1.10107
Arsenazo III
metal indicator
Synonym(s):
Arsenazo III, 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxynaphthaline-3,6-disulfonic acid
About This Item
Recommended Products
product name
Arsenazo III, metal indicator
Quality Level
form
solid
loss
≤10% loss on drying, 110°C
pH
2.3 (20 °C, 10 g/L in H2O)
bulk density
850 kg/m3
λmax
569-576 nm (buffer pH 10.0)
storage temp.
2-30°C
InChI
1S/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)
InChI key
UQHVTNUJRKELCE-UHFFFAOYSA-N
Related Categories
Analysis Note
Absorption maximum λmax. (buffer pH 10.0): 569 - 576 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 10.0; calculated on dried substance): 300 - 450
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator: passes test
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1
Storage Class Code
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
Regulatory Listings
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PDSCL
Poisonous substance
ISHL Indicated Name
Substances Subject to be Indicated Names
ISHL Notified Names
Substances Subject to be Notified Names
Certificates of Analysis (COA)
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