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438073-M

Nitric acid

ACS reagent, 70%

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About This Item

Linear Formula:
HNO3
CAS Number:
7697-37-2
Molecular Weight:
63.01
PubChem Substance ID:
329756406
eCl@ss:
38060304
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
231-714-2
MDL number:
MFCD00011349
Assay:
68.0-70.0% (ACS specification), 70%
Grade:
ACS reagent
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grade

ACS reagent

vapor pressure

8 mmHg ( 20 °C)

assay

68.0-70.0% (ACS specification), 70%

ign. residue

≤5 ppm

color

APHA: ≤10

bp

120.5 °C (lit.)

density

1.413 g/mL at 20 °C (lit.)

anion traces

chloride (Cl-): ≤0.5 ppm, sulfate (SO42-): ≤1 ppm

cation traces

As: ≤0.01 ppm, Fe: ≤0.2 ppm, heavy metals (as Pb): ≤0.2 ppm

SMILES string

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

InChI

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

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

General description

Nitric acid (HNO3) is a highly corrosive mineral acid. It is usually utilized for abstracting transition metal catalyst from single-walled carbon nanotubes (SWNTs) in order to purify them. The effect of nitric acid on the oxidation of multiwalled carbon nanotubes (MWCNTs) has been investigated by sample weight, Raman spectrum, solubility, morphology and alignment examinations.

Application

Nitric acid was used to increase the number of acid sites by altering the surface of activated carbon.
It may be used:
  • In combination with acetic anhydride and zeolite catalysts for the preparation of p-nitrotoluene with high regioselectivity.
  • In the pretreatment of rice straw for enhanced production of xylose.
  • To minimize the extent of cation ordering in LiNi0.5Mn1.5O4, a transition metal-substituted spinel material, by surface treatment.

Other Notes

Important notice
This product will be phased out towards early 2019. There is a replacement product available : 438073
SKU-Pack sizes with -P are packaged in poly bottles

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Danger

Hazard Classifications

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

supp_hazards

EUH071

Storage Class

5.1B - Oxidizing hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品

This item has

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Ilgook Kim et al.
Carbohydrate polymers, 99, 563-567 (2013-11-28)
In this study, nitric acid (HNO₃) was evaluated as an acid catalyst for rice straw pretreatment, and, after neutralization, as a sole nitrogen source for subsequent fermentation. Response surface methodology was used to obtain optimal pretreatment condition with respect to
THE TREATMENT OF ACID AND ALKALI BURNS: AN EXPERIMENTAL STUDY.
E C Davidson
Annals of surgery, 85(4), 481-489 (1927-04-01)
Nitric acid purification of single-walled carbon nanotubes.
Hu H, et al.
The Journal of Physical Chemistry B, 107(50), 13838-13842 (2003)
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