20960
Cesium carbonate
purum p.a., ≥98.0% (T)
동의어(들):
Carbonic acid dicesium
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
Cs2CO3
CAS 번호:
Molecular Weight:
325.82
UNSPSC Code:
12352301
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-591-9
Beilstein/REAXYS Number:
4546405
MDL number:
Assay:
≥98.0% (T)
grade
purum p.a.
Quality Level
assay
≥98.0% (T)
loss
≤2% loss on drying
mp
610 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤1000 mg/kg, sulfate (SO42-): ≤500 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤200 mg/kg, Na: ≤250 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
SMILES string
[Cs+].[Cs+].[O-]C([O-])=O
InChI
1S/CH2O3.2Cs/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key
FJDQFPXHSGXQBY-UHFFFAOYSA-L
Application
Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.
Catalyst for:
aerobic oxidation of primary alcohols
1,4-addition reactions
Reagent for:
Synthesis of phosphazene derivatives
Constrictive binding interactions
Intramolecular C-N cross coupling reactions
Dehydrohalogenative polycondensation
aerobic oxidation of primary alcohols
1,4-addition reactions
Reagent for:
Synthesis of phosphazene derivatives
Constrictive binding interactions
Intramolecular C-N cross coupling reactions
Dehydrohalogenative polycondensation
Other Notes
Used for preparing cesium carboxylates which react with halogenides to give esters and lactones ; Used for an analogous preparation of thio ethers
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Repr. 2 - STOT RE 2 Oral
target_organs
Kidney,Adrenal gland,Testes
저장 등급
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
W.H. Kruizinga et al.
Journal of the American Chemical Society, 103, 5183-5183 (1981)
J.W. Huffman et al.
Synthetic Communications, 13, 553-553 (1983)
Jingya Yang, et al
Synthesis, 8, 1325-1333 (2010)
국제 무역 품목 번호
| SKU | GTIN |
|---|---|
| 20960-10G-F | 04061833482001 |
| 20960-250G-F | 04061833397985 |
| 20960-50G-F | 04061833448618 |