Dayang Chem (Hangzhou) Co.,Ltd.
DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Ality Chemical Corporation
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Chemwill Asia Co., Ltd.
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Hebei yanxi chemical co.,LTD.
Chengdu words and import and export co., LTD is one specialized is engaged in pharmaceutical intermediates, fine chemical industry in the field of research. Development and production of high-tech enterprises.We can provide Ephedrine products to ne
Hangzhou J&H Chemical Co., Ltd.
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Henan Tianfu Chemical Co., Ltd.
Lanthanum lanthanum atom CAS No.: 7439-91-0 Synonyms: Lanthan; 57La; Lanthanum chips; Lanthane; Lanthanum foil; Lantano; Lanthanum ingot; LANTHANUM; Formula: La Exact Mass: 138.90600 Molecular Weight: 138.90500 PSA: 0.00000 LogP
Cas:7439-91-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryKono Chem Co.,Ltd
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Zhuozhou Wenxi import and Export Co., Ltd
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:7439-91-0
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAntimex Chemical Limied
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:7439-91-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Ocean Chemical Co., Ltd.
1.Quality control, test sample before shipping and keep sample for 3 years after shipping;2. Prompt shipment with professional documents;3. Packing as your request, with photo before shipment;626. Mixed container, we can mix different items in one co
Hunan Russell Chemicals Technology Co.,Ltd
low price and high purityAppearance:solid or liquid Storage:in sealed air resistant place Package:As customer require Application:Pharma;Industry;Agricultural Transportation:by sea or by airplane Port:any port in China
Cas:7439-91-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHunan Longxianng Runhui Trading Co.,Ltd
LANTHANUM SERIES Application:Adding lanthanum oxide to the glass can increase the refraction coefficient of glass to decrease chromatic dispersion. Lanthanum oxide can be used to make various optical glasses. Fluorescent Mate Transportation:By e
Beantown Chemical
in stock Application:7439-91-0
Cas:7439-91-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHWRK Chem
in storeAppearance:particles Package:25g Application:Organic Chemicals
Hebei Ruishun Trade Co.,Ltd
HeBei RuiShun Trade Co.,LTD, registered capital one million,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,Seek development by credit reputation.Our products have a large price adva
Cas:7439-91-0
Min.Order:500 Gram
FOB Price: $0.9 / 1.2
Type:Trading Company
inquiryRARE EARTH TRADE CO
The products mainly include lanthanum oxide La2O3, lanthanum carbonate La2(CO)3, lanthanum acetate La(AC)3, lanthanum hydroxide La(OH)3, crystalline lanthanum chloride LaCL3, lanthanum nitrate La(NO3)3,lanthanum sulfate La2(SO4)3 chloride. Applica
Strem Chemicals, Inc.
1.High Quality Specialty Chemicals2.Expertise and Experience in Manufacturing High Purity, High Quality Chemicals3.Long Term Focus in Inorganics, Organometallics and Metals4.ISO 9001 CertifiedAppearance:packed in mineral oil
Hebei Minshang Biotechnology Co., Ltd
LANTHANUM SERIES Application:Adding lanthanum oxide to the glass can increase the refraction coefficient of glass to decrease chromatic dispersion. Lanthanum oxide can be used to make various optical glasses. Fluorescent Mate
Skyrun Industrial Co.,Ltd
Adequate stocks available,prompt shipment,Strictly control on quality,Timely after-sales Application:API
Cas:7439-91-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCerametek Materials（ShenZhen）Co., Ltd.
