nitric acid

• ChemBase ID: 128614
• Molecular Formular: HNO3
• Molecular Mass: 63.01284
• Monoisotopic Mass: 62.9956429
• SMILES: [N+](=O)(O)[O-]
• Canonical SMILES: [O-][N+](=O)O
• InChI: InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)
• InChIKey: GRYLNZFGIOXLOG-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: nitric acid
• IUPAC Traditional name: acid, nitric
• Synonyms: Nitric acid; Nitric acid solution; Nitric acid concentrate; Nitric acid, ACS; Nitric acid, ACS, fuming; Nitric acid, Environmental Grade; Nitric acid, Environmental Grade Plus; Nitric acid, 1.0N Standardized Solution; Aqua fortis; Azotic acid; Nitric acid, 0.1N Standardized Solution; Nitric acid; Nitric acid solution; 硝酸; 硝酸, ACS; 发烟硝酸, ACS; 硝酸, 环境级; 硝酸, 环境级加; 硝酸, 1.0N 标准溶液; 硝酸, 0.1N 标准溶液; 硝酸 溶液

Database IDs

• CAS Number: 7697-37-2
• EC Number: 231-791-2; 231-714-2
• MDL Number: MFCD00011349
• Merck Index: 146577
• PubChem SID: 24863913; 24853516; 24865156; 24888196; 24888199; 24865070; 24867421; 24865063; 24850322; 24846000; 24855629; 24865121; 24859146; 24862441; 24861809; 24863719; 24849754; 24858556; 24859147; 24861800; 24863911; 24845344; 24855630; 24867130; 24861807; 24858560; 24888198; 24858707; 162222921; 24887245; 24888197
• PubChem CID: 944
• CHEBI ID: 48107
• CHEMBL: 1352
• Chemspider ID: 919
• Gmelin ID: 1576
• KEGG ID: D02313
• MeSH Name: Nitric+acid
• Unique Ingredient Identifier: 411VRN1TV4
• Wikipedia Title: Nitric_acid

CALCULATED PROPERTIES

• Acid pKa: -1.3999903
• H Acceptors: 3
• H Donor: 1
• LogD (pH = 5.5): 0.8368004
• LogD (pH = 7.4): 0.8368004
• Log P: -0.19802316
• Molar Refractivity: 9.4688 cm^3
• Polarizability: 3.677472 Å^3
• Polar Surface Area: 63.37 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Completely miscible in water; Very soluble in water and ether. Decomposes in alcohol
• Apperance: APHA: ≤10; Colorless liquid; colorless to pale amber; Liquid; Liquid, double sub-boiling quartz distillation; Liquid, single sub-boiling quartz distillation; red
• Melting Point: -40°C; -42°C
• Boiling Point: 120.5 °C(lit.); 121°C; 83°C (68% solution boils at 121 °C)
• Flash Point: Non-flammable
• Density: 1.005 g/mL at 25 °C; 1.035 g/mL at 25 °C; 1.37-1.41 g/mL at 20 °C(lit.); 1.38; 1.40; 1.41; 1.41 g/mL at 20 °C; 1.413 g/mL at 20 °C(lit.); 1.413 g/mL at 25 °C; 1.42; 1.48 g/mL at 20 °C(lit.); 1.483; 1.50; 1.5129 g cm^-3; 1.52
• Refractive Index: 1.397 (16.5 °C)
• Vapor Pressure: 6.6 mmHg ( 20 °C); 8 mmHg ( 20 °C)
• Vapor Density: 1 (vs air); 1.3 (vs air)
• pKa: -1.4
• Dipole Moment: 2.17 ± 0.02 D
• Std enthalpy of formation: -207 kJ·mol^-1
• Std molar entropy: 146 J·mol^-1·K^-1

