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| CAS No.: | 7440-32-6 |
|---|---|
| Name: | Titanium |
| Article Data: | 223 |
| Molecular Structure: | |
 |
|
| Formula: | Ti |
| Molecular Weight: | 51.9118 |
| Synonyms: | Alpaste RTA030;C.P. Titanium;Catamold Ti;DAT 1;DAT 5E;Dentcraft Titan Ingot;EBT(metal);ER711;ER712;Elgard 210;I 131E;KS 40;M 350;M 350 (metal);N 233;OKE 80;PTKh 2;Smelloff-Cutter Titanium;TB 340;TC 459;TG-Tv;TP 270H;TPS350;TR 270C;TR 28C;TW 340;Timet 115;Tiporous 45;Titan 100;Titan 20A;Titan ingot JS3;Titanium element;Titanium fulleride (TiC20);Tiunite;TritanTil/31;Tritanium;Tritanium Dimensionalized Metal;Ventron 00901; |
| EINECS: | 241-036-9 |
| Density: | 4.5g/mLat25°C(lit.) |
| Melting Point: | 1660°C(lit.) |
| Boiling Point: | 3287°C(lit.) |
| Flash Point: | 0°C |
| Solubility: | negligible |
| Appearance: | dark grey lustrous solid |
| Hazard Symbols: |
 F, Xi
|
| Risk Codes: | 20/21/22-11-17-36/38 |
| Safety: | 16-36/37/39-33-27-26-6 |
| Transport Information: | UN 2878 4.1/PG 3 |
| PSA: | 0.00000 |
| LogP: | 0.00000 |
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| Conditions | Yield |
|---|---|
| With calcium chloride; calcium oxide In neat (no solvent) mixt. with flux and binder using stirrer; flux was CaCl2 or CaO powder; binder collodion soln. consisted of 5 mass% nitrocellulose in ethanol and ether; | A 99% B n/a |
- 7440-32-6
titanium
| Conditions | Yield |
|---|---|
| With 29.4 percent Na-70.6 percent Ca alloy 83 % pure Ti; | 97% |
| With 29.4 percent Na-70.6 percent Ca alloy 83 % pure Ti; | 97% |
| With calcium 82.5 % pure Ti; | 95.8% |
| Conditions | Yield |
|---|---|
| With Mg byproducts: MgCl2; under Ar, 700-1060°C; washed with water, aq.HCl, alcohol, dried at 120°C, molten in electric arc oven; | 95.9% |
| With methane In gas byproducts: C; Ar; flow-type quartz reactor at 973 K; an aliquot of the chloride was placed in a vaporizer that was at the boiling point of the chloride; together with the methane stream, the chloride was fed from the vaporier to the reactor;; | |
| Electrolysis; in salt melt; |
- 7440-32-6
titanium
| Conditions | Yield |
|---|---|
| In melt Electrolysis; Ti dust pellets sintered at 900°C for 2 h; pellet wrapped with Momesh and wires; heated in air at 330°C for 24 h; electrolysis at 3.1 V in molten CaCl2 at 900°C for 12 h (Ar); cathode lifted ffrom molten salt, cooled in Ar stream, washed in distd. water and dreid in air; detn. by SEM, EDX, XRD, oxygen anal.; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) High Pressure; TiO2 and Mg were heated at 750°C for 5 h under autogenic pressure; react. mixt was gradually cooled to room. temp. for 5 h, MgO was removedby aq. AcOH for 1 day, ppt. was centrifugated, washed with water and Et OH, and dried, washe with formic acid for 2 days, washed and dried; | |
| With NaCl In neat (no solvent) High Pressure; mixt. of TiO2, magnesium powder, and NaCl pellitized; metallic Ti prepd.by method of self-propogation high-temp. stynthesis in reactor under Ar; detn. by XRD; |
- 7440-32-6
titanium
| Conditions | Yield |
|---|---|
| With sodium purification via TiI4; | |
| With Na purification via TiI4; |
- 7440-32-6
titanium
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: H2; decomposition at 850°C; |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) byproducts: Al, H2, LiCl; mixing of TiCl3 and aluminium compd., ball milling for 20 min in H2; Easton D.S., Schneibel J.H., Speakman S.A. J. Alloys Compd. 2005, 398, 245-248; Balema V., Wiench J.W., Dennis K., Pruski M., Pecharsky V.J. J. Alloys Compd. 2001, 329, 108-114; |
| Conditions | Yield |
|---|---|
| equilibrium; | |
| equilibrium; |
- 7440-37-1Argon
- 7440-38-2Arsenic
- 7440-46-2Cesium
- 7440-58-6Hafnium
- 7440-63-3Xenon
- 7440-64-4Ytterbium
- 7440-65-5Yttrium
- 7440-68-8Astatine
- 104987-11-3Tacrolimus
- 141-53-7Sodium formate
- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
- Total:38 Page 1 of 1 1
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Chemistry
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IUPAC Name: Titanium
Molecular Formula:Ti
Molecular Weight:47.87
EINECS:241-036-9
Solubility: negligible
Classification Code: Reproductive Effect; Tumor data
Stability: Stable. Dust is thought to be spontaneously flammable, and may form an explosive mixture with air. Flammable solid. Incompatible with mineral acids, halogens, carbon dioxide, strong oxidizing agents.
