[B23375] CAS 525-05-3 | 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+% | Alfa
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Brand: Alfa Aesar
525-05-3 | C10H5NNa2O8S2 | nitroso-R salt
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Chemical Identifiers
CAS
525-05-3
Molecular Weight (g/mol)
377.25
MDL Number
MFCD00149246
Synonym
nitroso-R salt
SMILES
[Na+].[Na+].OC1=C(N=O)C2=CC=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O
InChI Key
DMKMTGULLYISBH-UHFFFAOYSA-L
Molecular Formula
C10H5NNa2O8S2
IUPAC Name
disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
Specifications
Loss on Drying
≤6.0% (200?C, constant wt.)
Appearance (Color)
Yellow to orange
Form
Crystalline powder or powder
Assay (Aqueous acid-base Titration)
≥90.0 to ≤110.0?C (dry wt. basis)
Assay (ex Sulphated Ash)
≥90.0 to ≤110.0?C (dry wt. basis)
설명
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.
Solubility
Slightly soluble in methanol and ethanol.
Notes
Store in a cool, dry conditions, in well sealed conditions. Store away from oxidizing agents.
Other References:
Merck Index:14,6644Beilstein:3643930
GHS Hazard and Precautionary Statements
Hazard Statements:H302+H312+H332-H315-H319-H335
GHS H StatementH315-H319-H335Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements:P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
Risk & Safety
TSCA:YesRTECS Number:QJ6480000
경고:RUO – Research Use Only
CAS525-05-3FORMULAC10H5NNa2O8S2EINECS208-369-1MDLMFCD00149246
| Pakage | 100g, 25g, 500g |
|---|---|
| brand | Alfa Aesar |