Safety Information

• Storage Warning: Hygroscopic
• RTECS: QU5775000; QU5900000
• European Hazard Symbols: Corrosive (C); Oxidising (O); Toxic (T); Highly toxic (T+); Irritant (Xi)
• UN Number: 2031; 2032; 3264; UN2031; UN2032; UN3624
• German water hazard class: 1; 2; 3
• Hazard Class: 8
• Packing Group: 1; 2; 3; I; II; III
• Risk Statements: 34; 35; 36/38; 8-20-35; 8-26/27-35; 8-35; R8 R35
• Safety Statements: 23-26-36-45; 26; 26-28-36/37/39-45; 26-36/37/39-45; 26-36/37/39-45-60; 26-36-45; S1/2 S23 S26 S36 S45
• TSCA Listed: 是
• EU Index: 007-004-00-1
• GHS Pictograms: GHS03; GHS05; GHS06; GHS07
• GHS Signal Word: Danger; Warning
• NFPA704:
  

  0

  4

  0

  OX
• GHS Hazard statements: H272-H311 + H331-H314; H272-H314; H272-H314-H335; H272-H330-H314-H318; H314; H314-H272; H315-H319; H330-H314-H318
• GHS Precautionary statements: P220-P261-P280-P305 + P351 + P338-P310; P220-P280-P305 + P351 + P338-P310; P221-P210-P303+P361+P353-P305+P351+P338-P405-P501A; P221-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501A; P280-P303+P361+P353-P305+P351+P338-P310; P280-P305 + P351 + P338-P310; P305 + P351 + P338
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 2031 8/PG 1; UN 2031 8/PG 2; UN 2032 8/PG 1; UN 3264 8/PG 3
• Storage Temperature: 2-8°C

