Nitric acid supplier | CasNO.7697-37-2

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Name
Nitric acid
EINECS 231-714-2
CAS No. 7697-37-2
Article Data944
CAS DataBase
Density 1.623 g/cm³
Solubility H₂O: >100 g/100 mL (20 °C)
Melting Point - 42 °C
Formula HNO₃
Boiling Point 83 °C at 760 mmHg
Molecular Weight 64.0061
Flash Point 120.5°C
Transport Information UN 3264 8/PG 3
Appearance Colourless clear liquid
Safety 23-26-36-45
Risk Codes 8-35-34-20
Molecular Structure
Hazard Symbols C,O
Synonyms Aquafortis;Azotic acid;Fumic acid;Hydrogen nitrate;NSC 147791;NSC 15203;Nital;Nitric acid (HONO2);Nitryl hydroxide;
PSA 66.05000
LogP 0.17550

Synthetic route

: silver nitrate

A: 7697-37-2
nitric acid

B: 7440-22-4
silver

Conditions

Conditions	Yield
With H nitrate, in dild. soln., is completely reacting with Pd, satd. with H, at 16 °C in 24 hours to Ag and HNO3;;	A 100% B 100%
With H

: ceric ammonium nitrate

: 3449-05-6
2-(salicylideneamino)thiophenol

A: ammonium nitrate

B: 240814-62-4
(OC6H4CHNC6H4S)Ce(NO3)2(H2O)

C: 7697-37-2
nitric acid

Conditions

Conditions	Yield
With ammonium hydroxide In ethanol; water addn. of hot soln. of Schiff base in EtOH to soln. of Ce salt in EtOH (ratio 1 : 1), addn. of H2O and EtOH (to 85% EtOH), pH adjusting to 5.0 - 6.0 (NH4OH), refluxing (2 h), concn. (vac.), crystn. on cooling (over night); filtration, washing (EtOH), recrystn. (hot DMF/EtOH), washing (EtOH, Et2O), drying (vac.); elem. anal.;	A n/a B 90% C n/a

...Expand

: aluminum trihydroxide

: 1333-84-2, 1344-28-1
aluminum oxide

: 7631-99-4
sodium nitrate

A: 1302-42-7
sodium aluminate

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
heating; it attacks vessel of iron or platinum and glass or china;	A n/a B 89%

...Expand

: 119-65-3
isoquinoline

: uranyl nirate hexahydrate

: 141-82-2
malonic acid

: 7722-84-1
dihydrogen peroxide

A: 187455-26-1
UO(O2)(CH2(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of isoquinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 m in; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 79% B n/a

...Expand

: 91-22-5
quinoline

: uranyl nirate hexahydrate

: homophthalic acid

: 7722-84-1
dihydrogen peroxide

A: UO(4+)*O2(2-)*C8H4O4(2-)*2C9H7N=UO(O2)(C6H4(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of quinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 min; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 76% B n/a

...Expand

: 119-65-3
isoquinoline

: uranyl nirate hexahydrate

: homophthalic acid

: 7722-84-1
dihydrogen peroxide

A: UO(4+)*O2(2-)*C8H4O4(2-)*2C9H7N=UO(O2)(C6H4(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of isoquinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 m in; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 72% B n/a

...Expand

: 91-22-5
quinoline

: zirconium(IV) nitrate hexahydrate

: 141-82-2
malonic acid

: 7722-84-1
dihydrogen peroxide

A: 187455-21-6
Zr(O2)(CH2(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of quinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 min; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 72% B n/a

...Expand

: 91-22-5
quinoline

: uranyl nirate hexahydrate

: 141-82-2
malonic acid

: 7722-84-1
dihydrogen peroxide

A: 187455-25-0
UO(O2)(CH2(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of quinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 min; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 70% B n/a

...Expand

: 119-65-3
isoquinoline

: zirconium(IV) nitrate hexahydrate

: 141-82-2
malonic acid

: 7722-84-1
dihydrogen peroxide

A: 187455-22-7
Zr(O2)(CH2(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of isoquinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 m in; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 70% B n/a

