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7440-50-8

Basic Information
CAS No.: 7440-50-8
Name: Copper
Article Data: 750
Cas Database
Molecular Structure:
Molecular Structure of 7440-50-8 (Copper)
Formula: Cu
Molecular Weight: 63.55
Synonyms: 1000Y;100RXH;1020Y;1050Y;1100T;1100Y;115A;1300Y;1300YM;1300YP;1721 Gold;200RL;22BB400;2L3GT;3EC;3EC-HTE;3EC-III;3EC-M3S-HTE;3EC-M3VLP;3EC-M3VLP18;3EC-VEP;3EC-VLP;3EC-VLP18;3EC-VLP35;3EC3;3L Fire;3L3;AM-FN;ATS Adocopper IW;Allbri Natural Copper;Arwood copper;B-WS;B152-ETP;BAC13B-NK120;BAC 13T;BH-WS;BHN;BHN 02T;BHN 70;BHY;BHY 02B-T;BHY 13B-T;BHY13H-HA;BHY 13HT;BHY 13T;BHY 22B;BHY 22B-HA;BHY 22B-T;BHY 22T;BHY-HA;BHYA 13F-HA;BPF 18;BSH (metal);BYH 22B-T;C 1-500;C 1-6000F;C 100;C100 (metal);C.I. 77400;C.I. Pigment Metal 2;CCL-HL 830;CDX (metal);CE1100;CE 1110;CE 115;CE 15;CE 25;CE 6 (copper);CE 7;CE 7 (metal);CE 8A;CF 78;CF-T 8;CF-T 8GD-SV;CF-T 9;CF-T 9-18;CF-T 9A-HP-STD;CF-T9B-THE;CF-T 9C;CF-T 9FZ-SV;CF-T 9LP;CFW 100-156;CR 1766;CS-F 150E;CT315E;CU 112;CU 113253;CU-FN 10;CUE 03PB;CUE 08PB;Copper Powder;Copper element;Cu 1400Y;Cu 300;Cu-At-W 250;Cu-HWQ;Cu-S 100;CuEP;CuEPP;CuLox 6010;CuLox6030;Cubrotec 5000;Cuprum;DC 200;DC 200 (metal);DD Paste TH 9910;DN 02;DP 3;DP 3 (metal);DT GLMP;DT-GLD;Double Thin F-NP;E 115;E 115 (metal);EFC 6000;EXP-DT-NC;F 0WS;F 0WS12;F 0WS18;F 1WS;F 2 Foil;F 2S18;F 2WS;F2WS12;F 2WS18;F 3B-WS;F 3WS;F 3WS12;F 3WS18;F-CP;F-WS;FCC 115;FCC115A;FCC 116;FCC-CP 10;FCC-CP-X 3;FCC-SP 99;FGP;FI-WS;FO-WS 12;FO-WS18;FQ-VLP;FSM;FT 0WS;FWL;FX-BSH;GCU 340;GE 1110;GT;GT (metal);GT-MP;GT-MP 35;GTS;GTS (element);GTS 12;GTS 18;GTS 35;GTS 35 (metal);GTS-MP18;GTS-MP 70;GTS-STD;GTS-STD 35;GTSMP;Gold 3L;HCCD 101;HLA 18;HLA 2;HLB;HLS 9;HPF-ST 10E;HTE;HTE 18;HTE 35;HWF 6.0;HWQ 1.5;HXR-Cu;Ipaligocopper;JTC;JTC 1/2OZ;JTC 12 mm;JTC 1OZ;JTC-A;JTC-AM;JTC-LP;JTCS;Kafar copper;LP;M 330;M 330(metal);M 36.012;MA-CD;MA-CDS;MA-CO 4J;MC 2;MC 2 (metal);MD 1;MD 1(metal);MF-D2;MF-D3;MF-DZ;MF-SH 5;MFP 1110;MFP-CU 125;MTSD-H;Metco 55;Micro Thin;N 254Di;NA-DEF;NA-DFF;NA-VLP;NDGAC 35;
EINECS: 231-159-6
Density: 8.92 g/cm3
Melting Point: 1083.4 °C(lit.)
Boiling Point: 2595 °C
Flash Point: -23°C
Solubility: Insoluble in water
Appearance: reddish metal
Hazard Symbols: FlammableF,DangerousN,IrritantXi,HarmfulXn
Risk Codes: 17-36/38-11-51/52/53-67-65-62-48/20
Safety: 5-26-16-61-62-36/37
Transport Information: UN 3089 4.1/PG 2
PSA: 0.00000
LogP: -0.00250
Synthetic route
Conditions
ConditionsYield
In gaseous matrix byproducts: CuH2(1-), CuD2(1-), H2O; co-deposition of laser-ablated copper with HD in excess Ar at 3.5 K for 60 min; monitoring by IR;
860263-67-8

copper dimer

34557-54-5

methane

7440-50-8

copper(I) hydride

Conditions
ConditionsYield
In gaseous matrix byproducts: CH3; Irradiation (UV/VIS); photoexcitation of Cu2, reaction of Cu-fragments with CH4;
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History

