1.08294
Thorin
indicator for sulfate titration
Synonym(s):
Thorin, 1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulfonic acid sodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)-benzene-arsonic acid sodium salt
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About This Item
Product Name
Thorin, indicator for sulfate titration
SMILES string
[As](=O)([O-])([O-])c1c(cccc1)N\N=C2/c3c(cc(cc3)[S](=O)(=O)O)C=C(C/2=O)[S](=O)(=O)O.[Na+].[Na+]
InChI
1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,18H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b19-15+;;
InChI key
ZQMPNLOZJUWHSA-WTBAQZMLSA-L
form
solid
impurities
≤25% Water (Karl Fischer)
pH
6.1 (20 °C, 10 g/L in H2O)
bulk density
700 kg/m3
λmax
480-490 nm (propan-2-ol)
storage temp.
2-30°C
Quality Level
Related Categories
Analysis Note
Absorption maximum λmax. (Propan-2-ol): 480 - 490 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l;propan-2-ol; calc. on anhydrous substance): 250 - 350
Water (according to Karl Fischer): ≤ 25 %
Suitability as indicator (for sulfate titration): passes test
signalword
Danger
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
hcodes
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
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.
Poisonous substance
pdsc
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
1082940000: + 1082940005:
jan
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1.08294.0005 | 04022536102160 |
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