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Zinc standard solution

Zinc standard solution

Zinc standard solution

Zinc standard solution, available grades: Analytical Standard 0.05 mol/L, 100–1000 μg/mL (matrix: 1% HCl / 1% HNO₃ / 1 mol/L HNO₃). Zinc calibration standard; the acid matrix is corrosive and is declared as Class 8 (UN 3264, packing group III). Used to prepare zinc calibration curves for AAS, ICP and ion chromatography and for determining zinc in water, food and alloys.

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Hazard Class:Class 8 (Corrosive substance)
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Specifications

AliasZinc ICP standard, Zinc AAS standard
CAS Number7440-66-6Molecular FormulaZn
Molecular Weight65.38AppearanceClear colourless odourless solution, prepared in 1% hydrochloric acid, 1% nitric acid or 1 mol/L nitric acid matrix
HS Code3822.00UN Number3264
Density7.133 g/cu cm at 25 °C; 6.830 g/cu cm at 419.5 °C (solid); 6.620 g/cu cm at 419.5 °C (liquid); 6.250 g/cu cm at 800 °CBoiling Point907 °C
Melting Point787 °FFlash PointN/A
OriginChinaVapor Pressure1.47X10-6 Pa (1.10X10-8 mm Hg) at 400 K (127 °C); 0.653 Pa (4.9X10-3 mm Hg) at 600 K (327 °C)
SolubilitySoluble in acids and alkalies; insoluble in waterStorage ConditionCool, dark place, tightly sealed, away from acids, oxidizers and foodstuffs
Packaging500 mL / 25 L / 200 L / 1 tShelf Life6-24 months
GradeAnalytical Standard 0.05 mol/L, 100–1000 μg/mL (matrix: 1% HCl / 1% HNO₃ / 1 mol/L HNO₃)EINECS231-175-3
MDLMFCD00011291China Customs Code3822009000
GHS ClassificationWarning: H290; H315; H319; H410Hazard ClassClass 8 (Corrosive substance)
CategoryExplosive PrecursorsUpdated2026-09-12

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Frequently asked questions about Zinc standard solution

What is Zinc standard solution? What is its CAS number?

Zinc standard solution is an industrial chemical raw material. Its CAS number is 7440-66-6. Its molecular formula is Zn, with a molecular weight of 65.38. Common synonyms include Zinc ICP standard, Zinc AAS standard. Typical appearance: Clear colourless odourless solution, prepared in 1% hydrochloric acid, 1% nitric acid or 1 mol/L nitric acid matrix.

What are the synonyms and registry numbers of Zinc standard solution?

Zinc standard solution (CAS 7440-66-6) is listed under the following identifiers. Synonyms: Zinc ICP standard, Zinc AAS standard. EINECS number: 231-175-3. MDL number: MFCD00011291.

What documents are provided with Zinc standard solution (CAS 7440-66-6)?

A Certificate of Analysis (COA) is issued for each batch of Zinc standard solution. Standard purity grade: Analytical Grade. Safety Data Sheet (MSDS/SDS) and technical data sheet are available on request before ordering.

Is Zinc standard solution classified as dangerous goods? Which UN number applies?

Transport of Zinc standard solution (CAS 7440-66-6) is arranged according to its hazardous classification. UN number: 3264. GHS hazard statements: H290, H315, H319, H410. We ship under IMDG (sea), IATA (air) or ADR (road) rules with compliant UN packaging; the final classification is confirmed against the batch test report.

What are the typical physical and chemical properties of Zinc standard solution?

Typical properties of Zinc standard solution (CAS 7440-66-6): appearance Clear colourless odourless solution, prepared in 1% hydrochloric acid, 1% nitric acid or 1 mol/L nitric acid matrix; density 7.133 g/cu cm at 25 °C; 6.830 g/cu cm at 419.5 °C (solid); 6.620 g/cu cm at 419.5 °C (liquid); 6.250 g/cu cm at 800 °C; melting point 787 °F; boiling point 907 °C; vapor pressure 1.47X10-6 Pa (1.10X10-8 mm Hg) at 400 K (127 °C); 0.653 Pa (4.9X10-3 mm Hg) at 600 K (327 °C); solubility Soluble in acids and alkalies; insoluble in water. These are reference values, not a batch specification.

What is the HS code for Zinc standard solution?

The HS code for Zinc standard solution (CAS 7440-66-6) is 3822.00. Customs classification may differ by destination country, so please confirm the final code with us before ordering.
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