Flash Point: 0 °C
Density (near r.t.): 4.506 g/cm3
Melting point: 1941 K,1668 °C,3034 °F
Boiling point: 3560 K,3287 °C,5949 °F
Heat of fusion: 14.15 kJ/mol
Heat of vaporization: 425 kJ/mol
Specific heat capacity of Titanium (CAS NO.7440-32-6): (25 °C) 25.060 J/mol/K
Uses
Titanium is used in steel as an alloying element (ferro-titanium) to reduce grain size and as a deoxidizer, and in stainless steel to reduce carbon content. About 95% of titanium ore extracted from the Earth is destined for refinement into titanium dioxide (TiO2), an intensely white permanent pigment used in paints, paper, toothpaste, and plastics. It is also used in cement, in gemstones, as an optical opacifier in paper, and a strengthening agent in graphite composite fishing rods and golf clubs.
Due to their high tensile strength to density ratio, high corrosion resistance, fatigue resistance, high crack resistance, and ability to withstand moderately high temperatures without creeping, titanium alloys are used in aircraft, armor plating, naval ships, spacecraft, and missiles. Due to its high corrosion resistance to sea water, titanium is used to make propeller shafts and rigging and in the heat exchangers of desalination plants; in heater-chillers for salt water aquariums, fishing line and leader, and for divers' knives. Titanium is used to manufacture the housings and other components of ocean-deployed surveillance and monitoring devices for scientific and military use.
Welded titanium pipe and process equipment (heat exchangers, tanks, process vessels, valves) are used in the chemical and petrochemical industries primarily for corrosion resistance. Specific alloys are used in downhole and nickel hydrometallurgy applications due to their high strength titanium Beta C, corrosion resistance, or combination of both. The pulp and paper industry uses titanium in process equipment exposed to corrosive media such as sodium hypochlorite or wet chlorine gas (in the bleachery). Other applications include: ultrasonic welding, wave soldering, and sputtering targets.
Titanium metal is used in automotive applications, particularly in automobile or motorcycle racing, where weight reduction is critical while maintaining high strength and rigidity. The metal is generally too expensive to make it marketable to the general consumer market, other than high-end products, particularly for the racing/performance market. Late model Corvettes have been available with titanium exhausts.
Because it is biocompatible (non-toxic and is not rejected by the body), titanium is used in a gamut of medical applications including surgical implements and implants, such as hip balls and sockets (joint replacement) that can stay in place for up to 20 years.
Toxicity Data With Reference
| 1. | ims-rat TDLo:114 mg/kg/77W-I:ETA | NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the National Cancer Institute by the Institute of Chemical Biology, University of San Francisco. (San Francisco, CA 94117) PH 43-64-886,JUL ,1968. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Questionable carcinogen with experimental tumorigenic data. Experimental reproductive effects. The dust may ignite spontaneously in air. Flammable when exposed to heat or flame or by chemical reaction. Titanium can burn in an atmosphere of carbon dioxide, nitrogen, or air. Also reacts violently with BrF3, CuO, PbO, (Ni + KClO3), metaloxy salts, halocarbons, halogens, CO2, metal carbonates, Al, water, AgF, O2, nitryl fluoride, HNO3, O2, KClO3, KNO3, KMnO4, steam @ 704°, trichloroethylene, trichlorotrifluoroethane. Ordinary extinguishers are often ineffective against titanium fires. Such fires require special extinguishers designed for metal fires. In airtight enclosures, titanium fires can be controlled by the use of argon or helium. Titanium, in the absence of moisture, burns slowly, but evolves much heat. The application of water to burning titanium can cause an explosion. Finely divided titanium dust and powders, like most metal powders, are potential explosion hazards when exposed to sparks, open flame, or high-heat sources.
Hazard Codes: 
F,
Xi
Risk Statements: 20/21/22-11-17-36/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R11:Highly flammable.
R17:Spontaneously flammable in air.
R36/38:Irritating to eyes and skin.
Safety Statements: 16-36/37/39-33-27-26-6
S16:Keep away from sources of ignition.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S33:Take precautionary measures against static discharges.
S27:Take off immediately all contaminated clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S6:Keep under ... (there follows the name of an inert gas).
RIDADR: UN 2878 4.1/PG 3
WGK Germany: 3
RTECS: XR1700000
F: 10
HazardClass: 4.2
PackingGroup: III
Analytical Methods
For occupational chemical analysis use NIOSH: Elements (ICP), 7300 or Tissue 8005 (ICP), 8310.
Specification
Titanium (CAS NO.7440-32-6), its Synonyms are ATI 24 ; C.P. titanium ; CP Titanium ; Contimet 30 ; Oremet ; Smelloff-cutter titanium ; Titanium (dry powder) ; Titanium 50A ; Titanium A-40 ; Titanium VT1 ; Titanium alloy ; Titanium metal powder, dry ; Titanium-125 . Titanium is a gray lustrous powder. It can be easily ignited and burns with an intense flame. The very finely powdered material may be ignited by sparks.