Sodium iodide , AR,99.5% , 7681-82-5

Synonym(s):
Sodium Iodide;Sodium Iodine;Sodium monoiodide

CAS NO.：7681-82-5

Empirical Formula: NaI

Molecular Weight: 149.89

MDL number: MFCD00003532

EINECS: 231-679-3

PRODUCT Properties

• Melting point: 661 °C (lit.)
• Boiling point: 1300 °C
• Density: 3.66
• vapor density: >1 (vs air)
• vapor pressure: 1 hPa (767 °C)
• refractive index: 1.7745
• Flash point: 1300-1304°C
• storage temp.: Store at +5°C to +30°C.
• solubility: water: soluble(lit.)
• form: beads
• pka: 0.067[at 20 ℃]
• Specific Gravity: 3.67
• color: White
• PH: 6-9 (50g/l, H2O, 20℃)
• Water Solubility: 184 g/100 mL (25 ºC)
• Sensitive: Hygroscopic
• Merck: 14,8631
• Exposure limits: ACGIH: TWA 0.01 ppm
• Dielectric constant: 7.2800000000000002
• Stability: hygroscopic
• InChIKey: FVAUCKIRQBBSSJ-UHFFFAOYSA-M
• LogP: -1.301 at 25℃
• CAS DataBase Reference: 7681-82-5(CAS DataBase Reference)
• NIST Chemistry Reference: Sodium iodide(7681-82-5)
• EPA Substance Registry System: Sodium iodide (7681-82-5)

Description and Uses

Sodium iodide was used as a component in the preparation of Mayer′s hematoxylin stain solution.
It may be used in the following processes:

• Precursor in the polymerization of butyl acrylate.
• Chaotropic agent in the extraction of DNA.
• Deprotecting agent in the removal of N-tert-butyloxycarbonyl group in amino acids.
• Water-soluble fluorescence quenching reagent.

Safety

• Symbol(GHS): GHS07,GHS08,GHS09
• Signal word: Danger
• Hazard statements: H315-H319-H372-H400
• Precautionary statements: P260-P264-P273-P302+P352-P305+P351+P338-P314
• Hazard Codes: Xi,N
• Risk Statements: 36/38-36/37/38-50
• Safety Statements: 26-61
• RIDADR: UN 3077 9 / PGIII
• WGK Germany: 1
• RTECS: WB6475000
• F: 8
• TSCA: Yes
• HS Code: 28276000
• Hazardous Substances Data: 7681-82-5(Hazardous Substances Data)
• Toxicity: MLD i.v. in rats: 1.3 g/kg, Loeser, Konwiser, J. Lab. Clin. Med. 15, 35 (1929)