Molekula

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt

SKU 65241957 CAS 525-05-3 C10H5NNa2O8S2 MW 377.261 In stock

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is a sulfonic acid derivative used in dye synthesis and analytical chemistry. It serves as an intermediate in the production of azo dyes and as a reagent in metal ion detection. Available in powder form, it has a molecular weight of 377.261 g/mol, a CAS number of 525-05-3, and is stable at ambient temperatures. Store under normal conditions with caution due to the warning signal word. Molekula supplies 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

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100 g — £113.50 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	Yellow crystal solid
Residue on Ignition	≤1.0%
Solubility in water	Pass

Storage & handling

Property	Value
Storage Temperature	Ambient
Shelf Life	60 months
Acidity	Acid

Identification

Property	Value
SKU	65241957
CAS Number	525-05-3
Molecular Formula	C10H5NNa2O8S2
Molecular Weight	377.261
SMILES	C1=CC2=C(C(=C(C=C2C=C1S(=O)(=O)[O-])S(=O)(=O)[O-])O)N=O.[Na+].[Na+]
REACH Code	Y110
TSCA Listed	Yes
HTS Code	2908998000
Tariff Code	2908990000

Safety & GHS

Warning

Health Hazard GHS07

Hazard statements

H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
P302+352 IF ON SKIN: Wash with soap and water
P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in PT, RU, IT, FR, ES, DE, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt used for?

It is primarily used as a reagent in analytical chemistry, particularly in the detection and quantification of certain metal ions and in dye synthesis.

What is the chemical formula and molecular weight?

The formula is C10H5NNa2O8S2 with a molecular weight of 377.261 g/mol.

How should this compound be stored?

Store at ambient temperature, protected from moisture and light.

What grade is available?

Available in analytical grade for laboratory use.

Can Molekula supply this in bulk?

Yes, bulk quantities are available upon request; please contact our sales team for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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