 Copper (CAS NO.7440-50-8) was known to some of the oldest civilizations on record, and has a history of use that is at least 10,000 years old. Some estimates of copper's discovery place this event around 9000 BC in the Middle East.A copper pendant was found in what is now northern Iraq that dates to 8700 BC.It is probable that gold and meteoritic iron were the only metals used by humans before copper.

Consensus Reports

 Copper (CAS NO.7440-50-8) is reported in EPA TSCA Inventory. Copper and its compounds are on the Community Right-To-Know List.

Standards and Recommendations

OSHA PEL: TWA (dust, mist) 1 mg(Cu)/m3; (fume and respirable particles) 0.1 mg/m3
ACGIH TLV: TWA (fume) 0.2 mg/m3; (dust, mist) 1 mg(Cu)/m3
DFG MAK: (dust) 1 mg/m3; (fume) 0.1 mg/m3

Analytical Methods

For occupational chemical analysis use OSHA: #ID-125 G or NIOSH: Copper, 7029; Welding and Brazing Fume, 7200; Elements, 7300.

Specification

The Copper, with the cas registry number 7440-50-8, is a kind of reddish metal. Being stable while incompatible with strong acids, active halogen compounds, chlorine, fluorine, iodine, bromine, ammonia, this chemical may react explosively with strong oxidizing agents. Besides, it is soluble in nitric acid, hot concentrated sulfuric acid while insoluble in cold and hot water.Its product categories are including Metals; Inorganics; Certified Reference Materials(CRMs); Labware; Metal; Tubing; Analytical/Chromatography; Elemental Analysis; Spectroscopy; Industrial Raw MaterialsReference/Calibration Standards; Reactor DosimetryCertified Reference Materials (CRMs); Alphabetic; Application CRMs; C; CO - CZCertified Reference Materials (CRMs).

The characteristics of Copper are as below: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 62.929601; (6)MonoIsotopic Mass: 62.929601; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1.

The production method of Copper is below: Prepare the material of metal cooper to dissolve in the concentrated sulfuric acid to get the electrolyte with the component of Cu 52.3 g/L, H2SO4 200 g/L, with the following condition: electrolyte temperature 58.5℃, slot voltage 0.33 V, cathodic current density 1.82 A/cm2; Next go through the electrolytic refining to get this high purified products.

As to its usage, it is widely applied in many fields. Copper could be used as the electronic industry material and high purified analysis reagent; It could also be used as powder metallurgy parts, diamond sawblade, friction materials, carbon products and chemical catalyst, and also as the catalyst and reductant.

When you are dealing with Copper , you should be very cautious. For one thing, it is irritating to eyes and skin and may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. The vapours may cause drowsiness and dizziness and it may have danger of serious damage to health by prolonged exposure. In addition, it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water. Beside all these, it is dangerous for the environment which may present an immediate or delayed danger to one or more components of the environment. Being toxic to aquatic organisms, it may cause long-term adverse effects in the aquatic environment.

Therefore, you should take different measurs to deal with different cases. Wear suitable protective clothing and gloves. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice and if swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. When you are storing this chemical, keep away from sources of ignition and then remember not to release to the environment. Then you could also refer to special instructions / safety data sheets.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Cu]
(2)InChI: InChI=1S/Cu
(3)InChIKey: RYGMFSIKBFXOCR-UHFFFAOYSA-N 

Below are the toxicity information of Copper:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TDLo oral 120ug/kg (0.12mg/kg) GASTROINTESTINAL: NAUSEA OR VOMITING Public Health Reports. Vol. 73, Pg. 910, 1958.
 
mouse LD50 intraperitoneal 3500ug/kg (3.5mg/kg)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2A, Pg. 1623, 1981.
rabbit LDLo subcutaneous 375mg/kg (375mg/kg) LIVER: "HEPATITIS (HEPATOCELLULAR NECROSIS), ZONAL"

LIVER: OTHER CHANGES

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
American Journal of Pathology. Vol. 1, Pg. 117, 1925.