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A5424712

MagnesonⅠ , AR , 74-39-5

Synonym(s):
4-(4-Nitrophenylazo)-resorcinol;Azoviolet;Magneson I

CAS NO.:74-39-5

Empirical Formula: C12H9N3O4

Molecular Weight: 259.22

MDL number: MFCD00007310

EINECS: 200-808-5

Pack Size Price Stock Quantity
25G RMB62.40 In Stock
100g RMB184.80 In Stock
500g RMB789.60 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 195-200 °C (dec.)(lit.)
Boiling point: 402.47°C (rough estimate)
Density  1.3450 (rough estimate)
refractive index  1.5700 (estimate)
storage temp.  Store below +30°C.
form  Powder
pka 8.05±0.35(Predicted)
color  Orange-red to red
Odor Odorless
Water Solubility  Soluble in dilute sodium hydroxide. Insoluble in water.
Merck  14,5695
BRN  674709
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.

Description and Uses

4-(4-Nitrophenyl)azoresorcinol is used for the detection of magnesium with which it yields a bright blue color in alkaline solution and it also used to determine molybdenum with which it forms a red-violet complex: Nikitina, Andrianova, C.A. 75, 136789v (1971).

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements  36/38
Safety Statements  26-36
WGK Germany  3
RTECS  VH2810000
TSCA  Yes
HS Code  29270000

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