Lanthanum (La) rare earth metal; Appearance:in piece, rod, and powders (mesh);
NovaChemistry
high purity Application:Drug intermediates Materials intermediates and active molecules
Synthetic route
-
-
13709-38-1
lanthanum(III) fluoride
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With lithium In neat (no solvent) reduction at 1000K, under He, Mo-vessel;; | 98.4% |
| In neat (no solvent) 1mol I2 per 1.5mol LaF3;; product containing 470ppm C and 213ppm N;; | 94% |
| In gas electric discharge in presence of H2;; intermediate formation of LaF indicated by MS; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In ethylenediamine Electrolysis; 1.77g La/l (in form of nitrate), 250-300VV, 20mA (2.3mA/cm**2);; | 96.2% |
| In ethanol Electrolysis; Hg cathode, satd. soln. in abs. ethanol, current density 0.3A/cm**2, 4h; formation of La amalgame;; |
-
-
10099-58-8
lanthanum(III) chloride
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With Mg or Ca In neat (no solvent) booster: I2, addn. of o.5mol dry I2 or 0.3mol I2 and 0.0625mol KClO4 per 1mol LaCl3, CaO-coated bomb; decrease of react. temp. to 850°C on addn. of 20mol-% KCl (flux);; | 91% |
| In melt Electrolysis; electrolyte: LaCl3, KCl, 1-5wt.-% CaF2, 960-980°C, 7V, 12A, cathodic current density 4A/cm**2, coal anode (with caps of fluorite and porcelain), Mo cathode;; product free from Ca and Al, small amounts of Si and Fe;; | 65% |
| In melt Electrolysis; melt (in wt.-%): 27% LaCl3, 68 KCl, 5 CaF2, graphite anode, Mo cathode, 100°C, cathodic current density 7A/cm**2, current yield 50%;; | 60% |
-
-
13536-79-3
lanthanum(III) bromide
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With potassium In neat (no solvent) passing K-vapor over LaBr3 in vac.;; | 90% |
-
-
13813-22-4
lanthanum(III) iodide
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In gas Van Arkel-De Boer-process, 1000-1100°C;; | 20% |
-
B
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: H2O, CO, CO2; heated in air at 970°C; detd. by X-ray diffraction, IR spectra, thermogravimetry and DTA; | A n/a B 1% C n/a D 1% |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With magnesium byproducts: MgO; | |
| With aluminium In neat (no solvent) byproducts: AlO; reduction in vac. at 800-1500°C;; | |
| With (3S,3aS,4S,4aS,6S,8aR,8bR,11S)-6,11-dihydroxy-3-methyl-12-methylene-2-oxo-4a,6-ethano-3,8b-prop-1-enoperhydroindeno[1,2-b]furan-4-carboxylic acid In neat (no solvent) no reduction at 298 to 2000K;; | 0% |
| In melt Electrolysis; 26mol-% LaF3, 30-80mol-% LiF, 5-50mol-% BaF2, graphite anode, Mo cathode, 8-15V, 400-800A, contineuous process;; | >97 |
| With Hg; HCl; acetic acid In hydrogenchloride byproducts: H2; Electrochem. Process; soln. La2O3 in HCl; amalgamation on Hg cathode in buffer pH=3.4-3.7 (CH3COOH, CH3COONa); decomposed at 900-1250°C below 1E-6 Torr; various product yields (36-70.9%) for various conditions; amalgam rinsed (H2O, EtOH); degassed at 1000°C in vac.; elem. anal.; |
| Conditions | Yield |
|---|---|
| vapor of the oxide studied by MS; detected by MS; |
| Conditions | Yield |
|---|---|
| 1000-1700°C, in vac.; |
| Conditions | Yield |
|---|---|
| In melt Electrolysis; 73 wt.-% LaF3, 15 wt.-% LiF, 12 wt.-% BaF2, La2O3, 810-830°C, 11V, 249A, 11A7cm**2 (cathode), 4.4A/cm**2 (anode), 132 min, energy consumption: 7.5kWh/kg;; pure metal;; | |
| In melt Electrolysis; melt of LiF and LaF3 with 2% La2O3, 95A, 27V, current density in the beginning: 1.0A/cm**2 (anode), 31.4A/cm**2 (cathode), 850-1000°C;; purity 99.8%;; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In further solvent(s) Electrolysis; all manipulations under Ar atm.; LaNi5 alloy ingot (as anode) electrolyzed in molten salt containing 59 mol% LiCl-41 mol% KCl with steel cathodeat 793 K vs. Ag(1+)/Ag; |
-
-
7440-67-7
zirconium
-
-
851363-60-5, 7783-64-4
zirconium(IV) fluoride
-
-
13709-38-1
lanthanum(III) fluoride
-
A
