1.01307
Titan yellow (C.I. 19540)
metal indicator, Reag. Ph Eur
Synonym(s):
Titan yellow (C.I. 19540), Clayton yellow, Naphthamine G, Thiazole yellow
About This Item
Recommended Products
product name
Titan yellow (C.I. 19540), indicator Reag. Ph Eur
Agency
reag. Ph. Eur.
Quality Level
form
solid
loss
≤8% loss on drying, 110°C
pH
5.1 (20 °C, 10 g/L in H2O)
mp
>300 °C (decomposition)
solubility
29 g/L
bulk density
310 kg/m3
λmax
398-402 nm (buffer pH 7.0)
storage temp.
2-30°C
InChI
1S/C28H21N5O6S4.2Na/c1-15-3-13-21-23(25(15)42(34,35)36)40-27(29-21)17-5-9-19(10-6-17)31-33-32-20-11-7-18(8-12-20)28-30-22-14-4-16(2)26(24(22)41-28)43(37,38)39;;/h3-14H,1-2H3,(H,31,32)(H,34,35,36)(H,37,38,39);;/q;2*+1/p-2
InChI key
CZIRZNRQHFVCDZ-UHFFFAOYSA-L
Analysis Note
Absorption maximum λmax. (buffer pH 7.0): 398 - 402 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 7.0; calc. on dried substance): ≥ 350
Transition range: pH 12.0 - pH 13.0Yellow - orange
Loss on drying (110 °C): ≤ 8 %
Suitability as reagent (for magnesium): passes test
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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