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Merck
CN

78005

Nitric acid

puriss. p.a., ACS reagent, fuming, ≥99.5%

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About This Item

Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
UNSPSC Code:
12352106
PubChem Substance ID:
EC Number:
231-714-2
MDL number:
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vapor pressure

8 mmHg ( 20 °C)

grade

ACS reagent, puriss. p.a.

assay

≥99.5%

ign. residue

≤0.001% (as SO4)

bp

120.5 °C (lit.)

solubility

water: soluble 1000 g/L

anion traces

chloride (Cl-): ≤0.5 mg/kg, phosphate (PO43-): ≤0.5 mg/kg, sulfate (SO42-): ≤1 mg/kg

cation traces

Ag: ≤0.01 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.01 mg/kg, Ba: ≤0.02 mg/kg, Be: ≤0.02 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤1 mg/kg, Cd: ≤0.01 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.1 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.1 mg/kg, Hg: ≤0.005 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.01 mg/kg, Mg: ≤0.2 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.02 mg/kg, Na: ≤5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.01 mg/kg, Sr: ≤0.01 mg/kg, Tl: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg

SMILES string

O[N+]([O-])=O

InChI

1S/HNO3/c2-1(3)4/h(H,2,3,4)

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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General description

Nitric acid (HNO3) is a highly corrosive strong mineral acid. 10%(v/v) nitric acid solution is useful for cleaning laboratory glasswares.

Application

Nitric acid (HNO3) may be used for the removal of transition metal catalyst from the single-walled carbon nanotubes (SWNTs) during the purification of SWNTs. It may be used in the trace level detection of Pb and Cd in aqueous samples by flame atomic absorption spectrometry.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Disclaimer

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

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A

supp_hazards

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Eduardo Carasek et al.
Talanta, 56(1), 185-191 (2008-10-31)
The need for highly reliable methods for the determination of trace elements has been recognised in analytical chemistry and environmental science. A method for the trace analysis of Pb and Cd in natural waters is described. In a preconcentration step
Nitric acid purification of single-walled carbon nanotubes.
Hu H, et al.
The Journal of Physical Chemistry B, 107(5), 13838-13842 (2003)
Alyson M Baergen et al.
Environmental science & technology, 47(2), 815-820 (2012-12-15)
The fate of NO(x) (=NO + NO(2)) is important to understand because NO(x) is a significant player in air quality determination through its role in O(3) formation. Here we show that renoxification of the urban atmosphere may occur through the
Stijn Smulders et al.
Toxicological sciences : an official journal of the Society of Toxicology, 141(1), 132-140 (2014-06-14)
The unique physical and chemical properties of nanomaterials have led to their increased use in many industrial applications, including as a paint additive. For example, titanium dioxide (TiO2) engineered nanoparticles (ENPs) have well-established anti-UV, self-cleaning, and air purification effects. Silver
Paul A Adlard et al.
Neurobiology of disease, 81, 196-202 (2015-01-01)
Zinc transporter-3 (ZnT3) protein is responsible for loading zinc into presynaptic vesicles and consequently controls the availability of zinc at the glutamatergic synapse. ZnT3 has been shown to decline with age and in Alzheimer's disease (AD) and is crucially involved

Global Trade Item Number

SKUGTIN
697478-5G04061832786919

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