Chromium(III) chloride
Physical Properties Uses Preparation Reactions- Product Name
- Chromium(III) chloride
- CAS No.
- 10025-73-7
- Chemical Name
- Chromium(III) chloride
- Synonyms
- CHROMIC CHLORIDE;CHROMIUM (III) CHLORIDE;CHROMIUM CHLORIDE (HEXAHYDRATE) (CHROMIUM III CHLORIDE);c.i.77295;Chrometrace;4-Chromanone96%;trichlorochromium;chromicchloride1/;hromium trichloride;Chromium(Ⅲ)chloride
- CBNumber
- CB7318939
- Molecular Formula
- Cl3Cr
- Formula Weight
- 158.36
- MOL File
- 10025-73-7.mol
Chromium(III) chloride Property
- Melting point:
- 1152 °C
- Boiling point:
- 1300°C
- Density
- 2.87 g/mL at 25 °C(lit.)
- vapor pressure
- 0.001Pa at 20℃
- storage temp.
- Store below +30°C.
- solubility
- slightly soluble in H2O
- form
- flakes
- color
- Violet
- Specific Gravity
- 2.87
- Water Solubility
- Soluble in alcohol, water.
- Sensitive
- Hygroscopic
- Merck
- 14,2222
- Exposure limits
- NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3
- Stability:
- hygroscopic
- LogP
- -3 at 20℃
- CAS DataBase Reference
- 10025-73-7(CAS DataBase Reference)
- EPA Substance Registry System
- Chromium(III) chloride (10025-73-7)
Safety
- Hazard Codes
- Xn,T+
- Risk Statements
- 22-26
- Safety Statements
- 24/25-45-36/37-28
- RIDADR
- UN3260
- WGK Germany
- 1
- RTECS
- GB5425000
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- III
- HS Code
- 28273985
- Hazardous Substances Data
- 10025-73-7(Hazardous Substances Data)
- Toxicity
- MLD in frogs, mice, rabbits (mg/kg): 187, 801, 288 i.v. (Cavalli)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H290May be corrosive to metals
H302Harmful if swallowed
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P234Keep only in original container.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
N-Bromosuccinimide Price
- Product number
- 200050
- Product name
- Chromium(III) chloride
- Purity
- purified by sublimation, 99%
- Packaging
- 25g
- Price
- $82.7
- Updated
- 2024/03/01
- Product number
- 200050
- Product name
- Chromium(III) chloride
- Purity
- purified by sublimation, 99%
- Packaging
- 100g
- Price
- $196.2
- Updated
- 2024/03/01
- Product number
- 012336
- Product name
- Chromium(III) chloride, anhydrous, 98%
- Packaging
- 50g
- Price
- $81.4
- Updated
- 2024/03/01
- Product number
- 012336
- Product name
- Chromium(III) chloride, anhydrous, 98%
- Packaging
- 250g
- Price
- $285
- Updated
- 2023/06/20
- Product number
- 24-0270
- Product name
- Chromium(III) chloride, anhydrous, 99%
- Packaging
- 50g
- Price
- $87
- Updated
- 2024/03/01
Chromium(III) chloride Chemical Properties,Usage,Production
Physical Properties
Reddish violet crystals; hexagonal plates; density 2.87g/cm3; melts at 1,152°C; decomposes at 1,300°C; slightly soluble in water. The color of hexahydrates range from light-green to violet; all are hygroscopic; density 1.76 g/cm3; soluble in water and ethanol; insoluble in ether; dilute aqueous solutions are violet in color.
Chromium(III) chloride can be used in the formation of a catalytic system for the conversion of glucose into 5-hydroxymethylfurfural (HMF). It can also be used in the preparation of ionic liquid mixtures using choline chloride and water with improved ion mobility and conductivity.
The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.
Uses
Chromium(III) chloride is used for chromium plating; as textile mordant; in tanning; as a waterproofing agent; and as catalyst for polymerization of olefins.
Preparation
Chromium(III) chloride hexahydrate may be prepared by treating chromium hydroxide with hydrochloric acid: /> Cr(OH)3 + 3HCl + 3H2O → CrCl3•6H2O The anhydrous chromium(III) chloride may be obtained by heating the hydrated salt CrCl3•6H2O with SOCl2 and subliming the product in a stream of chlorine at 600°C. Alternatively, the red-violet anhydrous chloride can be obtained by passing chlorine gas over a mixture of chromic oxide and carbon:
Cr2O3 + 3C +3Cl2 → 2CrCl3 + 3CO
Reactions
Chromium(III) chloride at elevated termperatures decomposes to chromium( II) chloride and chlorine:
2CrCl3→2CrCl2 + Cl2
Heating with excess chlorine produces vapors of chromium(IV) chloride, CrCl4. The tetrahedral tetrachloride is unstable, and occurs only in vapor phase.
