Dayangchem's 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. DayangChem can provide different quantities
Cas:62-54-4
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryWuhan Biet Co., Ltd. was set up in July 2010. It specializes in the research and development, production, sales and service of toluene oxidation. We are a sales company that produces benzoic acid, sodium benzoate, benzyl benzoate, polyol benzoate, be
Product description: Product name Calcium acetate CAS number 62-54-4 Assay ≥98% Appearance White crystal or powder Capacity 200mt/year Application Used as a food stabilizer,
Cas:62-54-4
Min.Order:10 Gram
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inquiryUnique advantages for Calcium acetate Cas 62-54-4 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:N/A Package:25kg/drum Application:Food add
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:62-54-4
Min.Order:1 Gram
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Type:Trading Company
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inquiryCalcium acetate anhydrous ITEM LIMIT Content 99.0% ~ 100.5% PH (5% solution at 25 6.3-9.6 Loss on drying =<2.0% Heavy metals (as PB) =&
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Min.Order:1 Kilogram
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inquiryThe 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
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Cas:62-54-4
Min.Order:1 Kilogram
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inquiryAcetic acid calcium salt Basic information Product Name: Acetic acid calcium salt Synonyms: acetatedecalcium;Aceticacid,calciunsalt;brownacetate;brownacetateoflime[qr];grayacetate;grayac
Cas:62-54-4
Min.Order:1 Gram
Negotiable
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Cas:62-54-4
Min.Order:10 Gram
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inquiryProduct Name:Calcium acetate CAS No:62-54-4 Other Name:acetate EINECS No:200-540-9 MF:C4H6CaO4 MW:158.17 Calcium Acetate anhydrous is available as white powder or granule. These two versions are chemically identical and differ only in phy
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Min.Order:10 Gram
Negotiable
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
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Min.Order:1 Gram
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Min.Order:1 Kilogram
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Cas:62-54-4
Min.Order:1 Kilogram
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Cas:62-54-4
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Cas:62-54-4
Min.Order:10 Gram
Negotiable
Type:Trading Company
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Min.Order:10 Kilogram
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inquiryConditions | Yield |
---|---|
With calcium carbonate In water | 100% |
With calcium hydroxide |
Conditions | Yield |
---|---|
In acetic anhydride byproducts: NO2, Ca(NO3)2; heating a clear soln. of 6 g Ca(NO3)2*4H2O and 30 ml acetic anhydride; pptn.;; storage for some time in 96% ethanol, to remove Ca(NO3)2; sucking off; dehydration by 2 h heating in vac. at 130°C;; | 71% |
In acetic anhydride byproducts: NO2, Ca(NO3)2; heating a clear soln. of 6 g Ca(NO3)2*4H2O and 30 ml acetic anhydride; pptn.;; storage for some time in 96% ethanol, to remove Ca(NO3)2; sucking off; dehydration by 2 h heating in vac. at 130°C;; | 71% |
Conditions | Yield |
---|---|
In acetic anhydride H2O free;; | 59% |
In acetic anhydride H2O free;; | 59% |
Conditions | Yield |
---|---|
With calcium(II) nitrate |
Conditions | Yield |
---|---|
at 250℃; bei der Behandlung mit Wasser; |
Conditions | Yield |
---|---|
In water for 2.5h; | |
In acetic acid Kinetics; byproducts: H2O, CO2; kinetic of CaCO3 dissolution in acetic acid at temp. 283-343 K was studied; elem. anal.; | |
In water gray lime production: CaCO3 from production of acetone; concg. to dryness;; |
Conditions | Yield |
---|---|
In water Product distribution / selectivity; | |
In water gray lime production: treatment of raw acetic acid;; | |
In acetic acid addn. of acetic acid (even diluted) to CaO at ambient temp. or faster and more complete at elevated temp.;; |
Conditions | Yield |