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In melt treatment of LaF3 (2-10 wt%) with Zr (Zr:LaF3=4:1) in mixt. of NaF (51 mol%) and ZrF4 (49 mol%); outgassing at 200 and 400°C for 1 h; heating to 570-650°C in Ar; monitoring by XRD; |
-
-
7440-67-7
zirconium
-
-
13709-38-1
lanthanum(III) fluoride
-
A
-
7439-91-0
lanthanum
-
B
-
851363-60-5, 7783-64-4
zirconium(IV) fluoride
| Conditions | Yield |
|---|---|
| With NaF; LiF In melt byproducts: NaLaF4, LiLaF4; heating of LaF3 and Zr in molten mixt. of 39 mol % NaF and 61 mol % LiF at 465 - 625°C; monitoring by differential thermal XRD and IR; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With tantalum In neat (no solvent) heating a pressed mixture of LaC2 and Ta (99.7 wt.-% Ta) under Ar to 1800-1900°C; distn. >2000°C;; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In ethanol Electrolysis; Hg cathode, satd. soln. in abs. ethanol, current density 0.2A/cm**2, 3h; formation of La amalgame;; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In neat (no solvent) Irradiation (UV/VIS); lanthanide compd. photodissociation by excimer laser irradiation at 248 nm; LIF detection; |
-
-
51305-40-9
lanthanum chloride hydrate
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In ethanol Electrolysis; 20g LaCl3*H2O in 100ml ethanol, Hg cathode, 20V, current density 0.02A/cm**2, 30h, formation of an amalgame with 2.5-3 wt.-% La, washing with ethanol and ether, generation of La by decompn.;; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| In gaseous matrix Irradiation (UV/VIS); 248 nm photodissociation (excimer laser); buffer gas N2; LIF detection; |
| Conditions | Yield |
|---|---|
| In ethanol Electrolysis; coprecipitation with La;; | |
| In ethanol |
| Conditions | Yield |
|---|---|
| In solid decompn. at 1910-2313K; not isolated; MS; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) thermal dehydration in dynamic high vacuum (850°C, 20h, end pressure: 1E-5mbar);; | A n/a B 0% C n/a |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) Irradiation (UV/VIS); laser ablation of La-Ca-Mn-O target (mixture of oxides, nominal composition La0.67Ca0.33MnO3, calcination at 800°C for 5 h); laser beam 532nm (Nd:YAG laser); quadrupole and TOF mass spectrometry; |
| Conditions | Yield |
|---|---|
| In melt reduction LaI3 with Na (1:2.2) in Ta container at 500-550°C for 3days; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| Stage #1: N,N'-p‐phenylenebis(salicylideneimine)diaqua lanthanum chloride heptahydrate at 30 - 183℃; Stage #2: at 184 - 750℃; |
-
-
63269-81-8
F6La(3-)
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With (LiF)0.465(NaF)0.115(KF)0.42 In melt at 649.84℃; Kinetics; Temperature; Electrochemical reaction; |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| at 340 - 470℃; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) stoich. mixt. sealed in Ta tubes under Ar; Ta tubes sealed in silica ampoules (1E-2 mbar); heated (900°C, 20 d); | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) stoich. mixt. heating in sealed Ta capsule under Ar at 1450 K for 7 d; | 100% |
| In neat (no solvent) dry Ar-atmosphere; stoich. amts., sealed Ta-capsule, 1450 K, 7 d; quenching in cold water; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) stoich. mixt. heating in sealed Ta capsule under Ar at 1370 K for 10 d; | 100% |
| In neat (no solvent) dry Ar-atmosphere; stoich. amts., sealed Ta-capsule, 1370 K, 10 d; quenching in cold water; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under Ar, stoich. amt. of starting materials were heated at 950 °C for 20 days, Ta-tube in an evacuated silica ampoule; | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) stoich. mixt. sealed in Ta tubes under Ar; Ta tubes sealed in silica ampoules (1E-2 mbar); heated (850°C, 20 d); | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) stoich. mixt. sealed in Ta tubes under Ar; Ta tubes sealed in silica ampoules (1E-2 mbar); heated (950°C, 33 d); | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under Ar, stoich. amt. of starting materials were heated at 1150 °C for 6 days, Ta-tube in an evacuated silica ampoule; | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under Ar, stoich. amt. of starting materials were heated at 1150 °C for 2 days, Ta-tube in an evacuated silica ampoule; | 100% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under Ar, stoich. amt. of starting materials were heated at 1100 °C for 3 days, Ta-tube in an evacuated silica ampoule; | 100% |
