Aluminium nitrate

Not to be confused with Aluminium nitride.

Aluminium nitrate

Names
IUPAC name

Aluminium nitrate

Other names

Nitric Aluminum salt
aluminum nitrate
aluminium(III) nitrate

Identifiers

CAS Number

* 13473-90-0 Y
* 7784-27-2 (nonahydrate) Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:231496

ChemSpider |

* 24267 Y

EC Number |

* 236-751-8

PubChem CID

* 26053

RTECS number |

* BD1040000 (anhydrous)
BD1050000 (nonahydrate)

UNII |

* HUO854648Y Y
* 8MC6621V1H (nonhydrate) Y

UN number | 1438

InChI

* InChI=1S/Al.3NO3/c;3*2-1(3)4/q+3;3*-1 Y

Key: JLDSOYXADOWAKB-UHFFFAOYSA-N Y

* InChI=1/Al.3NO3/c;3*2-1(3)4/q+3;3*-1

Key: JLDSOYXADOWAKB-UHFFFAOYAJ

SMILES

* [Al+3].O=[N+]([O-])[O-].[O-][N+]([O-])=O.[O-][N+]([O-])=O

Properties

Chemical formula

| Al(NO3)3
Molar mass | 212.996 g/mol (anhydrous)
375.134 g/mol (nonahydrate)
Appearance  | White crystals, solid
hygroscopic
Odor | odorless
Density | 1.72 g/cm3 (nonahydrate)
Melting point |  66 °C (151 °F; 339 K) (anhydrous)[1]
73.9 °C (165.0 °F; 347.0 K) (nonahydrate)
Boiling point |  150 °C (302 °F; 423 K) (nonahydrate) decomposes

Solubility in water

| anhydrous:
60.0 g/100ml (0°C)
73.9 g/100ml (20 °C)
160 g/100ml (100 °C)
nonahydrate:
67.3 g/100 mL
Solubility in methanol | 14.45 g/100ml
Solubility in ethanol | 8.63 g/100ml
Solubility in ethylene glycol | 18.32 g/100ml

Refractive index (nD)

| 1.54
Hazards
Safety data sheet | External MSDS
GHS pictograms |
GHS Signal word | Danger

GHS hazard statements

| H271, H272, H301, H315, H318, H319, H361

GHS precautionary statements

| P201, P202, P210, P220, P221, P264, P270, P280, P281, P283, P301+310, P302+352, P305+351+338, P306+360, P308+313, P310, P321, P330, P332+313, P337+313, P362, P370+378, P371+380+375, P405, P501
NFPA 704 (fire diamond)  |

Flash point |  35 °C (95 °F; 308 K) (nonahydrate)
Lethal dose or concentration (LD, LC):

LD50 (median dose)

| 4280 mg/kg, oral (rat)
NIOSH (US health exposure limits):

PEL (Permissible)

| none[2]

REL (Recommended)

| 2 mg/m3[2]

IDLH (Immediate danger)

| N.D.[2]

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Aluminium nitrate is a white, water-soluble salt of aluminium and nitric acid, most commonly existing as the crystalline hydrate, aluminium nitrate nonahydrate, Al(NO3)3·9H2O.

## Contents

* 1 Preparation
* 2 Uses
* 3 See also
* 4 References
* 5 External links

## Preparation

Aluminium nitrate cannot be synthesized by the reaction of aluminium with concentrated nitric acid, as the aluminium forms a passivation layer.[citation needed]

Aluminium nitrate may instead be prepared by the reaction of nitric acid with aluminium chloride. Nitrosyl chloride is produced as a by-product; it bubbles out of the solution as a gas. More conveniently, the salt can be made by reacting nitric acid with aluminium hydroxide.

Al(OH)3 \+ 3HNO3 → Al(NO3)3 \+ 3H2O

Aluminium nitrate may also be prepared a metathesis reaction between aluminium sulfate and a nitrate salt with a suitable cation such as barium, strontium, calcium, silver, or lead. e.g.

Al2(SO4)3 \+ 3 Ba(NO3)2 → 2 Al(NO3)3 \+ 3 BaSO4.

## Uses

Aluminium nitrate is a strong oxidizing agent. It is used in tanning leather, antiperspirants, corrosion inhibitors, extraction of uranium, petroleum refining, and as a nitrating agent.

The nonahydrate and other hydrated aluminium nitrates have many applications. These salts are used to produce alumina for preparation of insulating papers, in cathode ray tube heating elements, and on transformer core laminates. The hydrated salts are also used for the extraction of actinide elements.[3]

It is used in the laboratory and classroom such as in the reaction

Al(NO3)3 \+ 3 NaOH → Al(OH)3 \+ 3 NaNO3

It is, however, much less often encountered than aluminium chloride and aluminium sulfate.

## See also

* Aluminium acetate
* Aluminium arsenate

## References

1. ↑ "aluminum nitrate". http://chemister.ru/Database/properties-en.php?dbid=1&id=8810.
2. ↑ 2.0 2.1 2.2 NIOSH Pocket Guide to Chemical Hazards. "#0024". National Institute for Occupational Safety and Health (NIOSH). https://www.cdc.gov/niosh/npg/npgd0024.html.
3. ↑ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8.