...Expand

: 119-65-3
isoquinoline

: zirconium(IV) nitrate hexahydrate

: homophthalic acid

: 7722-84-1
dihydrogen peroxide

A: Zr(4+)*O2(2-)*C8H4O4(2-)*2C9H7N=Zr(O2)(C6H4(COO)2)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of isoquinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 m in; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 68% B n/a

...Expand

: 91-22-5
quinoline

: zirconium(IV) nitrate hexahydrate

: homophthalic acid

: 7722-84-1
dihydrogen peroxide

A: Zr(4+)*O2(2-)*C8H4O4(2-)*2C9H7N=Zr(O2)(C8H4O4)(C9H7N)2

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In ethanol; water addn. of org. acid in EtOH to aq. soln. of metal salt, cooling, addn. ofsoln. of quinoline in EtOH, addn. of aq. H2O2 (30 %), stirring (30 min; pptn.); filtration, washing (water, EtOH), purification by TLC, drying (vac., over silica gel); elem. anal.;	A 67% B n/a

...Expand

: 326-91-0
1,1,1-trifluoro-4-(2-thienyl)butane-2,4-dione

: europium(III) nitrate

: 23978-55-4
1,4,10,13-tetraoxa-7,16-diazacyclooctadecane

A: 2H(1+)*2Eu(CF3C(O)CHC(O)C4H3S)4(1-)*C12H26N2O4=H2[Eu(CF3C(O)CHC(O)C4H3S)4]2*C12H26N2O4

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
In water; toluene dropwise addn. of soln. of Eu-salt in H2O to soln. of macrocycle and diketone (stirring), sepd. of org. phase after 30 min, pptn. on addn. of cyclohexane to org. phase; collection, recrystn. (toluene/cyclohexane 1/1), drying (over P2O5, vac., 5 h); elem. anal.;	A 62% B n/a

...Expand

: 7664-41-7
ammonia

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
With oxygen NH3-air mixture,at gently red heat;	60%
With oxygen; Sr(2+)PbO3(2-)Sr(2+)MnO4(2-)=SrPbO3SrMnO4 byproducts: nitrogen oxides; above 500 °C,NH3-air mixture,overall yield:from 90%;
With oxygen; Ba(2+)PbO3(2-)Ba(2+)MnO4(2-)=BaPbO3BaMnO4 byproducts: nitrogen oxides; above 500 °C,NH3-air mixture,overall yield:from 90%;

: [Fe3O(CH3COO)6(H2O)3]·(NO3)·4H2O

: 77-95-2
D-(-)-quinic acid

: 7732-18-5
water

A: [Fe7O3(OH)3(C7H10O6)6]·20.5H2O

B: 7697-37-2
nitric acid

C: 64-19-7
acetic acid

Conditions

Conditions	Yield
at 4 - 20℃; pH=2.5;	A 56% B n/a C n/a

...Expand

: 7647-01-0
hydrogenchloride

: 10102-03-1
dinitrogen pentoxide

A: 7697-37-2
nitric acid

B: 7782-50-5
chlorine

C: Nitryl chloride

Conditions

Conditions	Yield
In neat (no solvent) at 213 K; purified from N2O5 and nitric acid by distillation at 213 K;	A n/a B 2% C n/a

...Expand

: 5465-96-3
2-nitroamino-1,3-diazacyclopent-2-ene

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 0℃; Rate constant; in festen und fluessigen H2SO4-H2O-Gemischen <84.5-86.4%ig>.Hydrolysis;

: 53360-90-0
nitro-tetrahydropyrimidin-2-ylidene-amine

: 7664-93-9
sulfuric acid

: 64-19-7
acetic acid

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 25℃; Rate constant;

...Expand

: 53360-90-0
nitro-tetrahydropyrimidin-2-ylidene-amine

: 7732-18-5
water

H2SO4 <68-78.6% >: H2SO4 <68-78.6% >

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 25℃; Rate constant;

