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CAS RN: 865-48-5 | Product Number: S0450

Sodium tert-Butoxide


Purity: >98.0%(T)
Synonyms:
Product Documents:
25G
NT$798
≥80  ≥100  It can be shipped in about 2 weeks after ordering
100G
NT$2,310
23   0   It can be shipped in about 2 weeks after ordering
500G
NT$6,384
6   ≥60  It can be shipped in about 1 week after ordering

* The above prices include freight cost, customs, and other charges to the destination except for products that need to be shipped by sea or dry ice. For details, please contact our distributor in Taiwan to order our product.
* The storage conditions are subject to change without notice.


Product Number S0450
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__4H__9NaO = 96.10 
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 865-48-5
Reaxys Registry Number 8402623
PubChem Substance ID 87575931
SDBS (AIST Spectral DB) 41377
MDL Number

MFCD00040575

Specifications
Appearance White to Light yellow powder to crystal
Purity(Neutralization titration) min. 98.0 %
NMR confirm to structure
Properties (reference)
Melting Point 180 °C
GHS
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
H228 : Flammable solid.
H251 : Self-heating; may catch fire.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust.
P240 : Ground and bond container and receiving equipment.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment.
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.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 : Wash contaminated clothing before reuse.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P410 : Protect from sunlight.
P413 : Store bulk masses greater than .? kg/ .? lbs at temperatures not exceeding .? °C/ .? °F.
P405 : Store locked up.
Related Laws:
Transport Information:
UN Number UN3206
Class 4.2 / 8
Packing Group II
H.S.code* 2905.19-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
Application
TCI Practical Example: Reduction of Ester Using SDBBA

TCI反応実例:SDBBAを用いたエステルの還元反応

Used Chemicals

Procedure

To a solution of NaOtBu (460 mg, 4.8 mmol) in THF (2.4 mL) was added dropwise DIBAL (4.8 mL, 4.8 mmol) at 0 °C and the mixture was stirred at rt for 2 hours to prepare SDBBA solution as a colorless liquid.
Ethyl 2-bromobenzoate (230 mg, 1.0 mmol) in THF (2 mL) was added SDBBA (2.4 mL, 1.6 mmol, ca. 0.67 mol/L in THF/hexane) at 0 °C and the mixture was stirred at same tempferature for 1 hour. After that quenched by 2 mol/L HCl aq. (5 mL) and the residue was diluted with dichloromethane (20 mL x 2) and dried over sodium sulfate and filtered. The solvent was removed under reduced pressure and the residue was purified by column chromatography (on silica gel, dichloromethane:hexane = 1:4), giving 2-bromobenzaldehyde as a colorless liquid (109 mg, 59% yield).


Experimenter’s Comments

The reaction mixture was monitored by UPLC.
Hydrogen gas was produced during the preparation of SDBBA solution.
SDBBA can reduce esters to aldehydes under the mild conditions compared to other reducing agents.

Analytical Data

2-bromobenzaldehyde

1H NMR (400 MHz, CDCl3); δ 10.4 (s, 1H), 7.92 (m, 1H), 7.66 (m, 1H), 7.45 (m, 2H).

Lead Reference


PubMed Literature


Product Documents (Note: Some products will not have analytical charts available.)
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Specifications
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Other Documents

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