Product Information

• Purity: >90%; ≥65%; ≥65% (T); ≥69%; ≥69.0%; ≥69.0% (T); ≥90.0%; ≥97.0%; ≥99% (T); ≥99.5%; ≥99.999% trace metals basis; 60.0-61.0%; 60.0-62.0%; 64-66%; 65.0-66.0%; 65-70%, 99.999% (metals basis); 65-70%, 99.9999% (metals basis); 67-70%; 68.0-70.0%; 68.0-70.0% (ACS specification); 68-70%; 69.0-70.0%; 69-70%; 70%; 90%; 90.0-94.0%
• Concentration: >90%; 0.0950-0.1050 N (Exact value stated on label); 0.1 M; 0.1 M HNO3 (0.1N); 0.1 M HNO3 in H2O (0.1N); 0.950-1.050 N (Exact value stated on label); 1 M; 1 M HNO3 (1N); 1 N; 1.0 M HNO3 (1.0N); 1.0N; 1/10 N; 2 M HNO3 (2N); 25%; 65-70%
• Grade: ACS reagent; AR grade; JIS special grade; meets analytical specification of BP, Ph Eur, Ph Franç, USP, FCC, E339; puriss.; puriss. p.a.; puriss. p.a. plus; purum p.a.; reagent grade; SAJ first grade; SAJ super special grade; semiconductor grade MOS PURANAL™ (Honeywell 17920); semiconductor grade PURANAL™ (Honeywell 17818); semiconductor grade PURANAL™ (Honeywell 17952); semiconductor grade VLSI PURANAL™ (Honeywell 17512); TraceSELECT®; TraceSELECT® Ultra
• Compostion: HNO3, >90%
• Packaging: pkg of 0.1 mol (6.301 g HNO3); pkg of 1.0 mol (63.013 g HNO3)
• Suitability: passes test for suitability for det. with dithizone; suitable for determination of toxic metals
• Ignition Residue: ≤0.0002% (as SO4); ≤0.0005% (as SO4); ≤0.001% (as SO4); ≤0.002%; ≤5 ppm
• Impurities: ≤0.0005% heavy metals (as Pb); 5-10% dissolved oxides as N2O3
• Cation Traces: Ag: ≤0.01 mg/kg; Ag: ≤0.01 μg/kg; Ag: ≤0.5 μg/kg; Al: ≤0.01 mg/kg; Al: ≤0.05 mg/kg; Al: ≤0.05 μg/kg; Al: ≤0.5 mg/kg; Al: ≤5 μg/kg; As: ≤0.01 mg/kg; As: ≤0.01 ppm; As: ≤0.1 μg/kg; As: ≤0.3 ppm; As: ≤0.5 μg/kg; As: ≤0.7 ppm; As: ≤1 mg/kg; Au: ≤0.01 mg/kg; Au: ≤0.02 μg/kg; Au: ≤1 μg/kg; B: ≤0.01 mg/kg; Ba: ≤0.01 mg/kg; Ba: ≤0.01 μg/kg; Ba: ≤0.02 mg/kg; Ba: ≤0.5 μg/kg; Be: ≤0.01 mg/kg; Be: ≤0.01 μg/kg; Be: ≤0.02 mg/kg; Be: ≤0.5 μg/kg; Bi: ≤0.01 mg/kg; Bi: ≤0.01 μg/kg; Bi: ≤0.1 mg/kg; Bi: ≤0.5 μg/kg; Ca: ≤0.01 mg/kg; Ca: ≤0.1 mg/kg; Ca: ≤0.1 μg/kg; Ca: ≤0.5 mg/kg; Ca: ≤1 mg/kg; Ca: ≤10 mg/kg; Ca: ≤10 μg/kg; Ca: ≤5 mg/kg; Cd: ≤0.01 mg/kg; Cd: ≤0.01 μg/kg; Cd: ≤0.5 μg/kg; Cd: ≤5 mg/kg; Ce: ≤0.01 μg/kg; Ce: ≤0.5 μg/kg; Co: ≤0.01 mg/kg; Co: ≤0.02 μg/kg; Co: ≤0.5 μg/kg; Co: ≤5 mg/kg; Cr: ≤0.01 mg/kg; Cr: ≤0.02 mg/kg; Cr: ≤0.05 μg/kg; Cr: ≤0.1 mg/kg; Cr: ≤1 μg/kg; Cr: ≤5 mg/kg; Cs: ≤0.01 μg/kg; Cs: ≤0.5 μg/kg; Cu: ≤0.01 mg/kg; Cu: ≤0.02 μg/kg; Cu: ≤0.5 μg/kg; Cu: ≤5 mg/kg; Dy: ≤0.01 μg/kg; Er: ≤0.01 μg/kg; Eu: ≤0.01 μg/kg; Fe: ≤0.01 mg/kg; Fe: ≤0.1 mg/kg; Fe: ≤0.1 μg/kg; Fe: ≤0.2 mg/kg; Fe: ≤0.2 ppm; Fe: ≤1 mg/kg; Fe: ≤10 mg/kg; Fe: ≤2 ppm; Fe: ≤5 mg/kg; Fe: ≤5 μg/kg; Ga: ≤0.01 mg/kg; Ga: ≤0.01 μg/kg; Ga: ≤0.5 μg/kg; Gd: ≤0.01 μg/kg; Ge: ≤0.01 