Molekula
Nitric acid 50%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · 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.
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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.
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.