1.59267
Metanil yellow
pH indicator, Reag. Ph Eur
Synonym(s):
Metanil yellow, 3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt
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About This Item
Product Name
Metanil yellow, Reag. Ph Eur
SMILES string
[Na+].[S](=O)(=O)([O-])c1cc(ccc1)N=Nc2ccc(cc2)Nc3ccccc3
InChI
1S/C18H15N3O3S.Na/c22-25(23,24)18-8-4-7-17(13-18)21-20-16-11-9-15(10-12-16)19-14-5-2-1-3-6-14;/h1-13,19H,(H,22,23,24);/q;+1/p-1
InChI key
NYGZLYXAPMMJTE-UHFFFAOYSA-M
agency
reag. Ph. Eur.
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)
color
brownish-yellow
pH
10 (20 °C, 10 g/L in H2O)
solubility
25 g/L
bulk density
330 kg/m3
storage temp.
no temp limit
Quality Level
Related Categories
Analysis Note
Transition range: pH 1.2 - 2.3
Sensitivity test: conforms
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 3 - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 2
Certificates of Analysis (COA)
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