垂
C
Home / Products / Sodium standard solution
Sodium standard solution

Sodium standard solution

Sodium standard solution

Sodium standard solution, available grades: Analytical Standard 20–2300 mg/L, 100–1000 μg/mL (matrix: water / 1% HCl). Sodium calibration standard; the dilute acid matrix is corrosive and is declared as Class 8 (UN 3264, packing group III). Used to prepare sodium calibration curves for AAS, ICP and ion chromatography and for determining sodium in water and food.

OEM supported. Custom purity & specifications available, please contact our manager.

Hazard Class:Class 8 (Corrosive substance)
Inquire Now WhatsApp Us Back to Products

Specifications

AliasSodium ICP standard, Sodium AAS standard
CAS Number7440-23-5Molecular FormulaNaCl
Molecular Weight22.98AppearanceClear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 20–2300 mg/L
HS Code3822.00UN Number3264
Density0.971 at 68 °F (USCG, 1999) - Less dense than water; will floatBoiling Point1621 °F at 760 mmHg (USCG, 1999)
Melting Point207.5 °F (USCG, 1999)Flash PointN/A
OriginChinaVapor Pressure1.2 [mmHg]
SolubilityInsoluble in benzene, kerosene, naphthaStorage ConditionCool, dark place, tightly sealed, away from acids, oxidizers and foodstuffs
Packaging500 mL / 25 L / 200 L / 1 tShelf Life6-24 months
GradeAnalytical Standard 20–2300 mg/L, 100–1000 μg/mL (matrix: water / 1% HCl)EINECS231-587-3
MDLMFCD00085307China Customs Code3822009000
GHS ClassificationWarning: H290; H315; H319Hazard ClassClass 8 (Corrosive substance)
CategoryExplosive PrecursorsUpdated2026-09-12

Products

Inquiry & Procurement

To purchase this product, please provide the CAS number, purity requirement and quantity; our sales team will reply with pricing and lead time within 24 hours on business days.

Frequently asked questions about Sodium standard solution

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

Sodium standard solution is an industrial chemical raw material. Its CAS number is 7440-23-5. Its molecular formula is NaCl, with a molecular weight of 22.98. Common synonyms include Sodium ICP standard, Sodium AAS standard. Typical appearance: Clear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 20–2300 mg/L.

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

Sodium standard solution (CAS 7440-23-5) is listed under the following identifiers. Synonyms: Sodium ICP standard, Sodium AAS standard. EINECS number: 231-587-3. MDL number: MFCD00085307.

What documents are provided with Sodium standard solution (CAS 7440-23-5)?

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

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

Transport of Sodium standard solution (CAS 7440-23-5) is arranged according to its hazardous classification. UN number: 3264. GHS hazard statements: H290, H315, H319. 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 Sodium standard solution?

Typical properties of Sodium standard solution (CAS 7440-23-5): appearance Clear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 20–2300 mg/L; density 0.971 at 68 °F (USCG, 1999) - Less dense than water; will float; melting point 207.5 °F (USCG, 1999); boiling point 1621 °F at 760 mmHg (USCG, 1999); vapor pressure 1.2 [mmHg]; solubility Insoluble in benzene, kerosene, naphtha. These are reference values, not a batch specification.

What is the HS code for Sodium standard solution?

The HS code for Sodium standard solution (CAS 7440-23-5) is 3822.00. Customs classification may differ by destination country, so please confirm the final code with us before ordering.
Didn't find your answer?View the full sourcing & export FAQ