114669
4-(4-Nitrophenylazo)resorcinol
Dye content 90 %
Synonym(s):
Azoviolet, Magneson I
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About This Item
Linear Formula:
O2NC6H4N=NC6H3-1,3-(OH)2
CAS Number:
Molecular Weight:
259.22
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
200-808-5
Beilstein/REAXYS Number:
674709
MDL number:
form
powder
Quality Level
composition
Dye content, 90%
mp
195-200 °C (dec.) (lit.)
λmax
432 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
Oc1ccc(\N=N\c2ccc(cc2)[N+]([O-])=O)c(O)c1
InChI
1S/C12H9N3O4/c16-10-5-6-11(12(17)7-10)14-13-8-1-3-9(4-2-8)15(18)19/h1-7,16-17H/b14-13+
InChI key
NGPGYVQZGRJHFJ-BUHFOSPRSA-N
Biochem/physiol Actions
4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)2 in alkaline solution. It is mainly used for determining the presence of magnesium in the solution.
4-(4-Nitrophenylazo)resorcinol is a pH indicator.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Cheng K L
CRC Handbook of Organic Analytical Reagents (1992)
Kuang Lu Cheng, Keihei Ueno, Toshiaki Imamura
CRC Handbook of Organic Analytical Reagents (1992)
Highly sensitive determination method for total carbonate in water samples by flow injection analysis coupled with gas-diffusion separation.
Oshima M, et al.
Analytical Sciences, 17, 1285-1290 (2001)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 114669-100G | 04061838702838 |
| 114669-25G | 04061838702845 |