ChemicalBook CAS DataBase List 3248-91-7

3248-91-7

Name	Basic Violet 2
CAS	3248-91-7
EINECS(EC#)	221-831-7
Molecular Formula	C22H24ClN3
MDL Number	MFCD00012567
Molecular Weight	365.9
MOL File	3248-91-7.mol

Chemical Properties

Appearance	solid
Boiling point	300°C[at 101 325 Pa]
density	0.692[at 20°C]
vapor pressure	0Pa@25°C
storage temp.	Store at +5°C to +30°C.
solubility	10g/l
Colour Index	42520
form	Crystals or Crystalline Powder
color	Dark green
PH	3-4 (10g/l, H2O, 20℃)
Stability:	Stable. Incompatible with strong oxidizing agents.
Water Solubility	20g/L
BRN	8740867
Uses	Textiles and leather industries, red dye, pharmaceutical. less more
CAS DataBase Reference	3248-91-7(CAS DataBase Reference)
EPA Substance Registry System	3248-91-7(EPA Substance)

Safety Data

Hazard Codes	Xn,Xi
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . R40:Limited evidence of a carcinogenic effect. R36:Irritating to the eyes. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36/37:Wear suitable protective clothing and gloves . S24/25:Avoid contact with skin and eyes . less more
RIDADR	UN 3077 9 / PGIII
WGK Germany	3
RTECS	CX9825000
HS Code	32041300

Hazard Information

Hazard

Possible carcinogen.

Chemical Properties

solid

Definition

ChEBI: A hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the minor constituents of Basic fuchsin, together with pararosanilin, rosanilin and magenta II.

Preparation

Commonly known as the New Magenta. 4 – (4-Amino-3-methylbenzyl)-2-methylbenzenamine with O-Methylaniline its hydrochloride salt is heated in the presence of an oxidizing agent.

General Description

The dry dye New fuchsin (C.I. 42520) for microscopy Certistain^?, is used for the preparation of a staining solution that can be used for staining of histological tissue sections or other samples of human origin according to Ziehl-Neelsen, Gram staining as well as in combination with Schiff′s reagent. As a Certistain^? dye it is chemically quality-certified according to highest standards and strict specifications. New fuchsin belongs to the group of triaminotriphenylmethane dyes.
The dye is used in Ziehl-Neelsen and Gram staining as well as for methods with Schiff′s reagent.
The cell wall of acid-fast bacteria (AFB) has a high proportion of wax and lipids and hence absorbs dyes only very slowly. As a measure to enhance the absorption of the fuchsin dye and thus the formation of the mycolate-fuchsin complex in the cell wall, the carbolfuchsin solution applied to the specimen is normally heated to evaporation point. If the Kinyoun carbolfuchsin solution is used, the heating of the solution is dispensable. Consequently, the release of hazardous phenolic vapors will be avoided.
Once the AFB have absorbed the fuchsin dye, it is virtually impossible to decolorize them again, even when they are intensively treated with a decolorizing solution such as e. g. hydrochloric acid in ethanol. Accordingly, AFB are termed as acid- and alcohol-fast for staining, and are stained red in the microscopic visualization. Correspondingly, all non-acid-fast microorganisms are counterstained with an appropriate dye.
Pretreatment of the specimens with Sputofluol? dissolves the bacteria from the surrounding viscid sputum and cell material. Sputofluol^? also has a disinfectant effect, with the result that any microorganisms that are present are killed off. It is registered as IVD and certified as CE product. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Flammability and Explosibility

Notclassified(100%)

Properties and Applications

dark red light purple. Soluble in water and ethanol is red. The strong sulfuric acid for yellow until golden brown, diluted into light yellow. Dyes to join sodium hydroxide solution appears orange brown precipitation.

Standard	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
Standard	Light Fastness	Fading	Stain	Fading	Stain	Fading	Stain
ISO	3	4	4-5			4-5	5
AATCC	3

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

Supplier

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