...Expand

: 7732-18-5
water

: 100130-44-7
(4-methyl-4,5-dihydro-1(3)H-imidazol-2-yl)-nitro-amine

H2SO4 <76.1-87.5 % >: H2SO4 <76.1-87.5 % >

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 25℃; Rate constant; Hydrolysis;

...Expand

: 5465-96-3
2-nitroamino-1,3-diazacyclopent-2-ene

: 7732-18-5
water

H2SO4 <76-93% >: H2SO4 <76-93% >

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 25℃; Rate constant; Hydrolysis;

...Expand

: 7732-18-5
water

: 100130-44-7
(4-methyl-4,5-dihydro-1(3)H-imidazol-2-yl)-nitro-amine

H2SO: H2SO

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 0℃; Rate constant; in festen und fluessigen Gemischen <84.5%ig>.Hydrolysis;

...Expand

: 53360-90-0
nitro-tetrahydropyrimidin-2-ylidene-amine

: 7732-18-5
water

HClO4 <59.6-67% >: HClO4 <59.6-67% >

: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 25℃; Rate constant;

...Expand

: 60-27-5
creatinine

A: 151201-39-7
methyl-imidazolidinetrione-5-oxime

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
With sodium nitrite

5-isonitroso-creatinine: 5-isonitroso-creatinine

A: 151201-39-7
methyl-imidazolidinetrione-5-oxime

B: 7697-37-2
nitric acid

Conditions

Conditions	Yield
With sodium nitrite

: 88-89-1
2,4,6-Trinitrophenol

persulfate: persulfate

A: 74-90-8
hydrogen cyanide

B: 7697-37-2
nitric acid

...Expand

: 7732-18-5
water

: 88-89-1
2,4,6-Trinitrophenol

ammonium persulfate: ammonium persulfate

A: 74-90-8
hydrogen cyanide

B: 124-38-9
carbon dioxide

C: 7697-37-2
nitric acid

...Expand

: 110-86-1
pyridine

sodium persulfate: sodium persulfate

acid: acid

A: 124-38-9
carbon dioxide

B: 7664-41-7
ammonia

C: 7697-37-2
nitric acid

Conditions

Conditions	Yield
at 70 - 80℃; es erfolgt Oxidation;

...Expand

: 871932-89-7
5-chloro-4-[cyclohexyl-(2,2,2-trifluoroacetyl)amino]-2-methoxybenzoic acid methyl ester

: 7697-37-2
nitric acid

: 871932-90-0
5-chloro-4-[cyclohexyl-(2,2,2-trifluoroacetyl)amino]-2-methoxy-3-nitrobenzoic acid methyl ester

Conditions

Conditions	Yield
Stage #1: 5-chloro-4-[cyclohexyl-(2,2,2-trifluoroacetyl)amino]-2-methoxybenzoic acid methyl ester; nitric acid at -40 - -20℃; for 2h; Stage #2: With sodium hydroxide In water	100%

dysprosium((III) oxide: dysprosium((III) oxide

: 7732-18-5
water

: 7697-37-2
nitric acid

: dysprosium(III) nitrate hydrate

Conditions

Conditions	Yield
at 80℃;	100%
In nitric acid aq. HNO3; dissolving metal oxide in concd. HNO3, heating; evapn. on water bath, dissolving in water;
In nitric acid aq. HNO3; by treating the metal oxide with dil. HNO3; the soln. was evapd. on a steam bath; the residue was dissolved in water, conced. to a viscous mass, cooled and kept in a desiccator after breaking up any lumps;

...Expand

: europium(III) oxide

: 7732-18-5
water

: 7697-37-2
nitric acid

: europium(III) nitrate hydrate

Conditions

Conditions	Yield
at 80℃;	100%
In nitric acid aq. HNO3; Eu2O3 treated with concd. HNO3; excess HNO3 evapd.;
In nitric acid aq. HNO3; dissolving metal oxide in concd. HNO3, heating; evapn. on water bath, dissolving in water;