---|---|
In acetic acid sample dissoln. in AcOH glaciale, heating on steam bath; | |
In water gray lime production: treatment of raw acetic acid described; neutralisation with milk of lime;; purification via destillation;; | |
In water gray lime production: apparatus described;; |
Conditions | Yield |
---|---|
In water byproducts: C2H2; |
Conditions | Yield |
---|---|
In acetone Ca(ClO)2 reacts with acetone forming CHCl3, Ca(CH3CO2)2 and Ca(OH)2;; | |
In acetone Ca(ClO)2 reacts with acetone forming CHCl3, Ca(CH3CO2)2 and Ca(OH)2;; |
Conditions | Yield |
---|---|
In not given gray lime production; apparatus described;; | |
In not given gray lime production; apparatus described;; |
Conditions | Yield |
---|---|
In water; acetic acid step by step addn. of 110 ml glacial acetic acid to suspension of 100 g pptd. CaCO3 in 500-700 ml water; filtration;; vaporization of filtrate on water bath, until pptn. of white flakes, which are H2O free Ca(CH3CO2H)2; after storage of mother lye for few days, crystn. of 1-hydrate, which is purified by recrystn.;; | |
In water; acetic acid step by step addn. of 110 ml glacial acetic acid to suspension of 100 g pptd. CaCO3 in 500-700 ml water; filtration;; vaporization of filtrate on water bath, until pptn. of white flakes, which are H2O free Ca(CH3CO2H)2; after storage of mother lye for few days, crystn. of 1-hydrate, which is purified by recrystn.;; |
Conditions | Yield |
---|---|
Ar-atmosphere; glacial CH3COOH, oxide or carbonate; |
calcium acetate
Conditions | Yield |
---|---|
With acetic anhydride In acetic anhydride reflux over acetic anhydride for 24 h; washing with benzene and drying under reduced pressure; |
Conditions | Yield |
---|---|
In acetic acid residue of calcium acetate by distn. of molten CaCl2 and acetic acid;; | |
In acetic acid |
Conditions | Yield |
---|---|
In not given gray lime production: acetic acid from industrial process;; | |
In not given gray lime production: acetic acid from industrial process;; |
Conditions | Yield |
---|---|
In water byproducts: Ag, CH3CO2H, CO2; | |
In water byproducts: Ag, CH3CO2H, CO2; |
Conditions | Yield |
---|---|
In water neutral Pb acetate solution;; |
Conditions | Yield |
---|---|
In neat (no solvent) reaction at elevated temp.;; | |
In neat (no solvent) reaction at elevated temp.;; |
calcium acetate
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: H2O; decompn. after few days by formation of gas;; |
calcium acetate
Conditions | Yield |
---|---|
In ethanol | |
In diethyl ether | |
In diethyl ether | |
In ethanol |
calcium acetate
Conditions | Yield |
---|---|
In diethyl ether byproducts: acetic acid; decompn. in ether;; | |
In diethyl ether |
Conditions | Yield |
---|---|
In ethanol decompn. in abs. ethanol;; Ca(CH3CO2)2 in soln.; pptn. of Ca(CH3CO2)2*CH3CO2H;; | |
In ethanol |
calcium acetate
Conditions | Yield |
---|---|
In diethyl ether byproducts: acetic acid; loss of CH3CO2H in ether;; | |
In diethyl ether |
Conditions | Yield |
---|---|
In ethanol with abs. ethanol in few days;; Ca(CH3CO2)2 partially in soln., partially in formed gel; residue Ca(CH3CO2)2*0.5CH3CO2H;; | |
In ethanol |
Conditions | Yield |
---|---|
With water; calcium hydroxide at 80℃; for 1h; |
calcium acetate
Conditions | Yield |
---|---|
In isopropyl alcohol for 2h; | 100% |
In tetrahydrofuran for 2h; |
D-tartaric acid
water
calcium acetate
calcium l-tartrate*4H2O
Conditions | Yield |
---|---|
In acetic acid addn. of 15 ml 95 % ethanol to mixture of 50 ml 1 % l-tartaric acid soln. and 10 ml Ca(CH3CO2)2 soln. (preparation for 1 l: 32 g CaCO3, 120 ml pure acetic acid, rest H2O); add. of further 15 ml 95 % ethanol after 24 hs; complete pptn. after 48 hs;; washing 3 times by decantation, pressing on filter paper, drying at ambient temp.;; | 98.95% |
In acetic acid addn. of 1 l acetic Ca(CH3CO2)2 soln. (32 g CaCO3, 120 ml pure acetic acid, rest H2O) to 2 l 1 % d-tartaric acid soln.; complete pptn. after 24 hs;; washing 3 times by decantation, pressing on filter paper, drying at ambient temp.;; | |
In acetic acid |
L-Tartaric acid
water
calcium acetate
calcium d-tartrate*4H2O
Conditions | Yield |
---|---|
