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20840

Sigma-Aldrich

Sodium cacodylate trihydrate

purum p.a., ≥98.0% (T)

Sinonimo/i:

Cacodylic acid sodium salt trihydrate, Dimethylarsinic acid sodium salt, Dimethylarsonic acid sodium salt

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About This Item

Formula condensata:
(CH3)2AsO2Na · 3H2O
Numero CAS:
6131-99-3
Peso molecolare:
214.03
Beilstein:
3702348
Numero CE:
204-708-2
Numero MDL:
MFCD00149079
Codice UNSPSC:
12352100
ID PubChem:
57647877
NACRES:
NA.21

Grado

purum p.a.

Livello qualitativo

200

Saggio

≥98.0% (T)

Forma fisica

solid

Anioni in tracce

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg

Cationi in tracce

Ca: ≤100 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

Stringa SMILE

[Na+].[H]O[H].[H]O[H].[H]O[H].C[As](C)([O-])=O

InChI

1S/C2H7AsO2.Na.3H2O/c1-3(2,4)5;;;;/h1-2H3,(H,4,5);;3*1H2/q;+1;;;/p-1
RLGWPHBPRCROJO-UHFFFAOYSA-M

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Categorie correlate

Descrizione generale

Sodium cacodylate trihydrate is a biological buffer. Its crystals have been analyzed by single-crystal X-ray diffraction studies. Studies suggested its crystals exhibited two phases, viz. penta-μ-aqua-disodium(I) bis(dimethylarsenate), {[Na2(H2O)5](C2H6AsO2)2}n and di-μ-aqua-bis[triaquasodium(I)] bis(dimethylarsenate), [Na2(H2O)8](C2H6AsO2)2.

Applicazioni

Sodium cacodylate trihydrate may be employed as buffer to maintain pH 7.4 in electron microscopic studies. It may be used to compose cacodylate buffer for use in electron microscopic studies.

Avvertenze

Danger

Indicazioni di pericolo

H301 + H331,H350,H410

Classi di pericolo

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B

Codice della classe di stoccaggio

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
BCCH1167
BCCD4275
BCBZ4430
BCBV9563
BCBQ3452V

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