mg/kg; Ge: ≤0.01 μg/kg; Ge: ≤0.05 mg/kg; Ge: ≤0.5 mg/kg; Ge: ≤0.5 μg/kg; heavy metals (as Pb): ≤0.2 ppm; heavy metals (as Pb): ≤5 ppm; Hf: ≤0.01 μg/kg; Hg: ≤0.005 mg/kg; Hg: ≤0.01 mg/kg; Hg: ≤0.5 μg/kg; Ho: ≤0.01 μg/kg; In: ≤0.01 mg/kg; In: ≤0.02 μg/kg; In: ≤0.5 μg/kg; Ir: ≤0.01 μg/kg; K: ≤0.01 mg/kg; K: ≤0.05 mg/kg; K: ≤0.1 mg/kg; K: ≤0.1 μg/kg; K: ≤10 μg/kg; K: ≤50 mg/kg; La: ≤0.01 μg/kg; Li: ≤0.01 mg/kg; Li: ≤0.01 μg/kg; Li: ≤0.5 μg/kg; Lu: ≤0.01 μg/kg; Mg: ≤0.01 mg/kg; Mg: ≤0.05 μg/kg; Mg: ≤0.1 mg/kg; Mg: ≤0.2 mg/kg; Mg: ≤1 μg/kg; Mg: ≤5 mg/kg; Mn: ≤0.01 mg/kg; Mn: ≤0.01 μg/kg; Mn: ≤0.5 μg/kg; Mn: ≤5 mg/kg; Mo: ≤0.01 mg/kg; Mo: ≤0.01 μg/kg; Mo: ≤0.02 mg/kg; Mo: ≤0.5 μg/kg; Na: ≤0.01 mg/kg; Na: ≤0.1 μg/kg; Na: ≤0.5 mg/kg; Na: ≤10 μg/kg; Na: ≤5 mg/kg; Na: ≤50 mg/kg; Nb: ≤0.01 μg/kg; Nd: ≤0.01 μg/kg; Ni: ≤0.01 mg/kg; Ni: ≤0.02 mg/kg; Ni: ≤0.05 μg/kg; Ni: ≤1 μg/kg; Ni: ≤5 mg/kg; Pb: ≤0.01 mg/kg; Pb: ≤0.01 μg/kg; Pb: ≤0.5 μg/kg; Pb: ≤5 mg/kg; Pd: ≤0.05 μg/kg; Pr: ≤0.01 μg/kg; Pt: ≤0.01 mg/kg; Pt: ≤0.02 μg/kg; Pt: ≤0.5 μg/kg; Rb: ≤0.01 μg/kg; Rb: ≤0.5 μg/kg; Re: ≤0.01 μg/kg; Rh: ≤0.01 μg/kg; Ru: ≤0.01 μg/kg; Sb: ≤0.01 mg/kg; Sb: ≤0.01 μg/kg; Sb: ≤0.5 μg/kg; Sc: ≤0.05 μg/kg; Se: ≤0.1 μg/kg; Se: ≤1 μg/kg; Sm: ≤0.01 μg/kg; Sn: ≤0.01 mg/kg; Sn: ≤0.05 μg/kg; Sn: ≤0.5 μg/kg; Sr: ≤0.01 mg/kg; Sr: ≤0.01 μg/kg; Sr: ≤0.5 μg/kg; Tb: ≤0.01 μg/kg; Te: ≤0.01 μg/kg; Th: ≤0.01 μg/kg; Ti: ≤0.01 mg/kg; Ti: ≤0.01 μg/kg; Ti: ≤0.1 mg/kg; Ti: ≤1 μg/kg; Tl: ≤0.01 mg/kg; Tl: ≤0.01 μg/kg; Tl: ≤0.05 mg/kg; Tl: ≤0.5 mg/kg; Tl: ≤0.5 μg/kg; Tm: ≤0.01 μg/kg; U: ≤0.01 μg/kg; U: ≤0.5 μg/kg; V: ≤0.01 mg/kg; V: ≤0.01 μg/kg; V: ≤1 μg/kg; W: ≤0.01 μg/kg; Y: ≤0.01 μg/kg; Yb: ≤0.01 μg/kg; Zn: ≤0.01 mg/kg; Zn: ≤0.05 mg/kg; Zn: ≤0.05 μg/kg; Zn: ≤0.5 mg/kg; Zn: ≤1 μg/kg; Zn: ≤5 mg/kg; Zr: ≤0.01 mg/kg; Zr: ≤0.01 μg/kg; Zr: ≤0.1 mg/kg; Zr: ≤1 μg/kg
• Antion Traces: chloride (Cl-): <300 μg/kg; chloride (Cl-): ≤0.1 mg/kg; chloride (Cl-): ≤0.3 mg/kg; chloride (Cl-): ≤0.5 mg/kg; chloride (Cl-): ≤0.5 ppm; chloride (Cl-): ≤0.7 ppm; chloride (Cl-): ≤1 mg/kg; chloride (Cl-): ≤10 mg/kg; dissolved oxides: ≤0.1% (as N2O3); phosphate (PO43-): <10 μg/kg; phosphate (PO43-): ≤0.01 mg/kg; phosphate (PO43-): ≤0.2 mg/kg; phosphate (PO43-): ≤0.5 mg/kg; sulfate (SO42-): <50 μg/kg; sulfate (SO42-): ≤0.05 mg/kg; sulfate (SO42-): ≤0.5 mg/kg; sulfate (SO42-): ≤1 mg/kg; sulfate (SO42-): ≤1 ppm; sulfate (SO42-): ≤10 mg/kg; sulfate (SO42-): ≤150 mg/kg; sulfate (SO42-): ≤2 mg/kg; sulfate (SO42-): ≤5 ppm
• Purified By: double-distillation; redistillation
• Quality: for ultratrace analysis; packed in coated, shock- and leak-protected glass bottle; volumetric
• Factor: 1.000 ±0.001
• Dilution Test: passes test
• Empirical Formula (Hill Notation): HNO3

