Molekula
5-Nitrosoquinolin-8-ol
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Nitrosoquinolin-8-ol is a nitroso derivative of quinoline, primarily used as a precursor in organic synthesis, particularly for dyes, pharmaceuticals, and agrochemicals. It appears as a yellow to orange crystalline solid with limited solubility in water but better solubility in organic solvents. Key catalogue details include a CAS number of 3565-26-2, molecular formula C9H6N2O2, and a molecular weight of 174.16 g/mol. Store at ambient conditions. The substance carries a Danger signal word due to its hazardous properties.
Molekula supplies 5-Nitrosoquinolin-8-ol at ≥ 99.09 % purity (HPLC) in 1 g and 5 g packs, from £78.48 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £65.40 per pack ex VAT · £78.48 inc. VAT
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5 g — £180.20 per pack ex VAT · £216.24 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow - Green powder |
| Purity (HPLC) | ≥ 99.09 % |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90037427 |
| CAS Number | 3565-26-2 |
| IUPAC Name | 5-nitrosoquinolin-8-ol |
| EC Number | 222-650-6 |
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 |
| Exact Mass | 174.0429 |
| SMILES | C1=CC2=C(C=CC(=C2N=C1)O)N=O |
| InChIKey | RZWRYPGAUIOOMK-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6N2O2/c12-8-4-3-7(11-13)6-2-1-5-10-9(6)8/h1-5,12H |
| PubChem CID | 19103 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29334970 |
| Tariff Code | 2933499090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 5-Nitroso-8-cinnolinol
- 5-Nitroso-8-hydroxyquinoline
- 5-Nitroso-8-quinolinol
- 5-Nitrosooxine
- 8-Hydroxy-5-nitrosoquinoline
- 8-QUINOLINOL, 5-NITROSO-
- Hydron III
- NCIMech_000145
- quinoline, 8-hydroxy-5-nitroso-
Frequently asked questions
What is 5-Nitrosoquinolin-8-ol commonly used for?
5-Nitrosoquinolin-8-ol is primarily used as a precursor in organic synthesis, including the production of dyes and pharmaceutical intermediates. For example, it can be oxidised to 5-nitro-8-hydroxyquinoline (nitroxoline) or reduced to 5-amino-8-hydroxyquinoline.
What is the chemical formula and molecular weight of 5-Nitrosoquinolin-8-ol?
The formula is C₉H₆N₂O₂, and the molecular weight is 174.16 g/mol.
How should 5-Nitrosoquinolin-8-ol be stored?
Store in a cool, dry place at ambient temperature, away from moisture, heat, and direct sunlight. Follow standard chemical storage practices for hazardous materials.
What grades or purities of 5-Nitrosoquinolin-8-ol does Molekula supply?
Molekula supplies 5-Nitrosoquinolin-8-ol with a specified purity of ≥ 99.09% (HPLC). Custom purities may be available upon request.
Can Molekula supply 5-Nitrosoquinolin-8-ol in bulk quantities?
Yes, Molekula can provide bulk quantities (1 kg and above) of 5-Nitrosoquinolin-8-ol, subject to availability and standard bulk ordering policies.
What documentation is provided with an order of 5-Nitrosoquinolin-8-ol?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a Danger label (Signal Word: Danger) as required by global regulations.
Where can I buy 5-Nitrosoquinolin-8-ol?
Directly from Molekula, which lists 5-Nitrosoquinolin-8-ol in 1 g and 5 g packs from £78.48 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is 5-Nitrosoquinolin-8-ol dangerous goods for shipping?
Yes. 5-Nitrosoquinolin-8-ol ships as dangerous goods: UN2811, class 6.1, packing group III.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.