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B23375 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%

CAS Number
525-05-3
Synonyms
1-Nitroso-R-salt

Stock No. Size Price ($) Quantity Availability
B23375-14 25g 37.20
B23375-22 100g 94.40
B23375-36 500g 389.00
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1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%

MDL
MFCD00003885
EINECS
208-369-1

Chemical Properties

Formula
C10H5NNa2O8S2
Formula Weight
377.26
Melting point
>300°
Storage & Sensitivity
Ambient temperatures.
Solubility
Slightly soluble in methanol and ethanol.

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.

Notes

Store in a cool, dry conditions, in well sealed conditions. Store away from oxidizing agents.

Literature References

Erdal Kendüzler; Ali Rehber Türker. Determination of trace cadmium in waters by flame atomic absorption spectrophotometry after preconcentration with 1-nitroso-2-naphthol-3,6-disulfonic acid on Ambersorb 572. Annali di Chimica. 2005, 95 (1-2), 77-85.

J Miura; S Arima; M Satake.Column chromatographic pre-concentration of iron(III) in alloys and biological samples with 1-nitroso-2-naphthol-3,6-disulphonate and benzyldimethyltetradecylammonium-perchlorate adsorbent supported on naphthalene using atomic absorption spectrometry. Analyst (Cambridge UK). 1960, 115 (9), 1191-1195.

Reagent for determination of Co and other metals.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H312-H315-H319-H332-H335

Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,6644
Beilstein
3643930
Harmonized Tariff Code
2908.99
TSCA
Yes
RTECS
QJ6480000

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