...Expand

: yttrium(III) oxide

: 7732-18-5
water

: 7697-37-2
nitric acid

: yttrium(III) nitrate hydrate

Conditions

Conditions	Yield
at 80℃;	100%
In water react. metal oxide with 6N HNO3; evapn. at 100°C;
In nitric acid aq. HNO3; by treating the metal oxide with dil. HNO3; the soln. was evapd. on a steam bath; the residue was dissolved in water, conced. to a viscous mass, cooled and kept in a desiccator after breaking up any lumps;
In nitric acid aq. HNO3; dissolving of Y2O3 in excess amt. of aq. nitric acid;

...Expand

: 7697-37-2
nitric acid

: 7664-41-7
ammonia

Conditions

Conditions	Yield
In water Electrolysis; Cu-cathode, in presence of H2SO4;;	100%
With aluminium In water at elevated pressure;;	0%
With aluminium In water only small amounts of NH3 in dild. HNO3 (5%-20%) at atmospheric pressure;;

: 7697-37-2
nitric acid

: 7440-05-3
palladium

: palladium (II) nitrate

Conditions

Conditions	Yield
With sulfur trioxide pyridine complex at 25 - 100℃; for 180h; Sealed tube;	100%
In nitric acid in presence of air;
In nitric acid byproducts: N-oxide; by heating; in presence of air;

: terbium(III) oxide

: 7732-18-5
water

: 7697-37-2
nitric acid

: H6N3O12Tb

Conditions

Conditions	Yield
at 80℃;	100%

...Expand

: lead(II) tungstate

: ammonium hydroxide

: 7697-37-2
nitric acid

A: tungsten(VI) oxide

B: lead(II) oxide

Conditions

Conditions	Yield
In nitric acid aq. HNO3; PbWO4 dissolved in aq. HNO3 (10 wt %) at 75°C; isothermal holdingtime was 2 h; ppt. filtered off; washed (aq. HNO3); calcined at 700°C (WO3 was obtained); to filtrate contg. Pb(NO3)2 added aq. NH4OH with stirring; final pH was 8.9; ppt. diltered off; dried; calcined at 800°C;	A 99.9% B 93.6%

...Expand

: 7440-36-0
antimony

: 7697-37-2
nitric acid

: antimony pentoxide

Conditions

Conditions	Yield
In water byproducts: NO2; Sb powder was covered with concd. nitric acid, heated under an open hood and over a bunsen burner flame, solid was filtered, washed with water,left to dry, heated in open beaker over a bunsen burner flame;	99.729%

: 7697-37-2
nitric acid

: 62-76-0
sodium oxalate

: 7631-99-4
sodium nitrate

Conditions

Conditions	Yield
In water byproducts: oxalic acid; between 15 and 65°C;; pure NaNO3;;	99%

: (CH3)3SiCHCH2(SFe(CO)3)2

: 7697-37-2
nitric acid

A: 7782-61-8
ferric nitrate

B: 754-05-2
ethenyltrimethylsilane

Conditions

Conditions	Yield
In nitric acid byproducts: H2SO4, NO, CO; stirring for 0.5 h at 25°C; condensing silane in a trap cooled with solid CO2, treating aq. layer with NaOH, evapn. to dryness, IR;	A n/a B 99%

...Expand

: sodium bismuthate

: americium(3+)

: 7697-37-2
nitric acid

: americyl

Conditions

Conditions	Yield
In further solvent(s) the mixt. of NaBiO3 and Am(3+) in 0.1 M nitric acid was agitated at roomtemp.; detected by UV spectra and γ-ray spectroscopy;	99%

...Expand

: sodium bismuthate

: americium(3+)

: 7697-37-2
nitric acid

: (243)AmO2(1+)

Conditions

Conditions	Yield
In further solvent(s) the mixt. of NaBiO3 and Am(3+) in 0.1 M nitric acid was heated at 80°C; detected by UV spectra and γ-ray spectroscopy;	99%

