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Chromium (III) chloride
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Name

Chromium (III) chloride

 EINECS 233-038-3
CAS No. 10025-73-7 Density 2.87 g/mL at 25 °C(lit.)
PSA 0.00000 LogP 2.06850
Solubility N/A Melting Point 1152 °C
Formula Cl3Cr Boiling Point 1300 °C
Molecular Weight 158.355 Flash Point N/A
Transport Information N/A Appearance Purple shiny fluffy powder or flakes
Safety 24/25 Risk Codes 22
Molecular Structure Molecular Structure of 10025-73-7 (Chromium(III) chloride) Hazard Symbols HarmfulXn
Synonyms

Trichlorochromium;C.I. 77295;Chromic chloride;Chromic chloride (CrCl3);Chromic trichloride;Chromiumtrichloride;Chromium trichloride (CrCl3);Chromium(3+) chloride;

Article Data 253

Chromium (III) chloride Synthetic route

7782-50-5

chlorine

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
With ferrochromium byproducts: FeCl3; chlorination at 900°C in molten mixture of BaCl2 and CaCl2; FeCl3 distilled, then product leached with water;85.9%
With ferrochromium 350 - 650°C;
With ferrochromium byproducts: FeCl3; 300 - 600°C;
With water 500 - 1000°C, H2O-vapor contg. Cl2;;
140862-52-8, 140924-91-0, 141902-33-2, 143444-60-4, 147782-22-7

25,26,27,28-tetrapropyloxycalix[4]arene

199620-14-9, 13007-92-6

chromium(0) hexacarbonyl

A

147513-93-7, 141804-99-1, 147513-91-5, 147513-94-8, 141847-59-8, 141847-60-1

cone-25,26,27,28-tetrapropoxycalix{4}arene-tricarbonylchromium

B

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
In tetrahydrofuran; dibutyl ether dissolution of ligand and Cr(CO)6 in a mixt. of butyl ether and THF, heating at 130°C for 24 h under N2, monitoring by IR; concn. under reduced pressure, addn. of hexane, column chromy., elution with n-hexane/CH2Cl2, column chromy., elution with benzene under N2, elem. anal.;A 61%
B n/a

chromium(III) chloride hydrate

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
With thionyl chloride In neat (no solvent) byproducts: H2O; substabce hehydration by refluxing with thionyl chloride at 70°C for 8 h, according to J. H. Free,an and M. L. Smith, J. Inorg. Nucl. Chem. 7 (1958) 224;
With thionyl chloride In thionyl chloride refluxed for several hours; excess SOCl2 was distilled off; heated at 110°C at 1E-3 Torr for6 h;

chromium(III) sulphide

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
With chlorine chlorination at 700°C;
With chlorine at elevated temp.;;
With chlorine react. in a stream of Cl2 at beginning red heat; repeated crushing and chlorination;;

chromium(III) oxide

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
With disulfur dichloride; chlorine In neat (no solvent) passing gas mixt. (prepared by passing Cl2 into liq. S2Cl2) over heated Cr2O3 at temp. even below red heat;;>99
With C3Cl6 In further solvent(s) react. in boiling hexachlorpropylene, 4h;;
With chlorine; pyrographite byproducts: CO2; 900°C;

chromium(III) oxide

A

10025-73-7

chromium(III) chloride

B

14977-61-8

chromyl chloride

Conditions
ConditionsYield
With chlorine at red heat;;
With chlorine In neat (no solvent) violent react. of Cr2O3 in a stream of Cl2 with glowing; slower react. with a gas mixt. of Cl2/CO2;;
With chlorine In neat (no solvent) in the presence of organic compounds in an a.c. high voltage flame;;
With Cl2 at red heat;;
With Cl2 In neat (no solvent) violent react. of Cr2O3 in a stream of Cl2 with glowing; slower react. with a gas mixt. of Cl2/CO2;;

chromium(III) oxide

A

chromium dichloride

B

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
With chlorine; pyrographite In neat (no solvent) react. of a slow stream of Cl2 with a red glowing mixt. of Cr2O3 and coal;;
With chlorine; pyrographite In neat (no solvent) react. of Cl2 with a red glowing mixt. of Cr2O3 and coal;;
With chlorine In neat (no solvent) in a stream of dry Cl2 at red heat;;
75-44-5