When heated with hydrogen, it is reduced to chromium(II) chloride with the formation of hydrogen chloride:
2CrCl3 + H2→2CrCl2 + 2HCl
Chromium(III) chloride has very low solubility in pure water. However, it readily dissolves in the presence of Cr2+ ion. Reducing agents such as SnCl2 can “solubilize” CrCl3 in water. It forms adducts with many donor ligands. For example, with tetrahydrofuran (THF) in the presence of zinc, it forms the violet crystals of the complex CrCl3•3THF.
Description
Chromic chloride is a highly corrosive, blueor greenish to black crystalline solid. Molecularweight =158.35; Boiling point (decomposes) =1300℃;Freezing/Melting point =1152℃ (dissociates above1300℃). Hazard Identification (based on NFPA-704 MRating System): Health 3, Flammability 0, Reactivity 0.Insoluble in water (reaction)
Chemical Properties
Chromic chloride is a highly corrosive, Blue or greenish to black crystalline solid.
Uses
Supplement(trace mineral).
Chromium(III) chloride and chromium(III) sulfate have been used as dietary supplements (approved for themanufacture of foods for particular nutritional uses and in food supplements in the European Union), whereas the organic chromium(III) complexes chromium picolinate and nicotinate are not approved in the European Union but find widespread uses (e.g. in the USA) inmultivitamin, multimineral products (Riihimaki & Luotamo, 2006).They are also marketed for weight loss purposes and athletic supplements.
Uses
Chromium chloride and chromium sulfate have been used as dietary supplements. Chromium(III) chloride and chromium(III) sulfate can be used in the manufacture of food for particular nutritional uses and in food supplements. It is found in miscellaneous applications, such as catalysts, hardeners, mordents, crosslinking and binding agents. It is used to make very pure chromium and other chromium compounds, as a mordant in dyeing cotton, and in chromizing metals. It is too used for trivalent electroplating .
Air & Water Reactions
The rate of solution for water is extremely slow, pH of 0.2 M. aqueous solution is 2.4.
Reactivity Profile
When heated to decomposition, CHROMIUM (III) CHLORIDE emits toxic fumes of chlorine containing compounds. Violent reaction with lithium, nitrogen. Incompatible with strong oxidizers. [EPA, 1998].
Hazard
A poison.
Health Hazard
CHROMIUM (III) CHLORIDE displays high dermal toxicity, and moderate oral toxicity.
Flammability and Explosibility
Non flammable
Safety Profile
Poison by skin contact, inhalation, and intraperitoneal routes. Experimental teratogenic and reproductive effects. Human mutation data reported. Questionable carcinogen. Reacts violently with lithium under nitrogen atmosphere. When heated to decomposition it emits toxic fumes of Cl-.
Potential Exposure
Chromic chloride is used for production of solutions of basic chlorides and as a catalyst for polymerization of olefins and other organic reactions; in chromizing; in the manufacture of chromium metal and compounds; as a textile mordant; in tanning; in corrosion inhibitors; and as a waterproofing agent. A nutritional supplement.
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.
storage
: Color Code—White: Corrosive or Contact Hazard;Store separately in a corrosion-resistant location. ColorCode—Green: General storage may be used. Prior to working with this chemical you should be trained on its properhandling and storage. Store in tightly closed containers in acool, well-ventilated area away from oxidizing agents andwater
Shipping
UN1759 Corrosive solids, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, Technical Name Required. UN1760 Corrosive liquids, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, Technical Name Required.
Purification Methods
Sublime the chloride in a stream of dry HCl. Alternatively, the impure chromic chloride (100g) is added to 1L of 10% aqueous K2Cr2O7 and several millilitres of conc HCl, and the mixture is brought to a gentle boil with constant stirring for 10minutes. (This removed a reducing impurity.) The solid is separated and washed by boiling with successive 1L lots of distilled water until the wash water no longer gives a test for chloride ion, then dry it at 110o [Poulsen & Garner J Am Chem Soc 81 2615 1959, Hein & Herzog in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1338 1965].
Incompatibilities
Reacts with water and strong oxidizers. Contact with strong acids or acid fumes may produce highly toxic chloride fumes. May attack certain steels, causing pitting attack and stress corrosion
Waste Disposal
Precipitate as chromium hydroxide. Dewater the sludge and dispose of the compacted sludge in single-purpose dumps
Chromium(III) chloride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Chromium(III) chloride manufacturers
- Product
- Chromium(III) chloride 10025-73-7
- Price
- US $25.00-18.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 50000tons
- Release date
- 2024-04-11
- Product
- Chromium(III) chloride 10025-73-7
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2023-03-15
- Product
- Chromium(III) chloride 10025-73-7
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-07-31