...Expand

: bismuth (III) nitrate pentahydrate

: 7697-37-2
nitric acid

: 7782-68-5
iodic acid

: 1316858-53-3
Bismuth oxide iodate

Conditions

Conditions	Yield
In water High Pressure; Bi(NO3)3, HIO3, HNO3 were heated in autoclave to 200°C, held for 1 week, cooled slowly, 6°C/h, to room temp.; filtered, washed with distilled water;	99%

...Expand

: 7440-69-9
bismuth

: 7697-37-2
nitric acid

: bismuth (III) nitrate pentahydrate

Conditions

Conditions	Yield
With water; ammonium carbonate In nitric acid solution of Bi in HNO3 (36 Be); vigorous reaction, repeated addition of H2O;; filtration through an asbestos filter and evaporation of the filtrate; crystallisation and washing with H2O (containing a small amount of HNO3); drying at 25°C; addition of (NH4)2CO3 to the end liquors and formation of Bi nitrate with HNO3;;	98%
With H2O; (NH4)2CO3 In nitric acid solution of Bi in HNO3 (36 Be); vigorous reaction, repeated addition of H2O;; filtration through an asbestos filter and evaporation of the filtrate; crystallisation and washing with H2O (containing a small amount of HNO3); drying at 25°C; addition of (NH4)2CO3 to the end liquors and formation of Bi nitrate with HNO3;;	98%
With water; oxygen In nitric acid byproducts: N oxides; addition of warm Bi grains under reflux to HNO3 and O2; absorption of the formed N oxides after oxidation in H2O and returning back to the reaction mixture;;

: 126-33-0
sulfolane

: 314-41-0
1,2,3,5-tetrafluoro-4-nitrobenzene

: 7697-37-2
nitric acid

: 20002-14-6
2,4,5,6-Tetrafluoro-1,3-dinitrobenzene

Conditions

Conditions	Yield
With boron trifluoride at 65-70°C 7 d;	98%
With BF3 at 65-70°C 7 d;	98%

...Expand

: barium(II) nitrate

: 4C12H28N(1+)*4H2O*V4O12(4-)

: 7697-37-2
nitric acid

: 67-68-5
dimethyl sulfoxide

: 4Ba(2+)*14C2H6OS*NO3(1-)*V14O38(7-)

Conditions

Conditions	Yield
Stage #1: barium(II) nitrate; 4C12H28N(1+)4H2OV4O12(4-); dimethyl sulfoxide at 70℃; for 4h; Stage #2: nitric acid at 20℃; for 2h;	98%

...Expand

: N,N’-trans-cyclohexane-1,4-diylbis(pyrrolidin-2-one)

: 7697-37-2
nitric acid

: uranium(4+)

: N6O18U*2C14H23N2O2(1-)*2H(1+)

Conditions

Conditions	Yield
With hydrazine In water	98%

...Expand

: rac-N,N’-trans-cyclohexane-1,2-diylbis(pyrrolidin-2-one)

: 7697-37-2
nitric acid

: uranium(4+)

: N6O18U*2C14H23N2O2(1-)*2H(1+)

Conditions

Conditions	Yield
With hydrazine In water	98%

...Expand

: Au(N,N'-bis(2,6-diisopropyl)imidazol-2-ylidene)(Bpin)

: 7697-37-2
nitric acid

: Au(IPr)(ONO2)

Conditions

Conditions	Yield
In benzene-d6 at 20℃; for 0.0833333h; Glovebox;	98%

: thallium(I) nitrate

: Nd(W5O18)2(9-)

: 7732-18-5
water

: 7697-37-2
nitric acid

: 6Tl(1+)*3H(1+)*Nd(W5O18)2(9-)*7.5H2O=Tl6H3[Nd(W5O18)2]*7.5H2O

Conditions

Conditions	Yield
In water HNO3 added to Nd/H(+)=2, Tl salt added dropwise at 25°C with vigorous stirring, kept for 24 h; ppt. filtered, washed (cold water), dried air; elem. anal.;	97.78%

...Expand

Nitric acid Consensus Reports

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program. Community Right-To-Know List.

