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METHYLENE BLUE [6 records]

Record 1 2016-12-21

English

Subject field(s)
  • Water Treatment (Water Supply)
DEF

Anionic surfactants, including linear alkylate sulfonate(LAS) and alkyl sulfate, which react with methylene blue to form a blue chloroform-soluble complex; the intensity of color is proportional to concentration.

OBS

methylene blue active substance; MBAS : term and abbreviation extracted from the “Glossaire de l'environnement” and reproduced with permission of the Organisation for Economic Co-operation and Development.

French

Domaine(s)
  • Traitement des eaux

Spanish

Save record 1

Record 2 2011-06-21

English

Subject field(s)
  • Chemical Elements and Compounds
  • Dyes and Pigments (Industries)
  • Bioengineering
Universal entry(ies)
C16H18N3S·Cl
formula, see observation
C16H18ClN3S
formula, see observation
61-73-4
CAS number
DEF

A chemical compound which appears under the form of dark green crystals or of a powder with bronze-like luster, is soluble in water, alcohol, and chloroform, is used in biological and bacteriological stains, as as indicator and in dyeing cotton and wool.

OBS

methylthioninium chloride: International nonproprietary name (INN) of the World Health Organization (WHO).

OBS

The capital letter "H" must be italicized.

OBS

[Also known under a large number of commercial designations, such as :] Aizen Methylene Blue BH; Aizen Methylene Blue FZ; Basic Blue 9; Calcozine Blue ZF; Chromosmon; C. I. 52015; C. I. Basic Blue 9; D & C Blue Number 1; Ext. D & C Blue No. 1; External Blue 1; Hidaco Methylene Blue Salt Free; Leather Pure Blue HB; Methylene Blue A, B, 2B, BB, BBA, BD, 2BF, 2BN, BP, 2BP, BPC, BX, BZ, D, FZ, G, GZ, HGG, IAD, I, JFA, N, NF, NZ, Polychrome, SG, SP, USP, USP XII, ZF, Zinc Free, Blue ZX; Mitsui Methylene Blue, Sandocryl Blue BRL; Schultz No. 1038; Yamamoto Methylene Blue B; Yamamoto Methylene Blue ZF.

OBS

Chemical formula: C16H18N3S·Cl or C16H18ClN3S

French

Domaine(s)
  • Éléments et composés chimiques
  • Teintures et pigments (Industries)
  • Technique biologique
Entrée(s) universelle(s)
C16H18N3S·Cl
formula, see observation
C16H18ClN3S
formula, see observation
61-73-4
CAS number
DEF

Produit chimique se présentant sous la forme d'une poudre vert foncé, soluble dans l'eau et l'alcool, utilisé comme antiseptique urinaire (administré per os), comme antidote des cyanures (administré par voie intraveineuse), comme réactif analytique et comme colorant pour bactéries.

OBS

Le bleu de méthylène est une matière colorante (thiazine) et un dérivé tétraméthylé du violet de Lauth.

OBS

chlorure de méthylthioninium : Dénomination commune internationale (DCI) de l'Organisation mondiale de la santé (OMS).

OBS

Le «H» majuscule s'écrit en italique.

OBS

Formule chimique : C16H18N3S·Cl ou C16H18ClN3S

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Tinturas y pigmentos (Industrias)
  • Bioingeniería
Entrada(s) universal(es)
C16H18N3S·Cl
formula, see observation
C16H18ClN3S
formula, see observation
61-73-4
CAS number
OBS

Cristales o polvo verde oscuro, inodoro o con ligero olor. Soluble en agua, alcohol y cloroformo. Las soluciones acuosas son de color azul intenso. Moderadamente tóxico por via oral.

OBS

Fórmula química: C16H18N3S·Cl o C16H18ClN3S

Save record 2

Record 3 2002-03-21

English

Subject field(s)
  • Water Treatment (Water Supply)
  • Water Pollution
  • Environmental Studies and Analyses
DEF

A test for biologically treated sewage in which methylene blue is added to a sample of the effluent. The time taken to decolorize the dye in the absence of air is a measure of the stability of the effluent.

OBS

stability test: term and definition standardized by ISO.

French

Domaine(s)
  • Traitement des eaux
  • Pollution de l'eau
  • Études et analyses environnementales
DEF

Essai destiné aux eaux usées épurées biologiquement qui consiste à ajouter du bleu de méthylène à un échantillon d'effluent. Le temps nécessaire à la disparition de la coloration en l'absence d'air correspond à la mesure de la stabilité de l'effluent.

OBS

test de stabilité; essai de stabilité : termes et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Tratamiento del agua
  • Contaminación del agua
  • Estudios y análisis del medio ambiente
Save record 3

Record 4 1995-09-01

English

Subject field(s)
  • Diagnostic Procedures (Medicine)
  • Microbiology and Parasitology
  • Parasitoses
DEF

Mixture of eosin, methylene blue and methylene azure which stains differentially the various elements of malaria parasites.

French

Domaine(s)
  • Méthodes diagnostiques (Médecine)
  • Microbiologie et parasitologie
  • Parasitoses
DEF

Mélange d'éosine, de bleu de méthylène et d'azur de méthylène, qui colore différemment les divers éléments des parasites du paludisme.

Spanish

Save record 4

Record 5 1987-05-20

English

Subject field(s)
  • Pharmacology
  • Diagnostic Procedures (Medicine)
DEF

A mixture of eosin and methylene blue in absolute methanol. It is a variant of the Romanowsky stain and is the most commonly used stain for blood films and bone marrow aspirates. It is also used for staining certain microorganisms, such as malarial parasites.

French

Domaine(s)
  • Pharmacologie
  • Méthodes diagnostiques (Médecine)
CONT

Réactifs nécessaires à la coloration de Wright : Colorant de Wright (éosine - bleu de méthyline) Merck; Tampon à pH 7,2 (Titrisol Merck : no. 9879).

Spanish

Save record 5

Record 6 1985-09-18

English

Subject field(s)
  • Cheese and Dairy Products
OBS

reductase. An enzyme... which has the power of reducing or decolorizing methylene blue.

OBS

Reduction tests with methylene blue or resazurin, are used to check the bacteriological quality and to grade raw milk.

French

Domaine(s)
  • Laiterie, beurrerie et fromagerie
OBS

[La] réductase [est un] système enzymatique mis en évidence chez la plupart des bactéries au moyen de colorants indicateurs d'oxydoréduction. Le développement microbien conduit à une diminution du potentiel redox du milieu. Les bactéries lactiques possèdent une réductase. Les colorants utilisés pour l'épreuve dite de «la réductase» sont le bleu de méthylène [et] la résazurine [...]

Spanish

Save record 6

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