ChemicalBook > CAS DataBase List > CHROMIUM(III) NITRATE NONAHYDRATE

CHROMIUM(III) NITRATE NONAHYDRATE

Product Name
CHROMIUM(III) NITRATE NONAHYDRATE
CAS No.
7789-02-8
Chemical Name
CHROMIUM(III) NITRATE NONAHYDRATE
Synonyms
Chromium nitate;CHROMIUM NITRATE;CHROMIC NITRATE 9H2O;CHROMIUM (IC) NITRATE;ChromiumNitrateSolution;CHROMIUM NITRATE, HYDROUS;Chromium isotopic standard;CHROMIC NITRATE NONAHYDRATE;Nonaquochromium trinitrate;Chromium nitrate nine water
CBNumber
CB9346145
Molecular Formula
CrH18N3O18
Formula Weight
400.14832
MOL File
7789-02-8.mol
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CHROMIUM(III) NITRATE NONAHYDRATE Property

Melting point:
60 °C(lit.)
Boiling point:
100°C
Density 
1.80 g/mL(lit.)
storage temp. 
Store at +15°C to +25°C.
solubility 
H2O: very soluble(lit.)
form 
Solid
color 
Violet to black
PH
2-3 (50g/l, H2O, 20℃)
Water Solubility 
Soluble in water and alcohol.
Merck 
14,2226
Exposure limits
NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3
Stability:
Stable at room temperature, but may explode if heated. Incompatible with organic materials, reducing agents. Use polyethylene tools.
CAS DataBase Reference
7789-02-8(CAS DataBase Reference)
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Safety

Hazard Codes 
O,Xi
Risk Statements 
8-36/38
Safety Statements 
17-26-36
RIDADR 
UN 2720 5.1/PG 3
WGK Germany 
2
RTECS 
GB6300000
F 
9
TSCA 
Yes
HS Code 
2834 29 80
HazardClass 
5.1
PackingGroup 
III
Toxicity
LD50 orally in Rabbit: 3250 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H272May intensify fire; oxidizer

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P220Keep/Store away from clothing/…/combustible materials.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
239259
Product name
Chromium(III) nitrate nonahydrate
Purity
99%
Packaging
100g
Price
$70
Updated
2024/03/01
Sigma-Aldrich
Product number
NIST979
Product name
Chromium isotopic standard
Purity
NIST? SRM? 979
Packaging
0.25G
Price
$806
Updated
2024/03/01
Sigma-Aldrich
Product number
239259
Product name
Chromium(III) nitrate nonahydrate
Purity
99%
Packaging
2kg
Price
$523
Updated
2024/03/01
Sigma-Aldrich
Product number
1.02481
Product name
Chromium(III) nitrate nonahydrate
Purity
for analysis EMSURE?
Packaging
250g
Price
$246
Updated
2024/03/01
Alfa Aesar
Product number
011565
Product name
Chromium(III) nitrate nonahydrate, 98.5%
Packaging
25g
Price
$42.1
Updated
2023/06/20
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CHROMIUM(III) NITRATE NONAHYDRATE Chemical Properties,Usage,Production

Chemical Properties

deep blue or violet crystals

Chemical Properties

Chromium nitrate is a crystalline substance, variously stated to be green brown or purple and existing in various hydrated forms.

Uses

Chromium nitrate is used in the manufacture of alkali metal-free catalysts and in preservation. It is used in the preparation of chrome catalysts, in textile printing operations, and as a corrosion inhibitor. Chromium(III) nitrate as a source of chromium is added to food supplements for nutritional purposes .

Potential Exposure

Chromium nitrate is used in the preparation of chrome catalysts, in textile printing operations; and as a corrosion inhibitor. Used to make other chemicals.

Shipping

UN2720 Chromium nitrate, Hazard Class: 5.1; Labels: 5.1-Oxidizer

Purification Methods

The pure deep violet nonahydrate salt is best prepared freshly from pure recrystallised (3 times) chromium (VI) trioxide and pure nitric acid. A solution is prepared by dissolving 1g of CrO3 in 3mL of H2O and 2mL of pure HNO3, and carefully, with stirring (behind a screen) pure MeOH (0.5-1.0mL) is added dropwise carefully (shield) with cooling to avoid a violent reaction. A bluish colour develops as Cr(VI) is reduced to Cr(III). When this solution is diluted to 130,000ppm of the salt, analysis detected by ICP/MS gave the following trace elements (ppm in brackets): Sr (33), Na (3.5), Mo, Ni, Cu, Si and Mg (0.13 each), Se, Zn, Al (0.026 each), Ti (1.5), Fe (4.9), Co (0.07), Sn (0.065), Ba (0.013 and W (0.078). Evaporation of the methanolic solution in high vacuum over CaCl2 eventually yields pure deep violet rhombic crystals of chromium (III) nitrate nonahydrate. An aqueous solution of this salt becomes green on heating but reverts to the violet colour on cooling.

Incompatibilities

This chemical is a strong oxidizer. Contact with reducing agents; fuels, ethers, and other flammable and combustible materials cause a fire and explosion hazard. Violent reaction with many compounds, including reducing agents; alcohols, chemically active metals; combustible materials, strong acids, alkaline earth sulfides, aluminum carbides, aluminum, amines, calcium sulfide, carbides, chlorine trifluoride, glycerin, hydrides, hydrochloric acid, hydrogen peroxide, hydrogen sulfide, hydroxylamine, magnesium, metal powders, metal sulfides, molybdenum, phenylhydrazine, phosphorous red/friction, phosphorous trichloride, silicon, sulfides, sulfur, sulfur Chromium Nitrate 845 dioxide, sulfur/friction, sulfuric acid, tungsten, hydrogen trisulfide

Waste Disposal

Precipitate chromium as the hydroxide. Dewater the sludge and dispose of in singlepurpose dumps.

CHROMIUM(III) NITRATE NONAHYDRATE Preparation Products And Raw materials

Raw materials

Sucrose Chromium(VI) oxide Chromic nitrate

Preparation Products

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View Lastest Price from CHROMIUM(III) NITRATE NONAHYDRATE manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
CHROMIUM(III) NITRATE NONAHYDRATE 7789-02-8
Price
US $65.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-06-06
Hebei Weibang Biotechnology Co., Ltd
Product
CHROMIUM(III) NITRATE NONAHYDRATE 7789-02-8
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-12-11
Hebei Yanxi Chemical Co., Ltd.
Product
Chromic nitrate nonahydrate 7789-02-8
Price
US $2.30/Kg/Bag
Min. Order
20T
Purity
98%
Supply Ability
3000tons/month
Release date
2020-07-06

7789-02-8, CHROMIUM(III) NITRATE NONAHYDRATERelated Search:

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  • 7789-02-8
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  • 7789/2/8
  • 2150954
  • 2150-95-4
  • Cr3NO39H2O