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60108

Sigma-Aldrich

Potassium carbonate

BioUltra, anhydrous, ≥99.0% (T)

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About This Item

Formula condensata:
K2CO3
Numero CAS:
Peso molecolare:
138.21
Beilstein:
4267587
Numero CE:
Numero MDL:
Codice UNSPSC:
12161700
ID PubChem:
NACRES:
NA.21

Nome Commerciale

BioUltra

Saggio

≥99.0% (T)

Forma fisica

powder or crystals

Impurezze

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH

11.0-13.0 (25 °C, 1 M in H2O)

Punto di fusione

891 °C (lit.)

Solubilità

H2O: 1 M at 20 °C, clear, colorless

Anioni in tracce

chloride (Cl-): ≤30 mg/kg
phosphate (PO43-): ≤20 mg/kg
silicate (as SiO2): ≤30 mg/kg
sulfate (SO42-): ≤30 mg/kg

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02

Stringa SMILE

[K+].[K+].[O-]C([O-])=O

InChI

1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
BWHMMNNQKKPAPP-UHFFFAOYSA-L

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Applicazioni

Potassium carbonate is used to develop and study methods of nucleic acid, DNA, amino acid and peptide intercalation into structures such as into Mg-Al layered double hydroxide (hydrotalcite) capsules.

Pittogrammi

Exclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


Certificati d'analisi (COA)

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