, certified by the Biological Stain Commission, powder
동의어(들):
Basic Blue 9, 3,7-bis(Dimethylamino)phenazathionium chloride, Tetramethylthionine chloride
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모든 사진(3)
크기 선택
보기 변경
25 G
₩193,561
100 G
₩558,047
About This Item
실험식(Hill 표기법):
C16H18ClN3S · xH2O
CAS Number:
Molecular Weight:
319.85 (anhydrous basis)
색상 지수 번호:
52015
Beilstein:
3599847
EC Number:
MDL number:
UNSPSC 코드:
12171500
PubChem Substance ID:
NACRES:
NA.47
추천 제품
제품명
Methylene blue, certified by the Biological Stain Commission
Grade
certified by the Biological Stain Commission
Quality Level
양식
powder
구성
Dye content, ≥82%
기술
microbe id | staining: suitable
색상
dark green
solubility
H2O: 4mg/4ml
응용 분야
diagnostic assay manufacturing
hematology
histology
저장 온도
room temp
SMILES string
CN(C)C1=CC=C2C(SC(C3=N2)=CC(C=C3)=[N+](C)C)=C1.[H]O[H].[Cl-]
InChI
1S/C16H18N3S.ClH.H2O/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;1H2/q+1;;/p-1
InChI key
WQVSELLRAGBDLX-UHFFFAOYSA-M
유전자 정보
human ... CYP1A2(1544) , GSR(2936)
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일반 설명
애플리케이션
생화학적/생리학적 작용
Methylene blue is used as a bacteriologic stain or dye and indicator.[6] It mediates the inactivation of enveloped viruses in plasma, when exposed to visible light.[2] It is an inhibitor of nitric oxide synthase and guanylate cyclase.[7] It also plays a key role in medicine as an antimalarial agent, reducing agent in methemoglobinemia and inducer of apoptosis in cancer cells.[7]
적합성
Certified for use in Mallory′s phloxine-methylene blue stain; Levine & Black stain for bacteria in milk; Wright stain for blood smears.
신호어
Warning
유해 및 위험 성명서
예방조치 성명서
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
dust mask type N95 (US), Eyeshields, Gloves
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시험 성적서(COA)
Lot/Batch Number
이미 열람한 고객
RNA determinants of translational operator recognition by the DNA polymerases of bacteriophages T4 and RB69.
Petrov VM and Karam JD
Nucleic Acids Research, 30, 3341-3341 (2002)
Transfusion Medicine and Hemostasis: Clinical and Laboratory Aspects (2008)
Amniotic fluid stem cells prevent follicle atresia and rescue fertility of mice with premature ovarian failure induced by chemotherapy.
Xiao GY
PLoS ONE, 9, e106538-e106538 (2014)
Methylene blue: revisited
Ginimuge PR and Jyothi SD
Journal of Anaesthesiology, Clinical Pharmacology, 26(4), 517-517 (2010)
DJ-1 deficiency triggers microglia sensitivity to dopamine toward a pro-inflammatory phenotype that is attenuated by rasagiline
Trudler D, et al.
Journal of Neurochemistry, 129(3) (2014)
문서
Serotonin is stored in cells and metabolized by MAO, influencing CNS, GI, and platelet functions.
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Is this ingredient suitable for use as a redox indicator? What is the main difference compered to that used as an indicator?
1 답변-
도움이 되었습니까?
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Which is the granulometry of this powder?
1 답변-
The quality control testing only requires that the methylene blue powder appear as a powder. There is no requirement to define the powder as either coarse, medium or fine powder.
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Is there any information available on ammonium molybdate's role in fixing methylene blue dye?
1 답변-
There is no information available regarding the use of ammonium molybdate for mixing methylene blue staining.
도움이 되었습니까?
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Are various powdered methylene blues suitable for marking brain regions in live mice? There are issues visualizing it after staining, suspected due to outdated methylene blue. Assistance is required in choosing the right type for preparation for identifying specific brain regions.
1 답변-
There is no mention of which methylene blue has been problematic. Biological dyes usually lack expiration dates. The recommended catalog number is M9140, which is certified by the Biological Stain Commission (BSC) for staining nuclei blue using paraffin sections and for staining bacteria in milk. Other applications of Methylene Blue include staining white blood cells in Wright Stain, oversight staining, supra vital staining, and staining nerves, nerve fibers, neuronal processes, live non-neuronal cells, tumors, and as a surgical marker.Fresh and aged dyes can yield different reactions. Effective solutions may need fresh preparation. Some dyes have set expiration dates due to deterioration. While using two blue dyes is unusual; thionin is commonly used for Nissl staining.
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Is there any testing conducted for lead and other heavy metals in any of the available methylene blue products?
1 답변-
Medicinal grade and food grade dyes are likely to undergo testing for lead and other heavy metals. It is unlikely that Methylene Blue is offered as a food grade dye. M9140 is not subjected to testing for lead and other heavy metals because it is not intended for human or veterinary use.
도움이 되었습니까?
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How can Methylene blue, Product M9140, be used?
1 답변-
Probably its most important application is as an in vitro diagnostic bacteriology, cytology, hematology, and histology stain. Methylene Blue serves as a precursor to the Methylene Azures and as a component of the various Ramanowsky-type blood stains (Wright, Leishman, Giemsa and others). While pure Methylene Blue is not a good nuclear stain, it readily undergoes oxidative demethylation to form the various Methylene Azures, which are good nuclear stains.
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What is the Department of Transportation shipping information for this product?
1 답변-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
도움이 되었습니까?
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What is the solubility of Methylene blue, Product M9140?
1 답변-
The product is soluble in water at 50 mg/mL, EGME at 60 mg/mL and ethanol at 70 mg/mL. EGME is an abbreviation for ethylene glycol monomethyl ether, also known as 2-methoxyethanol or methyl cellosolve.
도움이 되었습니까?
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How is dye content determined for Methylene blue, Product M9140?
1 답변-
Dye content is determined spectrophotometrically by noting the dye's absorbance peak, which is typically near 665 nm, or by calculating the ratio of the absorbances at 650 nm over 680 nm. (The dye exhibits smaller peaks at approximately 292 and 246 nm).
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