Methylene Blue trihydrate CAS:7220-79-3

  • Product Name:Methylene Blue trihydrate
  • CAS:7220-79-3
  • Molecular formula:C16H24ClN3O3S
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Methylene Blue trihydrate CAS:7220-79-3

Methylene Blue trihydrate CAS:7220-79-3 Basic information

Product Name: Methylene Blue trihydrate
Synonyms: METHYLENE BLUE SOLUTION, 0.05% AQUEOUSMETHYLENE BLUE SOLUTION, 0.05% AQUEOUSMETHYLENE BLUE SOLUTION, 0.05% AQUEOUS;METHYLENE BLUEMETHYLENE BLUEMETHYLENE BLUE;ue trihydrate;phenothiazin-5-ium,3,7-bis(dimethylamino)-,chloride,trihydrate;Basic Blue 9 trihydr
CAS: 7220-79-3
MF: C16H24ClN3O3S
MW: 373.9
EINECS: 615-731-6
Product Categories: Dyes and Pigments;Pharmaceuticals;Phenothiazine;Cytochemistry ProductsStains and Dyes;Hematology and Histology;M;Stains&Dyes, A to;API
Mol File: 7220-79-3.mol

Methylene Blue trihydrate CAS:7220-79-3 Chemical Properties

density: 0.98 g/mL at 25 °C
Melting point: 190 °C (dec.)(lit.)
form: Solid
storage temp.: Store at RT.
Water Solubility: 4 g/100 mL
pka: 2.6, 11.2(at 25℃)
InChIKey: YAFGUSOAMIMROI-UHFFFAOYSA-M
Fp: 14 °C
solubility: Soluble in water, chloroform; sparingly soluble in ethanol
Merck: 13,6085
Stability: Stable. Incompatible with bases, reducing agents, strong oxidizing agents.
λmax: 668 nm, 609 nm
Colour Index: 52015
CAS DataBase Reference: 7220-79-3(CAS DataBase Reference)
EPA Substance Registry System: Methylene blue trihydrate (7220-79-3)

名称(含量以及杂质含量%)

Item

指标

Specification

结果

Result

亚甲基蓝含量(C16H18ClN3S) ≥

98.0

98.6

变色范围 Color range

Conform 合格

conform 合格

干燥失重 Dry weight loss

15.0

10.1

灼烧残渣 Ignition residue

0.5

0.35

(As)

0.0005

0.0004

锌(Zn

0.02

0.01

铜(Cu

0.03

0.002

乙醇溶解试验 Ethanol dissolution

Conform 合格

Conform 合格

Methylene Blue trihydrate Usage And Synthesis
Chemical PropertiesDark green crystalline powder
Usesantibacterial
UsesStain in bacteriology; reagent for several chemicals; as mixed indicator; as redox colorimetric agent. Targeting agent for melanoma.
General DescriptionOdorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder. pH (1% solution in water) 3 to 4.5 .
Air & Water ReactionsHygroscopic. Water soluble. Gives a blue solution in water.
Reactivity ProfileMethylene Blue trihydrate is incompatible with strong oxidizing agents, caustics, alkali metal iodides and reducing agents. Also incompatible with dichromates. Methylene Blue trihydrate forms double salts with many inorganic salts. Is bleached reversibly by (zinc + hydrochloric acid) or sodium hydrosulfite. In aqueous solution, Methylene Blue trihydrate is decolorized by zinc dust and dilute sulfuric acid, but the color is restored upon exposure to air and more rapidly upon addition of ammonium hydroxide.
Fire HazardFlash point data for Methylene Blue trihydrate are not available; however, Methylene Blue trihydrate is probably combustible.


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