-
-
680-31-9
N,N,N,N,N,N-hexamethylphosphoric triamide
-
-
7439-91-0
lanthanum
-
-
209743-19-1
(C8H8)La(OP(N(CH3)2)3)4(1+)*La(C8H8)2(1-)=[(C8H8)La(OP(N(CH3)2)3)4][La(C8H8)2]
| Conditions | Yield |
|---|---|
| iodine In tetrahydrofuran Ar-atmosphere; stirring (50°C, 10 d); crystn. on concg. (-20°C); | 100% |
| Conditions | Yield |
|---|---|
| at 299.84 - 999.84℃; | A 100% B n/a |
| Conditions | Yield |
|---|---|
| With rubidium chloride at 700℃; for 96h; Sealed tube; | 99.5% |
| With rubidium chloride; lithium chloride In neat (no solvent) La, Te, RbCl and LiCl mixed; mixt. in vac. quartz ampoules heated and kept at 650°C for 50 h; gradually cooled to 540°C in 100 h; XRD; | |
| In melt mixt. of element powders sealed in quartz ample together with of the flux (LiCl:RbCl=1:1); ample kept at 650°C for two ds; temp. gradually lowered to 540°C in 4 ds; |
| Conditions | Yield |
|---|---|
| In melt heating lanthanum, gold and indium in molar ratio 1:2:4 to 1000 for 10 hin vac., keeping at 1000°C for 120 h; cooling to room temp. for 48 h, X-ray anal.; | 99% |
| Conditions | Yield |
|---|---|
| With sodium In isopropyl alcohol byproducts: NaCl, H2; dry educts; dry atmosphere;; NaCl centrifuged off; evapd.; dried under 1 torr vacuum at 110°C; elem. anal.;; | 99% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) La/LaI3/Ru in a 2/1/1 mole ratio in Nb tube heated to 900°C for 7wk; | 99% |
| Conditions | Yield |
|---|---|
| With NaBr In neat (no solvent, solid phase) byproducts: NaBr; calcd. amts. of elements and compds. reacted in evacuated silica tube with excess NaBr as flux at 850°C for 7 d; | 99% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) (Ar); heating stoich. mixt. of lanthanum, lanthanum bromide and iron at 800°C for 21 d; powder X-ray; | 99% |
| Conditions | Yield |
|---|---|
| With Sb2Se3 In melt the mixt. of U, La, Se and Sb2Se3 as flux was placed in the furnace heated to 1123 K in 17 h, kept at 1123 K for 6 days, cooled to 673 K in 150 h, annealed at 673 K for 7 days; sepd. manually; | A n/a B 99% |
| Conditions | Yield |
|---|---|
| In hydrogenchloride Schlenk techniques; dissolution La in concd. aq. HCl (37%); | 99% |
| Conditions | Yield |
|---|---|
| In hydrogen bromide aq. HBr; Schlenk techniques; dissolution La in concd. aq. HBr (48%); | 99% |
| Conditions | Yield |
|---|---|
| In further solvent(s) Schlenk techniques; dissolution La in concd. aq. HI (55%); | 99% |
| Conditions | Yield |
|---|---|
| In tetrahydrofuran byproducts: Hg; under N2 using Schlenk techniques; La powder (5.0 mmol) mixed with Hg(SCN)2 (2.5 mmol); thf added; stirred (ambient temp., 5 d); settled; filtered; concd.; crystd. (5°C); elem. anal.; | 99% |
-
-
7439-91-0
lanthanum
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium chloride In tetrahydrofuran; nitromethane; water | A 98% B n/a |
| Conditions | Yield |
|---|---|
| at 700 - 1100℃; for 336h; Sealed tube; Inert atmosphere; | 97% |
-
-
7439-91-0
lanthanum
-
-
35342-67-7, 35342-68-8
copper (I) tert-butoxide
| Conditions | Yield |
|---|---|
| In 1,2-dimethoxyethane all operations in sealed evacuated tubes with thoroughly dried and degassed solvents; La cutting and t-BuOCu stirred at ca. 20° for 35 h; excess of La and copper ppt. sepd. by centrifugation; reaction mixt. concd. and kept at 80° until complete dissolution of a finely dispersed ppt.; cooled slowly to 20°; crystals sepd. and dried in vacuo; identified by elem. anal.; | A 75.6% B 95.6% |
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