Molekula
Nitric acid 50%
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
Nitric acid (50%) is a highly corrosive mineral acid used in industrial processes, including fertilizer production, metal refining, and explosives manufacturing. It is also essential in laboratory settings for analytical chemistry and synthesis. This 50% aqueous solution has a CAS number of 7697-37-2, with the molecular formula HNO₃ and a molecular weight of 63.01 g/mol. It requires careful handling due to its hazardous nature, marked by a "Danger" signal word. Store at ambient temperatures in properly labeled, compatible containers. Molekula supplies Nitric acid 50% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Colourless to pale yellow solution |
| Nitric acid | 49-51% |
| Specific gravity (20 ºC) | nominally 1.307-1.322 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90032625 |
| CAS Number | 7697-37-2 |
| IUPAC Name | nitric acid |
| EC Number | 231-714-2 |
| Molecular Formula | HNO3 |
| Molecular Weight | 63.01 |
| Exact Mass | 62.9956 |
| SMILES | [N+](=O)(O)[O-] |
| InChIKey | GRYLNZFGIOXLOG-UHFFFAOYSA-N |
| InChI | InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4) |
| PubChem CID | 944 |
| UN Number | UN2031 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2808.00.0010 |
| Tariff Code | 2808000000 |
Safety & GHS
-
Oxidizing
GHS03
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H272 May intensify fire; oxidizer
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H331 Toxic if inhaled
Precautionary statements
- P260 Do not breathe 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
Documents
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
- Acide nitrique
- Acidum nitricum
- Aqua fortis
- Azotic acid
- HNO3
- Nital
- Nitricum acidum
- Nitrous fumes
- Nitryl hydroxide
- Salpetersaeure
Frequently asked questions
What is nitric acid (50%) commonly used for?
Nitric acid (50%) is widely used in industrial applications such as fertilizer production (e.g., ammonium nitrate), metal cleaning and etching, explosives manufacturing, and as a reagent in laboratories for nitration reactions.
What is the chemical formula and molecular weight of 50% nitric acid?
The chemical formula is HNO₃, and the molecular weight is 63.01 g/mol (for the anhydrous form; the 50% aqueous solution includes water).
How should 50% nitric acid be stored?
Store in a cool, well-ventilated area in tightly sealed, compatible containers (e.g., HDPE or glass-lined steel) at ambient temperature, away from organic materials, reducing agents, and incompatible substances.
What grades of nitric acid (50%) does Molekula supply?
Molekula supplies technical-grade (industrial) 50% nitric acid, meeting standard specifications for purity and performance in manufacturing and processing applications.
Can Molekula supply 50% nitric acid in bulk quantities?
Yes, we offer bulk supply options for 50% nitric acid, including IBC totes (1000L) and drum quantities (typically 30L or 250L), depending on customer requirements and logistics.
What documentation comes with an order of 50% nitric acid?
Each order includes a Material Safety Data Sheet (MSDS/SDS), certificate of analysis (CoA) with purity and impurity data, and a compliance certificate for REACH, GHS, and other regulatory requirements as applicable.
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.