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CAS RN: 7632-00-0 | Product Number: S0565

Sodium Nitrite


Purity: >98.5%(T)
Deleterious substance |Chemical Substance Law (ENCS):   1-483
Synonyms:
Product Documents:
300G
¥1,900
≥100  19   ≥100 
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Product Number S0565
Purity / Analysis Method >98.5%(T)
Molecular Formula / Molecular Weight NaNO__2 = 68.99 
Physical State (20 deg.C) Solid
Storage Temperature Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 7632-00-0
Reaxys Registry Number 906771
Merck Index (14) 8648
MDL Number

MFCD00011118

Specifications
Appearance White to Light yellow powder to crystal
Purity(Redox method) min. 98.5 %
Properties (reference)
Melting Point 280 °C(dec.)
Solubility in water Soluble
Degree of solubility in water 820 g/l   20 °C
Solubility (soluble in) Methanol
Solubility (slightly sol. in) Ether
GHS
Pictogram Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 : Toxic if swallowed.
H319 : Causes serious eye irritation.
H361 : Suspected of damaging fertility or the unborn child.
H362 : May cause harm to breast-fed children.
H370 : Causes damage to organs.
H341 : Suspected of causing genetic defects.
H400 : Very toxic to aquatic life.
H272 : May intensify fire; oxidizer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P263 : Avoid contact during pregnancy and while nursing.
P273 : Avoid release to the environment.
P260 : Do not breathe dust.
P270 : Do not eat, drink or smoke when using this product.
P202 : Do not handle until all safety precautions have been read and understood.
P220 : Keep away from clothing and other combustible materials.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P391 : Collect spillage.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P405 : Store locked up.
Related Laws:
Chemical Substance Law (ENCS) 1-483
Fire Defense Law Group-1-I
Poisonous or Deleterious Deleterious substance
RTECS# RA1225000
Transport Information:
UN Number UN1500
Class 5.1 / 6.1
Packing Group III
Application
TCI Practical Example: The Sandmeyer Reaction Using Sodium Nitrite

The Sandmeyer Reaction Using Sodium Nitrite

Used Chemicals

Procedure

Potassium iodide (415 mg, 2.5 mmol, 2.5 eq.) and sodium nitrite (172 mg, 2.5 mmol, 2.5 eq.) in water (5 mL) were added dropwise to the solution of p-anisidine (123 mg, 1.0 mmol) and p-TsOH·H2O (190 mg, 1.0 mmol, 1.0 eq.) in acetonitrile (10 mL) at 0 °C. The mixture was stirred at room temperature for 2 hours. The reaction was quenched with 10% Na2S2O3 aq. (15 mL) and the aqueous layer was extracted with ethyl acetate (15 mL x 3). The combined organic layer was washed with 2 mol/L HCl aq. (15 mL), sat. NaHCO3 aq. (15 mL), and brine (15 mL), dried over sodium sulfate and filtered. The solvent was removed under reduced pressure and the residue was purified by column chromatography (on silica gel, ethyl acetate:hexane = 1:4) to give 4-iodoanisole as a pale red solid (154 mg, 66% yield).

Experimenter’s Comments

The reaction mixture was monitored by UPLC.

Analytical Data

4-iodoanisole

1H NMR (400 MHz, CDCl3); δ 7.56 (d, J = 8.0 Hz, 2H), 6.68 (d, J = 8.0 Hz, 2H), 3.78 (s, 3H).

Lead Reference


PubMed Literature


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