100994
Para Red
Dye content 95 %
Synonym(s):
1-(4-Nitrophenylazo)-2-naphthol, 1-(p-Nitrophenylazo)-2-naphthol
Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
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:
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.
signalword
Warning
hcodes
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
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
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
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
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
| SKU | GTIN |
|---|---|
| 100994-25G | 04061838665423 |