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Dichlorochromium

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Name

Dichlorochromium

EINECS 233-163-3
CAS No. 10049-05-5 Density g/cm3
PSA 0.00000 LogP 1.37900
Solubility decomposes

Stability

    Stable, but decomposes in water or moist air. Incompatible withwater, oxidizing agents, active metals.

Toxicology

    Harmful if swallowed. May be harmful if inhaled and incontact with the
Melting Point 824 C
Formula Cl2Cr Boiling Point °Cat760mmHg
Molecular Weight 122.902 Flash Point °C
Transport Information N/A Appearance grey green powder
Safety Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of Cr. Risk Codes N/A
Molecular Structure Molecular Structure of 10049-05-5 (Chromium(II) chloride) Hazard Symbols Xn
Synonyms

Chromiumdichloride;Chromium(II) chloride;Chromous chloride;

Article Data 4

Dichlorochromium Synthetic route

10025-73-7

chromium(III) chloride

A

15597-88-3

chromium tetrachloride

B

10049-05-5

chromium (II) chloride

Conditions
ConditionsYield
In neat (no solvent) byproducts: Cl2; vaporization of anhydrous CrCl3 in vac. at 780°C;; detected by mass-spectroscopy of gas phase and IR-spectroscopy after matrix isolation;;
7440-47-3

chromium

silver(I) chloride

10049-05-5

chromium (II) chloride

Conditions
ConditionsYield
In neat (no solvent) in situ (650°C); isolation in N2 solid matrix;
In neat (no solvent, solid phase) mixt. of metal (tenfold excess) and AgCl heated in Ar (400 Torr) until react. was complete; cooled, evacuated, co-condensed with solid matrix (N2 or Ar);
49681-65-4

chromium monochloride

A

7440-47-3

chromium

B

10049-05-5

chromium (II) chloride

Conditions
ConditionsYield
In neat (no solvent, gas phase) equilibrium reaction was studied at 1425-1596 K;
157169-61-4

5-formyl-2-[2-(5-methyl-2-phenyl-4-oxazolyl)-ethoxy]pyridine

35120-18-4

ethyl 1-bromocyclobutane-1-carboxylate

10049-05-5

chromium (II) chloride

ethyl 1-(hydroxy{6-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]pyridin-3-yl}methyl)cyclobutanecarboxylate

Conditions
ConditionsYield
With lithium iodide In tetrahydrofuran; water; ethyl acetate37%
[(4-methoxybenzenesulfonyl)-2-oxo-athyl)-amino]acetic acid t-butyl ester

[(4-methoxybenzenesulfonyl)-2-oxo-athyl)-amino]acetic acid t-butyl ester

42599-24-6

E-styryl iodide

10049-05-5

chromium (II) chloride

7718-54-9

nickel(II) chloride

(+)-(E)-[(2-hydroxy-4-phenyl-but-3-enyl)-(4-methoxybenzenesulphonyl)-amino]-acetic acid t-butyl ester

Conditions
ConditionsYield
In N-methyl-acetamide
124926-67-6

21-acetoxy-3,3-ethylenedioxy-20-nitropregna-5,16-dien-9α-ol

10049-05-5

chromium (II) chloride

21-acetoxy-9α-hydroxy-20-hydroxyiminopregna-4,16-dien-3-one

Conditions
ConditionsYield
With hydrogenchloride In water; acetone
With hydrogenchloride In water; acetone
10049-05-5

chromium (II) chloride

56174-66-4

2-(N,N-dimethylaminomethyl)phenyllithium

bis(2-dimethylaminomethylphenyl)chromium

Conditions
ConditionsYield
In tetrahydrofuran; toluene; pentane
10049-05-5

chromium (II) chloride

64308-58-3

2-(dimethylamino)benzyllithium

bis-(2-dimethylaminobenzyl)chromium

Conditions
ConditionsYield
In tetrahydrofuran; toluene; pentane
7439-96-5

manganese

10049-05-5

chromium (II) chloride

98194-56-0

tert-butyl-chlorosilane

115929-59-4

2-bromo-4-methoxy-6-nitrophenol

A

440122-89-4

7-Bromo-2-phenyl-benzooxazol-5-ol

B

440123-25-1

7-bromo-5-methoxy-2-phenyl-benzooxazole

Conditions
ConditionsYield
With benzaldehyde In N-methyl-acetamide; hexane; water; ethyl acetate
27846-09-9

iron monochloride

10049-05-5

chromium (II) chloride

A

49681-65-4

chromium monochloride

B

7758-94-3

iron(II)chloride

Conditions
ConditionsYield
In neat (no solvent, gas phase) equilibrium reaction was studied at 1349-1596 K;

Dichlorochromium Chemical Properties

IUPAC Name: Dichlorochromium
CAS: 10049-05-5
Formula: Cl2Cr
Molecular Weight: 122.9
Molecular Structure of Dichlorochromium (10049-05-5):

Melting Point: 824 °C(lit.)
Density: 2.9 g/mL at 25 °C(lit.)
Enthalpy of Vaporization: 16.15 kJ/mol 
Vapour Pressure: 33900 mmHg at 25°C 
Water Solubility: 1.843e+004(mg/L) at 25°C
Appearance: grey green powder
Product Categories: catalysis and inorganic chemistry;chemical synthesis;chromium salts;chromiumMetal and ceramic science;crystal grade inorganics;metal and ceramic science;salts.

Dichlorochromium Toxicity Data With Reference

1.    

mmo-sat 1 mg/L

    BECTA6    Bulletin of Environmental Contamination and Toxicology. 40 (1988),597.
2.    

pic-esc 33,300 ng/well

    MUREAV    Mutation Research. 260 (1991),349.
3.    

orl-rat LD50:1870 mg/kg

    AIHAAP    American Industrial Hygiene Association Journal. 30 (1969),470.

Dichlorochromium Consensus Reports

Reported in EPA TSCA Inventory.

Dichlorochromium Safety Profile

Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of Cr.
Safety Information about Dichlorochromium (10049-05-5):
Hazard Codes:
Xn:
Risk Statements about Dichlorochromium (10049-05-5):
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about Dichlorochromium (10049-05-5):
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
F1: Sensitive to air and humidity.
F10: Keep under argon.
RIDADR: UN3260
WGK Germany: 3
RTECS: GB5250000
HazardClass: 8
PackingGroup: III 

Dichlorochromium Standards and Recommendations

OSHA PEL: 8H TWA 0.5 mg(Cr)/m3
ACGIH TLV: TWA 0.5 mg(Cr)/m3

Dichlorochromium Specification

  The chemical synonyms of Dichlorochromium (10049-05-5) are Chromium (ll) chloride anhydrous ; Chromium chloride (Cl2Cr) ; Chromium(ii) chloride (1:2) ; Chromium(ii)chloride(1:2) ; Chromiumchloride(Cl2Cr) ; Chromous ; Chromous chloride ; Chrome chloride .Inorganic reducing agents, such as Chromium(II) Chloride, react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive.It can causes eye irritation.Causes skin irritation.May be harmful if absorbed through the skin.Harmful if swallowed.May cause irritation of the digestive tract.Causes respiratory tract irritation.May be harmful if inhaled.Avoid breathing dust, vapor,mist,or gas.Avoid contact with skin and eyes.Avoid ingestion and inhalation.Store in a cool,dry place.Store in a tightly closed container.Store under an inert atmosphere. 

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