In acetic acid addn. of 15 ml 95 % ethanol to mixture of 50 ml 1 % d-tartaric acid soln. and 10 ml Ca(CH3CO2)2 soln. (preparation for 1 l: 32 g CaCO3, 120 ml pure acetic acid, rest H2O); add. of further 15 ml 95 % ethanol after 24 hs; complete pptn. after 48 hs;; washing 3 times by decantation, pressing on filter paper, drying at ambient temp.;; | 98.95% |
In acetic acid addn. of 1 l acetic Ca(CH3CO2)2 soln. (32 g CaCO3, 120 ml pure acetic acid, rest H2O) to 2 l 1 % d-tartaric acid soln.; complete pptn. after 24 hs;; washing 3 times by decantation, pressing on filter paper, drying at ambient temp.;; | |
In acetic acid |
Conditions | Yield |
---|---|
at 180℃; for 2h; Microwave irradiation; | 98.4% |
Conditions | Yield |
---|---|
In acetic acid for 2.5h; Reflux; chemoselective reaction; | 97% |
1,10-bis-(4,5-dihydro-3-methyl-1-phenylpyrazol-5-on-4-yl)decane-1,10-dione
calcium acetate
Conditions | Yield |
---|---|
In ethanol; water addn. of warm metal salt soln. to ethanolic ligand soln. (mole ratio 1:1); stirring; suction filtering of product; washing with H2O; leaching unreacted ligand with chloroform; drying (CaCl2); elem.anal.; | 95% |
calcium acetate
Conditions | Yield |
---|---|
Stage #1: methyl (3R,5S,E)-7-(2-(1-chloro-N-methylmethylsulfonylamino)-4-(4-fluorophenyl)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate With sodium hydroxide In acetonitrile at 60℃; for 1h; Stage #2: calcium acetate In acetonitrile | 95% |
Conditions | Yield |
---|---|
With acetic acid In water for 0.5h; | 92.84% |
2,5-dianilinoterephthalic acid dimethyl ester
calcium acetate
Conditions | Yield |
---|---|
91.6% |
Conditions | Yield |
---|---|
In water for 2h; | 90% |
Conditions | Yield |
---|---|
With ammonium sulfate; sodium hydroxide In water pH=7.5; polystyrene divinylbenzene adsorbent; Product distribution / selectivity; Tris-buffer; | 87% |
With ammonium sulfate; sodium hydroxide In water pH=7.5; acrylic adsorbent; Product distribution / selectivity; Tris-buffer; | 70% |
Conditions | Yield |
---|---|
With potassium nitrate In water at 210℃; for 96h; High pressure; Autoclave; | 86% |
Conditions | Yield |
---|---|
Stage #1: calcium acetate; atorvastatin In water; acetonitrile at 44℃; for 1.25h; Stage #2: With sodium hydroxide In water at 30 - 70℃; for 9.5h; Product distribution / selectivity; | 84.35% |
calcium acetate
Conditions | Yield |
---|---|
With K2CO3 In methanol; water to flask charged with soln. (CH3OH) of tosylhydrazone and Ca compd. added aq. soln. of Ti and K compds., stirred for 72 h; excess of K2CO3 filtered off, solvent evapd. under reduced pressure; | 82% |
Conditions | Yield |
---|---|
In methanol; chloroform; water a soln. of Zn salt in MeOH and a soln. of Ca salt in H2O/MeOH added to asoln. of ligand in CHCl3; evapd., crystd. by vapor diffusion of Et2O into a CHCl3/MeOH soln.; elem. anal.; | 77% |
Conditions | Yield |
---|---|
Stage #1: Rosuvastatin lactone With sodium hydroxide In methanol; water for 3h; pH=8.5 - 8.7; Stage #2: calcium acetate In water at 20 - 22℃; for 2h; Product distribution / selectivity; | 75% |
Conditions | Yield |
---|---|
In water addn. of aq. soln. of cobalt chloride and calcium acetate to aq. soln. of pyridine deriv., stirring for 1 h; filtration, evapn. of filtrate for several ds, isolation of crystals, elem. anal.; | 75% |
Conditions | Yield |
---|---|
In water at 25℃; for 0.0833333h; | 73% |
Conditions | Yield |
---|---|
at 69.84℃; for 6h; | 72.1% |
4-(Diethylamino)salicylaldehyde
calcium acetate
2,3-diaminomaleonitrile
Conditions | Yield |
---|---|
In ethanol at 70℃; for 12h; | 72% |
Conditions | Yield |
---|---|
In ethanol | 67.2% |
Conditions | Yield |
---|---|
In ethanol; water An aq. soln. of metal salt is warmed and added to a stirred ethanolic soln. of ligand-compd.; Standing in an open baker for 3 days, product. is filtered with suction, washed with water, dried in air and stored in a desiccator (CaCl2), elem. anal.; | 61% |
Conditions | Yield |
---|---|
In water molar ratio V2O5:V:H3PO4:metal acetate:water=1:0.5:23:1:833, Teflon-lined bomb, 200°C, 2 d; collection (filtration), washing (water, Me2CO); | 60% |
Conditions | Yield |
---|---|
In methanol for 1h; Reflux; | 56% |
Conditions | Yield |
---|---|
In neat (no solvent) addn. of calcium acetate (equal weight); heating to 575-625°C;; | 50% |
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