1.10107
Arsenazo III
metal indicator
Synonym(s):
Arsenazo III, 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxynaphthaline-3,6-disulfonic acid
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Please contact Customer Service for Availability | CZK 35,200.00 |
About This Item
Product Name
Arsenazo III, metal indicator
Quality Segment
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
SMILES string
[As](=O)(O)(O)c1c(cccc1)N=Nc2c(c3c(cc2[S](=O)(=O)O)cc(c(c3O)N=Nc4c(cccc4)[As](=O)(O)O)[S](=O)(=O)O)O
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
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
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This Item | |||
|---|---|---|---|
| bulk density 850 kg/m3 | bulk density - | bulk density 700 kg/m3 | bulk density - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| pH 2.3 (20 °C, 10 g/L in H2O) | pH - | pH 6.1 (20 °C, 10 g/L in H2O) | pH - |
| storage temp. 2-30°C | storage temp. room temp | storage temp. 2-30°C | storage temp. - |
| loss ≤10% loss on drying, 110°C | loss - | loss - | loss - |
| form solid | form powder | form solid | form - |
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signalword
Danger
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1
wgk
WGK 3
hcodes
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
1668-00-4
Certificates of Analysis (COA)
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