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20840

Sigma-Aldrich

Sodium cacodylate trihydrate

purum p.a., ≥98.0% (T)

Sinônimo(s):

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

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About This Item

Fórmula linear:
(CH3)2AsO2Na · 3H2O
Número CAS:
6131-99-3
Peso molecular:
214.03
Beilstein:
3702348
Número CE:
204-708-2
Número MDL:
MFCD00149079
Código UNSPSC:
12352100
ID de substância PubChem:
57647877
NACRES:
NA.21
Ensaio:
≥98.0% (T)
Formulário:
solid

grau

purum p.a.

Nível de qualidade

200

Ensaio

≥98.0% (T)

Formulário

solid

traços de ânion

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

traços de cátion

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

cadeia de caracteres SMILES

[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

chave InChI

RLGWPHBPRCROJO-UHFFFAOYSA-M

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Descrição geral

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.

Aplicação

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.

Palavra indicadora

Danger

Frases de perigo

H301 + H331,H350,H410

Classificações de perigo

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

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
BCCH1167
BCCD4275
BCBZ4430
BCBV9563
BCBQ3452V

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