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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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About This Item

Linear Formula:
O2NC6H4N=NC10H6OH
CAS Number:
6410-10-2
Molecular Weight:
293.28
NACRES:
NA.47
PubChem Substance ID:
24846529
UNSPSC Code:
12171500
EC Number:
229-093-8
MDL number:
MFCD00003908
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form

solid

Quality Segment

100

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.

pictograms

Exclamation mark
GHS07

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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