DETAILS

Sigma Aldrich - 467472

Packaging
Packaged in poly-coated bottles

Sigma Aldrich - 40230

Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 40222

Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 225711

Packaging
475 mL in glass bottle

Sigma Aldrich - 319155

General description
Visit our Titration Center to learn more.
Packaging
2 L in glass bottle
450 mL in glass bottle

Sigma Aldrich - 35315

General description
Visit our Titration Center to learn more.
Packaging
1 L in glass bottle

Sigma Aldrich - 35278

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 35318

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 40280

Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 40303

Legal Information
PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

Sigma Aldrich - 02650

Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 695025

Packaging
500 mL in PVC coated

Sigma Aldrich - 16355

General description
This certified eluent concentrate for ion chromatography is traceable by potentiometric titration to NIST Standard Reference Material. It is certified in accordance with ISO Guide 31. All details about exact content, uncertainty, traceability and expiry date are described in the certificate.Download at: http://www.sigma-aldrich.com.
Preparation Note
Prepared with nitric acid and high purity water (18.2 MΩ, 0.2 μm filtered)

Sigma Aldrich - 38274

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 1.0mol/L (1.0N); amount of substance 1.0mol (63.013 g HNO3)

Sigma Aldrich - 319163

General description
Visit our Titration Center to learn more.
Packaging
2 L in glass bottle
450 mL in poly bottle

Sigma Aldrich - 84378

Application
Used for the decomposition of organic and inorganic samples for det. of mercury
Packaging
1, 2.5 L in glass bottle

Sigma Aldrich - 258121

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Packaging
25 g packaged in clear glass bottles; 500 g packaged in poly-coated clear glass bottles

Sigma Aldrich - 309079

Packaging
100, 500 mL in PVC coated

Sigma Aldrich - 84385

Packaging
250, 500 mL in poly bottle
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 438073

Packaging
2.5 L in glass bottle
500 mL in glass bottle
Packaged in poly-coated bottles
6×2.5 L in PVC coated
6×500 mL in PVC coated

Sigma Aldrich - 84381

Other Notes
Reagent for the decomposition of metals and organic compounds1,2

Sigma Aldrich - 695033

Packaging
2.5 L in glass bottle
25, 100, 12×100, 500 mL in glass bottle

Sigma Aldrich - 32042

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 0.1mol/L (0.1N); amount of substance 0.1mol (6.301 g HNO3)

Sigma Aldrich - 695041

Packaging
25, 500 mL in glass bottle

Sigma Aldrich - 30709

General description
A yellow coloration of the bottle has no influence whatsoever on the product quality.
Packaging
1, 2.5, 4×2.5 L-GL in glass bottle
In PE-bottles; also available in PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Sigma Aldrich - 07006

General description
A yellow coloration of the bottle has no influence whatsoever on the product quality.
Packaging
In PE-bottles; also available in Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Sigma Aldrich - 78005

Caution
Due to the chemical properties of nitric acid, fuming 100%, it is possible, that nitrogen oxides may form when it is exposed to light.