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1.04174

Sigma-Aldrich

Pararosaniline (chloride) (C.I. 42500)

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About This Item

Empirical Formula (Hill Notation):
C19H18ClN3
CAS Number:
569-61-9
Molecular Weight:
323.82
MDL number:
MFCD00001657
UNSPSC Code:
41116130
NACRES:
NA.21

form

crystalline

Quality Level

200

mp

268-270 °C

solubility

10 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-30°C

InChI

1S/C19H17N3.ClH/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15;/h1-12,20H,21-22H2;1H

InChI key

JUQPZRLQQYSMEQ-UHFFFAOYSA-N

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General description

Pararosaniline (chloride) (C.I. 42500) for microscopy Certistain®, is a solid dye used to prepare the Schiff’s reagent required for the PAS reaction, for the staining of mucopolysaccharides in histological tissue specimens. The PAS (periodic acid Schiff) reaction is one of the most frequently used chemical methods for histology. As CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain®

Legal Information

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H350

Hazard Classifications

Carc. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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