Methylene blue
Properties
- Molecular formula
- C16H18ClN3S
- Molar mass
- 319.85 g/mol
- Exact mass
- 319.0910 Da
- Density
- 1.31 g/mL
- Melting point
- 100–110 °C (decomposes)
- Water solubility
- 43.6 g/L (25 °C)
- logP
- 0.87Crippen estimate
- Polar surface area
- 19.4 Ų
- H-bond donors / acceptors
- 0 / 3
- Rotatable bonds
- 2
Hazards
Danger
- H302 Harmful if swallowed91.6% of notifiers
- H318 Causes serious eye damage25.6% of notifiers
- H412 Harmful to aquatic life with long lasting effects10.3% of notifiers
Aggregated from 273 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P264, P264+P265, P270, P273, P280, P301+P317, P305+P354+P338, P317, P330, P501
Identifiers
CAS number
61-73-4SMILES
CN(C)c1ccc2nc3ccc(N(C)C)cc3[s+]c2c1.[Cl-]InChIKey
CXKWCBBOMKCUKX-UHFFFAOYSA-MInChI
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-1Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
74 names · show all
- Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride (1:1)
- C.I. Basic blue 9
- Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride
- C.I. 52015
- Aizen methylene blue FZ
- Aizen methylene blue BH
- Calcozine blue ZF
- Chromosmon
- Hidaco methylene blue salt free
- Leather pure blue HB
- Methylene blue D
- Methylene blue 2BP
- Methylene blue BBA
- Methylene blue A
- Methylene blue G
- Methylene blue 2BF
- Methylene blue 2B
- Methylene blue 2BN
- Methylene blue BD
- Methylene blue N
- Methylene blue BP
- Methylene blue BPC
- Methylene blue BX
- Methylene blue BZ
- Methylene Blue chloride
- Methylene blue FZ
- Methylene blue GZ
- Methylene blue JFA
- Methylene blue NF
- Methylene blue NZ
- Methylene blue SG
- Methylene blue SP
- Methylene blue ZF
- Methylene blue zinc free
- Methylene blue ZX
- Methylenium ceruleum
- Methylthionine chloride
- Methylthioninium chloride
- Mitsui methylene blue
- Schultz 1038
- Swiss blue
- Tetramethylthionine chloride
- Yamamoto methylene blue B
- Yamamoto methylene blue ZF
- Ext D and C blue no. 1
- Methylene blue B
- Basic blue 9
- Methylene blue BB
- Methylene blue iad
- Methylene blue HGG
- Methylene blue polychrome
- Sandocryl blue BRL
- External blue 1
- Tetramethylthionine
- Duasyn basic blue IAD
- Methylene blue MB
- Basic lake blue
- Urolene blue
- Solvent blue 8
- C.I. Solvent blue 8
- Izit crystal dye
- NSC 617593
- Maxilon blue SG
- BIVN 401
- Virostat
- Suvus
- Proveblue
- Basic blue 2B
- TRx 0237
- Methylene Blue solution alkaline according to Loeffler
- Loffler's alkaline Methylene Blue
- 3,7-Bis(dimethylamino)-5λ4-phenothiazin-5-ylium chloride
- Methylthioninium chloride Proveblue
- Sigma A 4043
Work with Methylene blue
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
Azure A531-53-380 % similar
Azure II37247-10-276 % similar
Azure B531-55-576 % similar
Toluidine blue92-31-970 % similar
Thionine581-64-651 % similar
N,N,N′,N′-Tetramethylacridine-3,6-diamine monohydrochloride compd. with zinc dichloride10127-02-350 % similar
Acridine orange494-38-250 % similar
Azure C531-57-743 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds