Sodium iodide
SIGALD/03129 - puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% (calc. to the dried substance)
CAS Number: 7681-82-5
Empirical Formula (Hill Notation): INa
Molecular Weight: 149.89
EC Number: 231-679-3
MDL Number: MFCD00003532
Linear Formula: NaI
Product Type: Chemical
anion traces | bromide, chloride (as Cl-): ≤300 mg/kg |
iodate (IO3-): ≤2 mg/kg | |
sulfate (SO42-): ≤100 mg/kg | |
assay | 99-100.5% (calc. to the dried substance) |
cation traces | Fe: ≤5 mg/kg |
K: ≤500 mg/kg | |
form | crystalline |
grade | puriss. |
impurities | alkalic reac. Impurities, complies |
barium and thiosulfate, complies | |
organic volatile impurities, complies (GC) | |
residual solvents, in accordance | |
≤0.0005% heavy metals (as Pb) | |
≤0.003% total nitrogen (N) | |
≤0.005% thiosulfate (S2O3) | |
≤0.02% free alkali (as NaOH) | |
≤2% water (Karl Fischer) | |
InChI | 1S/HI.Na/h1H;/q;+1/p-1 |
InChI key | FVAUCKIRQBBSSJ-UHFFFAOYSA |
loss | ≤2% loss on drying, 105 °C |
mp | 661 °C (lit.) |
pH | 6-9 (20 °C, 50 g/L) |
quality | meets analytical specification of Ph. Eur., BP, USP |
Quality Level | 200 ![]() |
SMILES string | [Na+].[I-] |
suitability | complies for appearance of solution |
vapor density | >1 (vs air) |
Application: | Sodium iodide may be used in the preparation of sodium hydroxide-sodium iodide reagent for the modified Winkler method for the determination of dissolved oxygen. It may be used for the synthesis of coppersensor-1 (CS1), a membrane-permeable fluorescent dye used for imaging labile copper pools in biological samples. |
Caution: | may contain black particle through the manufacture |
General description: | Sodium iodide is an inorganic salt. Mixture of chlorotrimethylsilane/sod |
Symbol | ![]() ![]() ![]() |
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 | 36/38-50 |
Safety Statements | 26-61 |
RIDADR | UN 3077 9 / PGIII |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 99-100.5% (calc. to the dried substance) |
mp | 661 °C (lit.) |
UNSPSC | 12352300 |