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Molekula

Molekula

Nitric acid (70%)

SKU 13860773 CAS 7697-37-2 HNO3 MW 63.01 In stock Bulk quantities on request

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 (70%) is a highly corrosive mineral acid widely used in fertilizer production, metal processing, and laboratory applications for nitration reactions. This concentrated aqueous solution delivers strong oxidizing properties essential for industrial and analytical processes. CAS 7697-37-2, molecular formula HNO₃, molecular weight 63.01 g/mol. Store at ambient temperatures in properly labeled, corrosion-resistant containers. Signal word: Danger. Molekula supplies nitric acid (70%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

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  • 1 L — £40.00 per pack ex VAT · £48.00 inc. VAT
  • 2.5 L — £55.90 per pack ex VAT · £67.08 inc. VAT
  • 500 mL — £28.00 per pack ex VAT · £33.60 inc. VAT

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Specifications

Property Value
Appearance Colourless to pale yellow liquid
Assay ≥69.0%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8 (5.1)
Packing Group II
Acidity Acid

Identification

Property Value
SKU 13860773
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

Danger
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06

Hazard statements

  • EUH071 Corrosive to the respiratory tract
  • H272 May intensify fire; oxidizer
  • H290 May be corrosive to metals
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage
  • H331 Toxic if inhaled

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P220 Keep/Store away from clothing/combustible materials
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P284 Wear respiratory protection
  • P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • 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
  • P390 Absorb spillage to prevent material damage

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 70% nitric acid commonly used for?

70% nitric acid is widely used in laboratories for chemical synthesis, metal etching, and as a reagent in analytical chemistry, as well as in industrial processes like fertilizer production and explosives manufacturing.

What is the molecular formula and molecular weight of 70% nitric acid?

The molecular formula is **HNO₃**, and the molecular weight is **63.01 g/mol** (for the anhydrous form).

How should 70% nitric acid be stored?

Store in a tightly sealed container at **ambient temperature**, away from organic materials, reducing agents, and incompatible substances like metals (e.g., copper, zinc). Use a fume hood or ventilated area.

What grades of nitric acid does Molekula supply, and is 70% available?

Molekula supplies **technical and reagent grades** of nitric acid, and **70% concentration is available** upon request. Confirm specifications for your intended application.

Can Molekula supply 70% nitric acid in bulk quantities?

Yes, we offer **bulk packaging options** (e.g., 25L, 55-gallon drums, or IBCs) for 70% nitric acid. Contact us for pricing and lead times based on your volume requirements.

What documentation is provided with a nitric acid order?

Each order includes a **Certificate of Analysis (CoA)**, **Safety Data Sheet (SDS)**, and **Material Safety Information** to ensure compliance with handling and regulatory requirements.

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