## External links

* Aluminum & Nitride
* MSDS of nonahydrate
* Fact Sheets and Frequently Asked Questions: Aluminum Salts

* v
* t
* e

Aluminium compounds

Al(I)|

* AlBr
* AlCl
* AlF
* AlI
* Al2O

Al(II)|

* AlB2
* AlB12
* AlO

Al(III)|

* AlAs
* Al(BH4)3
* AlBr3
* AlCl3
* AlF3
* AlH3
* AlI3
* AlN
* Al(NO3)3
* Al2(CO3)3
* Al(OH)3
* Al(OH)2OAc
* Al(OH)(OAc)2
* Al(OAc)3
* Al2SO4(OAc)4
* AlP
* AlPO4
* AlSb
* Al(C5H7O2)3
* Al(MnO4)3
* Al2(MoO4)3
* Al2O3
* Al2S3
* Al2(SO4)3
* Al2Se3
* Al2Te3
* Al2SiO5
* Al4C3
* AlOHO
* Al(OH)2CO2C17H5
* NaAlH2(OC2H4OCH3)2
* LiAlH2(OC2H4OCH3)2

| Alums|

* (NH4)Al(SO4)2
* KAl(SO4)2
* NaAl(SO4)2

|

Organoaluminium(III) compounds|

* (Al(CH3)3)2
* (Al(C2H5)3)2
* Al(CH2CH(CH3)2)3
* Al(C2H5)2Cl
* Al(C2H5)2CN
* Al(CH2CH(CH3)2)2H
* Al(C2H5)2Cl2C2H5Cl
* Ti(C5H5)2CH2ClAl(CH3)2

* v
* t
* e

Salts and covalent derivatives of the nitrate ion

HNO3 |  |  |  | He

|
|
|
|

LiNO3 | Be(NO3)2 | B(NO3)−4 | C  | NO−3,
NH4NO3 | O  | FNO3 | Ne
NaNO3 | Mg(NO3)2 | Al(NO3)3 | Si  | P  | S  | ClONO2 | Ar
KNO3 | Ca(NO3)2 | Sc(NO3)3 | Ti(NO3)4 | VO(NO3)3 | Cr(NO3)3 | Mn(NO3)2 | Fe(NO3)3,
Fe(NO3)2 | Co(NO3)2,
Co(NO3)3 | Ni(NO3)2 | Cu(NO3)2 | Zn(NO3)2 | Ga(NO3)3 | Ge  | As  | Se  | Br  | Kr
RbNO3 | Sr(NO3)2 | Y(NO3)3 | Zr(NO3)4 | Nb  | Mo  | Tc  | Ru  | Rh  | Pd(NO3)2 | AgNO3 | Cd(NO3)2 | In  | Sn  | Sb(NO3)3 | Te  | I  | Xe(NO3)2
CsNO3 | Ba(NO3)2 |  | Hf  | Ta  | W  | Re  | Os  | Ir  | Pt  | Au  | Hg2(NO3)2,
Hg(NO3)2 | Tl(NO3)3,
TlNO3 | Pb(NO3)2 | Bi(NO3)3
BiO(NO3) | Po  | At  | Rn
FrNO3 | Ra(NO3)2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
La(NO3)3 | Ce(NO3)3,
Ce(NO3)4 | Pr  | Nd(NO3)3 | Pm  | Sm  | Eu(NO3)3 | Gd(NO3)3 | Tb(NO3)3 | Dy  | Ho  | Er  | Tm  | Yb  | Lu
Ac(NO3)3 | Th(NO3)4 | Pa  | UO2(NO3)2 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No  | Lr

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*[CID]: Compound ID
*[H271]: May cause fire or explosion: strong oxidizer
*[H272]: May intensify fire: oxidizer
*[H301]: Toxic if swallowed
*[H315]: Causes skin irritation
*[H318]: Causes serious eye damage
*[H319]: Causes serious eye irritation
*[H361]: Suspected of damaging fertility or the unborn child
*[P201]: Obtain special instructions before use
*[P202]: Do not handle until all safety precautions have been read and understood
*[P210]: Keep away from heat/sparks/open flames/hot surfaces – No smoking
*[P220]: Keep/Store away from clothing/…/combustible materials
*[P221]: Take any precaution to avoid mixing with combustibles
*[P264]: Wash … thoroughly after handling
*[P270]: Do not eat, drink or smoke when using this product
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P281]: Use personal protective equipment as required
*[P283]: Wear fire/flame resistant/retardant clothing
*[P301+310]: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
*[P302+352]: IF ON SKIN: Wash with soap and water
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P306+360]: IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes
*[P308+313]: IF exposed or concerned: Get medical advice/attention
*[P310]: Immediately call a POISON CENTER or doctor/physician
*[P321]: Specific treatment (see … on this label)
*[P330]: Rinse mouth
*[P332+313]: If skin irritation occurs: Get medical advice/attention
*[P337+313]: Get medical advice/attention
*[P362]: Take off contaminated clothing and wash before reuse
*[P370+378]: In case of fire: Use … for extinction
*[P371+380+375]: In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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