phosgene

chromium(III) oxide

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
In neat (no solvent) passing stream of COCl2 over Cr2O3 at 600 °C;;
10025-67-9

disulfur dichloride

chromium(III) oxide

7782-50-5

chlorine

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
In neat (no solvent) passing stream of Cl2 charged with S2Cl2 over starting material and heating below red heat;;
56-23-5

tetrachloromethane

chromium(III) oxide

10025-73-7

chromium(III) chloride

Conditions
ConditionsYield
In neat (no solvent) adding steam of CCl4 to Cr2O3 at 580 °C;;
In neat (no solvent) passing steam of CCl4 over Cr2O3 below red heat;;

Chromium (III) chloride Chemical Properties

CHROMIUM CHLORIDE (10025-73-7) has some details:
Name:CHROMIUM CHLORIDE
CAS Number:10025-73-7
Molecular Formula:Cl3Cr
Molecular Weight:158.35
Density:1.76
Melting Point:83°C
Risk Codes:R22;R36/37/38
Properties:Red-violet flaky crystals. Mp: 1152°C, bp: 1300° C(subl). Insol in cold H2O; sltly sol in hot H2O. IDLH 25 mg/m3 [as Cr(III)].
Structure:


Synonyms: c.i.77295;chromicchloride1/;chromicchlorideanhydr;chromium(iii)chloride(1:3);chromium(iii)chloride,anhydrous;chromiumchloride(crcl3);chromiumchloride,anhydrous;puratronicchromiumchloride;trichlorochromium;CHROMIUM SESQUICHLORIDE;CHROMIUM TRICHLORIDE;CHROMIC CHLORIDE;Chromium(Ⅲ)chloride;Chromium(Ⅲ)chloride hexahydrate;CHROMIUM (IC) CHLORIDE;CHROMIUM (III) CHLORIDE;CHROMIUM(III) CHLORIDE, ANHYDROUS, FLAKE S, 99.99%;CHROMIUM(III) CHLORIDE, SUBLIMED, 99%;4-Chromanone96%;CHROMIUM CHLORIDE (HEXAHYDRATE) (CHROMIUM III CHLORIDE)

Chromium (III) chloride Toxicity Data With Reference

1.   

cyt-hmn:oth 500 mg/L

   BJCAAI    British Journal of Cancer. 44 (1981),219.
2.   

sce-ham:lng 39 mg/L

   CRNGDP    Carcinogenesis. 4 (1983),605.
3.   

ipr-mus TDLo:59,500 µg/kg (female 8D post):TER

   JTSCDR    Journal of Toxicological Sciences. 1 (2)(1976),1.
4.   

ipr-mus TDLo:59,500 µg/kg (female 9D post):REP

   JTSCDR    Journal of Toxicological Sciences. 1 (2)(1976),1.
5.   

orl-rat LD50:1870 mg/kg

   YAKUD5    Gekkan Yakuji. Pharmaceuticals Monthly. 22 (1980),291.
6.   

ihl-mus LC50:31,500 µg/m3/2H

   85GMAT    Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,39.
7.   

ipr-mus LD50:434 mg/kg

   COREAF    Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences. 256 (1963),1043.
8.   

skn-gpg LDLo:202 mg/kg

   AEHLAU    Archives of Environmental Health. 11 (1965),201.
9.   

ipr-gpg LDLo:200 mg/kg

   AEHLAU    Archives of Environmental Health. 11 (1965),201.

Chromium (III) chloride Consensus Reports

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program. Chromium and its compounds are on the Community Right-To-Know List. EPA Extremely Hazardous Substances List.

Chromium (III) chloride 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 CHROMIUM CHLORIDE (10025-73-7) emits toxic fumes of Cl−.
Hazard Symbols: A poison. TLV: 0.5 mg(Cr)/m3
Hazard Codes :Xn
Risk Statements :22
Safety Statements :24/25
RIDADR  :UN3260
WGK Germany : 1
RTECS  :GB5425000
 HazardClass  :8
PackingGroup:  III

Chromium (III) chloride Standards and Recommendations

CHROMIUM CHLORIDE (10025-73-7) has some standards.
OSHA PEL: TWA 0.5 mg(Cr)/m3
ACGIH TLV: TWA 0.5 mg(Cr)/m3; Not Classifiable as a Carcinogen

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