Standard Group - Fluorine Rubber Compounds|Fluoropolymer Additives
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FUCHSIN BASIC | CAS 632-99-5

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FUCHSIN BASIC Basic information

Product Name:FUCHSIN BASIC
Synonyms:P-ROSANILINE HYDROCHLORIDE;RASANILINE HYDROCHLORIDE;ROSANILINE;ROSANILINE CHLORIDE;ROSANILINE HCL;AFB STAIN;FUCHSIN RAL22 COLD AFB STAIN;FUCHSIN SOLUTION, DECOLORIZED R
CAS:632-99-5
MF:C20H20ClN3
MW:337.85
EINECS:211-189-6
Product Categories:Triphenylmethane;Dyes and Pigments
Mol File:632-99-5.mol

FUCHSIN BASIC Chemical Properties

Melting point 250 °C
Boiling point 300℃[at 101 325 Pa]
density 0.999 g/mL at 20 °C
bulk density500kg/m3
vapor pressure 0Pa at 25℃
refractive index n20/D 1.334
Fp 48 °F
storage temp. 2-8°C
solubility H2O: soluble1mg/mL
form liquid
Colour Index 42510
color Green to dark green
PH5-6 (1g/l, H2O, 25°C)
Water Solubility 4 G/L (25 ºC)
λmax543 nm
Merck 14,5652
BRN 4166684
Biological ApplicationsDetecting cancer; treating Jock itch,oral fungal infection,piles; periodontal disease
Cosmetics Ingredients FunctionsCOLORANT
HAIR DYEING
LogP1.632 at 25℃
IARC2B (Vol. Sup 7, 57, 99, 100F) 2012
EPA Substance Registry SystemC.I. Basic Violet 14 (632-99-5)

Safety Information

Hazard Codes F,Xn
Risk Statements 40-22
Safety Statements 7-16-36/37
WGK Germany 3
RTECS CX9850000
TSCA Yes
HS Code 3204 13 00
Hazardous Substances Data632-99-5(Hazardous Substances Data)

MSDS Information

ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English

FUCHSIN BASIC Usage And Synthesis

UsesDefinitionAir & Water ReactionsFire HazardClinical UsePurification Methods
Chemical PropertiesGreen crystal powder
As a dye or in manufacture of other dyes.
UsesBiological stain for distinguishing coli and aerogene bacteriaBasic Fuchsin is useful for Ziehl-Neelson staining to detect acid-fast bacilli. It is also used to stain tubercle bacillus and bacterial flagella. It plays an important role for tissue sections to visualize elastic fibers, cardiac and skeletal muscle tissue. It also acts as bacterial and histological stains. Further, it is used to stain cellular elements, certain tissues, bacteria and also acts as a local anti-infective.
ChEBI: A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin.
General DescriptionDark green powder. A dye derived from triphenylmethane.
Slightly soluble in water.
Reactivity ProfileFUCHSIN BASIC neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides. Easily reduced to colorless leuco-bases .
Flash point data for FUCHSIN BASIC are not available, but FUCHSIN BASIC is probably combustible.
Flammability and ExplosibilityNot classified
Basic fuchsin is a mixture of the chlorides of rosaniline andp-rosaniline. It exists as a green crystalline powder with ametallic appearance. The compound is soluble in water andin alcohol but insoluble in ether. Basic fuchsin is a componentof carbol–fuchsin solution (Castellani’s paint), which isused topically in the treatment of fungal infections, notablyringworm and athlete’s foot.
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

VIOLET

LIGHTING

4-5

SOAPING

4-5

PERSPIRATING

4-5

FRICTION(DRY)

4-5

FRICTION(WET)

4

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

WEIGHT METAL TOTAL

50ppm max

Purify the dye by dissolving it in EtOH, filtering and adding H2O. Filter or centrifuge it and wash the precipitate with Et2O and dry it in air. It has also been recrystallised from water and dried in vacuo at 40o. The crystals have a metallic green lustre. It has UV max in EtOH at 543nm ( 93,000). Its solubility in H2O is 0.26%. A carmine red colour is obtained in EtOH. It is paraRosaniline with a methyl group. [Scalan J Am Chem Soc 57 887 1937.]

FUCHSIN BASIC Preparation Products And Raw materials

Raw materialsZinc chloride-->Calcium carbonate-->o-Toluidine-->4-Nitrotoluene-->Ferrous chloride-->2-Nitrotoluene-->o-Toluidine-->Aniline-->Nitrobenzene-->p-Toluidine
Preparation ProductsPYRROLE BLUE-->ANILINE BLUE (SPIRIT SOLUBLE)-->CI 46045

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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