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Janus Green B structure
Janus Green B structure

Janus Green B

Iupac Name:8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride
CAS No.: 2869-83-2
Molecular Weight:511.07
Modify Date.: 2022-11-29 10:14
Introduction: As dye for cotton, wool; as biological stain; in electrodeposition of copper, Brown, Fellows, US 2882209 (1959 to Udylite Res. Corp.). View more+
1. Names and Identifiers
1.1 Name
Janus Green B
1.2 Synonyms

3-(Diethylamino)-7-[[4-(dimethylamino)phenyl]azo]-5-phenylphenazinium Chloride 3-(Diethylamino)-7-{(E)-[4-(dimethylamino)phenyl]diazenyl}-5-phenylphenazin-5-ium chloride 8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine,chloride diazin green s EINECS 220-695-6 Janu JANUS GREEN (C.I. 11050) FOR MICROSCOPY Janus green B (CI x 11050) Janus Green B chloride Janus Green B, high purity biological stain Janus Green B, high purity biological stain, pure 5GR Janus Green B, Pure Janus Green B,high purity biological stain Janus Green B,pure,high purity biological stain Janus Green V MFCD00011337 Phenazinium, 3- (diethylamino)-7-[[4-(dimethylamino)phenyl]azo]-5-phenyl-, chloride Phenazinium, 3- (diethylamino)-7-[[p-(dimethylamino)phenyl]azo]-5-phenyl-, chloride Phenazinium, 3-(diethylamino)-7-[(E)-2-[4-(dimethylamino)phenyl]diazenyl]-5-phenyl-, chloride (1:1) Union Green B

1.3 CAS No.
2869-83-2
1.4 CID
76123
1.5 EINECS(EC#)
220-695-6
1.6 Molecular Formula
C30H31ClN6 (isomer)
1.7 Inchi
InChI=1S/C30H31N6.ClH/c1-5-35(6-2)26-17-19-28-30(21-26)36(25-10-8-7-9-11-25)29-20-23(14-18-27(29)31-28)33-32-22-12-15-24(16-13-22)34(3)4;/h7-21H,5-6H2,1-4H3;1H/q+1;/p-1
1.8 InChkey
XXACTDWGHQXLGW-UHFFFAOYSA-M
1.9 Canonical Smiles
CCN(CC)C1=CC2=[N+](C3=C(C=CC(=C3)N=NC4=CC=C(C=C4)N(C)C)N=C2C=C1)C5=CC=CC=C5.[Cl-]
1.10 Isomers Smiles
CCN(CC)C1=CC2=[N+](C3=C(C=CC(=C3)N=NC4=CC=C(C=C4)N(C)C)N=C2C=C1)C5=CC=CC=C5.[Cl-]
2. Properties
2.1 Melting point
160 °C (dec.)(lit.)
2.1 Precise Quality
510.23000
2.1 PSA
47.97000
2.1 logP
3.99630
2.1 Solubility
H2O: 1 M hot, clear, colorless
2.2 Λmax
660nm, 395nm
2.3 Appearance
≤10(APHA) Powder
2.4 Storage
Ambient temperatures.
2.5 Chemical Properties
green powder
2.6 Color/Form
≤10(APHA)
2.7 Water Solubility
soluble in water (20 mg/ml at 20°C), ethanol, and slightly soluble in alcohol.
2.8 Stability
Stable. Incompatible with strong oxidizing agents.
2.9 StorageTemp
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
3. Use and Manufacturing
3.1 Methods of Manufacturing
It is obtained by coupling N, N-diethylphenol red with diazotization and N, N-dimethylaniline.
3.2 Purification Methods
The dye dissolves in H2O to give a bluish violet solution which becomes colourless when made 10M in NaOH. It dissolves in EtOH to give a blue-violet colour, filter from insoluble material, then add dry Et2O whereby the dye separates out leaving a small amount of blue colour in solution. Filter off the solid and dry it in a vacuum. Store it in a dark bottle. [Colour Index Vol 4, 3rd edn, 4015 1971.] Janus Green B Preparation Products And Raw materials Raw materials
3.3 Usage
As dye for cotton, wool; as biological stain; in electrodeposition of copper, Brown, Fellows, US 2882209 (1959 to Udylite Res. Corp.).
4. Safety and Handling
4.1 Hazard Codes
T
4.1 Risk Statements
R60
4.1 Safety Statements
S22;S24/25
4.1 RIDADR
NONH for all modes of transport
4.1 Safety Profile
Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion, skin contact, subcutaneous, and intramuscular routes. Human systemic effects by inhalation: nausea or vomiting. A skin and severe eye irritant. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of NOx. See also AMINES.
4.2 WGK Germany
3
4.2 RTECS
SG1633000
4.2 Safety
Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
4.3 Specification

green powder
Safety Statements:22-24/25-36
22:Do not breathe dust
24/25:Avoid contact with skin and eyes
36:Wear suitable protective clothing
5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

6. Other Information
6.0 Manufacturing Info
Phenazinium, 3-(diethylamino)-7-[2-[4-(dimethylamino)phenyl]diazenyl]-5-phenyl-, chloride (1:1): ACTIVE
6.1 Merck
14,5255
6.2 Chemical Properties
green powder
6.3 Uses
As dye for cotton, wool; as biological stain; in electrodeposition of copper, Brown, Fellows, US 2882209 (1959 to Udylite Res. Corp.).
6.4 Safety Profile
Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion, skin contact, subcutaneous, and intramuscular routes. Human systemic effects by inhalation: nausea or vomiting. A skin and severe eye irritant. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of NOx. See also AMINES.
6.5 Purification Methods
The dye dissolves in H2O to give a bluish violet solution which becomes colourless when made 10M in NaOH. It dissolves in EtOH to give a blue-violet colour, filter from insoluble material, then add dry Et2O whereby the dye separates out leaving a small amount of blue colour in solution. Filter off the solid and dry it in a vacuum. Store it in a dark bottle. [Colour Index Vol 4, 3rd edn, 4015 1971.]
6.6 Usage
Janus Green B is a stain that interacts with DNA and has been used for histology studies including mitochondrial staining, in which its oxidation and reduction reveals alterations to the electron transfer chain. The stain has been utilized in studies for effective and rapid staining of insect chordotonal organs and peripheral nerves, where the nerves appear dark blue in comparison to non stained tissue. With the use of Janus Green B, rabbit lymphatic vessel studies demonstrate that threadlike structures within the lymphatic vessels, known as Bonghan ducts, contain a high density of mitochondria in their cells.
7. Computational chemical data
  • Molecular Weight: 511.07g/mol
  • Molecular Formula: C30H31ClN6
  • Compound Is Canonicalized: True
  • XLogP3-AA: null
  • Exact Mass: 510.2298727
  • Monoisotopic Mass: 510.2298727
  • Complexity: 694
  • Rotatable Bond Count: 7
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 6
  • Topological Polar Surface Area: 48
  • Heavy Atom Count: 37
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Isotope Atom Count: 0
  • Covalently-Bonded Unit Count: 2
  • CACTVS Substructure Key Fingerprint: AAADceB7gAAEAAAAAAAAAAAAAAAAAAAAAAA8YMGCAAAAAACx/AAAHAAIAAAACAjBFgQywLMMEACiASRiRACCgCQhEiAImCA4dJgIYOLA0dGUJAhggADIyAcQAAAAAACAAAQAACAAAQAACAAAQAAAAAAAAA==
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