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100994

Para Red

Dye content 95 %

Synonym(s):

1-(4-Nitrophenylazo)-2-naphthol, 1-(p-Nitrophenylazo)-2-naphthol

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Pack SizeSKUAvailabilityPrice
25 g

Available to ship TODAYfromMILWAUKEE

$89.20

About This Item

Linear Formula:
O2NC6H4N=NC10H6OH
CAS Number:
Molecular Weight:
293.28
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
229-093-8
MDL number:

$89.20


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form

solid

Quality Level

composition

Dye content, 95%

mp

248-252 °C (lit.)

λmax

488 nm

SMILES string

Oc1ccc2ccccc2c1N=Nc3ccc(cc3)[N+]([O-])=O

InChI

1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H

InChI key

WOTPFVNWMLFMFW-UHFFFAOYSA-N

General description

Para Red is a biological stain. It is used as a fat soluble chemical dye and food additive. It is a banned colorant and a number of analytical techniques have been developed to detect it in food.

Biochem/physiol Actions

Para Red may be used to make standards for analysis.

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40446404365458848
form

solid

form

-

form

solid

form

powder

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

composition

Dye content, 95%

composition

-

composition

Dye content, 40%

composition

Dye content, 80%

mp

248-252 °C (lit.)

mp

248-252 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

λmax

488 nm

λmax

-

λmax

538 nm

λmax

-


pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Z X Xu et al.
Journal of food science, 75(1), C49-C54 (2010-05-25)
In this article, we prepared a novel imprinted polymer by a room temperature ionic liquid-mediated surface molecular imprinting technique in combination with a sol-gel process. This polymer was characterized by static and kinetic adsorption experiments and exhibited good recognition ability
Constantinos K Zacharis et al.
Talanta, 84(2), 480-486 (2011-03-08)
This work reports a fast and simple liquid chromatographic method for the simultaneous determination of five banned fat-soluble synthetic colorants, namely Sudan I-IV and Para-Red, in spice samples. The analytes were successfully separated isocratically in less than 5 min on
Fabio Mazzotti et al.
Journal of agricultural and food chemistry, 56(1), 63-67 (2007-12-07)
A high-throughput mass spectrometric method is presented for the simultaneous detection of Sudan I, II, III, IV, and Para-Red azodyes in foodstuff. The method is based on the use of deuterium-labeled internal standards and atmospheric pressure chemical ionization (APCI) in



Global Trade Item Number

SKUGTIN
100994-25G04061838665423

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