Nitric acid Standards and Recommendations

OSHA PEL: TWA 2 ppm; STEL 4 ppm
ACGIH TLV: TWA 2 ppm; STEL 4 ppm
DFG MAK: 2 ppm (5.2 mg/m³)
NIOSH REL: (Nitric Acid) TWA 2 ppm
DOT Classification: 8; Label: Corrosive, Oxidizer, Poison

Nitric acid Analytical Methods

For occupational chemical analysis use OSHA: #ID-127 or NIOSH: Acids, Inorganic, 7903.

Nitric acid Specification

Nitric acid(CAS NO.7697-37-2) is a colorless, highly corrosive liquid and a very powerful oxidizing agent that in the highly pure state is not entirely stable and must be prepared from its azeotrope by distillation with concentrated sulfuric acid. Nitric acid gradually yellows because of decomposition to nitrogen dioxide. Solutions containing more than 80% nitric acid are called fuming nitric acids. It also can be called Acide nitrique; Acido nitrico; Acidum nitricum; Aqua fortis; Azotic acid; Azotowy kwas; Engraver's acid; Hydrogen nitrate; Kyselina dusicne; Nital; Nitric acid; Nitrous fumes; Nitryl hydroxide; Red fuming nitric acid; Salpetersaeure; Salpetersaure; Salpeterzuuroplossingen; UNII-411VRN1TV4.

Physical properties about Nitric acid are: (1)ACD/LogP: -0.773; (2)ACD/LogD (pH 5.5): -0.77; (3)ACD/LogD (pH 7.4): -0.77; (4)ACD/BCF (pH 5.5): 1.00 ; (5)ACD/BCF (pH 7.4): 1.00; (6)#H bond acceptors:4 ; (7)#H bond donors: 1; (8)Index of Refraction: 1.409; (9)Molar Refractivity: 9.606 cm³; (10)Molar Volume: 38.82 cm³; (11)Polarizability: 3.808 10-24cm³; (12)Surface Tension: 58.6520004272461 dyne/cm; (13)Density: 1.623 g/cm³ ; (14)Enthalpy of Vaporization: 37.722 kJ/mol; (15)Boiling Point: 83 °C at 760 mmHg; (16)Vapour Pressure: 49.8279991149902 mmHg at 25°C

Preparation of Nitric acid:
Nitric acid is made by reacting nitrogen dioxide (NO₂) with water.
3 NO₂ + H₂O → 2 HNO₃ + NO
For many years it was made by the reaction of sulfuric acid and saltpeter, but this method is no longer used.
NaNO₃+ H₂SO₄ → NaHSO₄ + HNO₃It is now manufactured by combusting ammonia in air in the presence of a (platinum or other noble metal) catalyst, and the nitrogen oxides thus formed are oxidized further and absorbed in water to form nitric acid.
NH₃+ 2O₂ → HNO₃ + H₂O

Uses of Nitric acid:
1. A solution of Nitric acid and alcohol, Nital, is used for etching of metals to reveal the microstructure.Nitric acid is also used in explosives, and is key to the manufacture of Nitroglycerin and RDX.
2. In a low concentration, it is often used to artificially age pine and maple. The color produced is a grey-gold very much like very old wax or oil finished wood (wood finishing).

You can still convert the following datas into molecular structure:
(1)InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4);
(2)InChIKey=GRYLNZFGIOXLOG-UHFFFAOYSA-N;
(3)Smiles[N+](=O)(O)[O-]

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
human	LDLo	oral	430mg/kg (430mg/kg)	Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 22, Pg. 651, 1980.
man	LDLo	unreported	110mg/kg (110mg/kg)	"Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
rat	LC50	inhalation	67ppm(NO2)/4H (67ppm)	AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 418, 1954.

Product Name

Nitric acid

Synthetic route

Nitric acid Consensus Reports

Nitric acid Standards and Recommendations

Nitric acid Analytical Methods

Nitric acid Specification

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