72069

Sodium tungstate dihydrate

Manufacturer: Sigma Aldrich

CAS Number: 10213-10-2

Synonym(S): Tungstic acid sodium salt dihydrate

Select a Size

Pack Size SKU Availability Price
25 G 72069-25-G In Stock ₹ 5,141.88
100 G 72069-100-G In Stock ₹ 16,096.78

72069 - 25 G

₹ 5,141.88

In Stock

Quantity

1

Base Price: ₹ 5,141.88

GST (18%): ₹ 925.538

Total Price: ₹ 6,067.418

product line

BioUltra

Quality Level

100

Assay

≥99.0% (T)

form

crystals

impurities

insoluble matter, passes filter test≤0.001% total nitrogen (N)≤0.1% free alkali (as NaOH)

pH

9.5-11.5 (25 °C, 1 M in H2O)

mp

698 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤0.5 mg/kgCa: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤10 mg/kgZn: ≤5 mg/kg

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Description

  • General description: Sodium tungstate dihydrate is a sodium salt of tungstic acid,[1] which occurs as white colorless crystals.[2]
  • Application: Sodium tungstate dihydrate has been used in bioluminescence assays[3] and to synthesize polycrystalline samples.[4]
  • Other Notes: Stain in electron microscopy (nucleic acids, certain glycoproteins)[5]; Protein precipitant[6].

SAFETY INFORMATION

Pictograms

GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves