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Home/Compounds/Dye & Pigment/Methylene Blue trihydrate
C16H24ClN3O3S
373.9 g/mol
Dye & PigmentWarning

Methylene Blue trihydrate

CAS7220-79-3
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Bacteriological stain and dye

Methylene blue trihydrate appears as odorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder, with a pH of 3 to 4. 5 in a 1% aqueous solution.

Bacteriological stainRedox colorimetric agentAntimethemoglobinic agent in medicine

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

Methylene blue trihydrate

CAS122965-43-9

Biological stain and dye

StrongSame Parent

Methylene blue

CAS61-73-4

stain and dye agent

ReferenceSame Category

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CAS7253-04-5

Dye intermediate

ReferenceSame Category

Basic violet 11:1

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Fluorescent solvent dye

ReferenceSame Category

Reactive Blue 81

CAS75030-18-1

Reactive dye for textile coloration

ReferenceSame Category

Pigment red 48 barium

CAS7585-41-3

Pigment for plastics

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
Identifiers
IUPAC Name

[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate

InChIKey

XQAXGZLFSSPBMK-UHFFFAOYSA-M

SMILES

CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]

Synonyms (27)
  • Methylene blue (USP)
  • 7220-79-3 (hdyrate)
  • C.I. Basic Blue 9, trihydrate
  • METHYLTHIONINE TRIHYDRATE
  • Methylene Blue (C.I. 52015)
  • Methylene Blue trihydrate
  • Methylene blue
  • Provayblue (TN)