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Published TCIMAIL newest issue No.197 | Notice of Discontinuing the Use of Password-Protected Compressed Files | Product Document Searching Made Easy by 2D Code! | TCI Life Science News December 2024 | [TCIPracticalExample] Reduction of Amide Group Using... | Various analytical charts can be searched on each product detail page and Product Document Search (The kinds of analytical charts differ by product)
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CAS RN: 479-27-6 | Product Number: D0102
1,8-Diaminonaphthalene
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Purity: >98.0%(T)
Synonyms:
- 1,8-Naphthalenediamine
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days |
|---|---|---|---|
| 25G |
₩72,200
|
4 | ≥100 |
| 100G |
₩225,700
|
3 | 22 |
| 500G |
₩878,800
|
4 | 1 |
* Please contact our distributor of SEJIN CI Co., Ltd.
if you would like to purchase TCI products. The above prices do not include freight cost, customs charge and other charges to the destination. SEJIN CI Co., Ltd. (Phone: 02-2655-2480 / email:
sales@sejinci.co.kr)
* The storage conditions are subject to change without notice.
* The storage conditions are subject to change without notice.
| Product Number | D0102 |
| Purity / Analysis Method | >98.0%(T) |
| Molecular Formula / Molecular Weight | C__1__0H__1__0N__2 = 158.20 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Condition to Avoid | Light Sensitive |
| CAS RN | 479-27-6 |
| Reaxys Registry Number | 742841 |
| PubChem Substance ID | 87566842 |
| SDBS (AIST Spectral DB) | 6655 |
| Merck Index (14) | 6372 |
| MDL Number | MFCD00004033 |
Specifications
| Appearance | Light yellow to Brown powder to lump |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| Melting point | 63.0 to 67.0 °C |
Properties (reference)
| Melting Point | 65 °C |
| Boiling Point | 205 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. H317 : May cause an allergic skin reaction. H341 : Suspected of causing genetic defects. H412 : Harmful to aquatic life with long lasting effects. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P273 : Avoid release to the environment. P272 : Contaminated work clothing should not be allowed out of the workplace. P202 : Do not handle until all safety precautions have been read and understood. P201 : Obtain special instructions before use. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P308 + P313 : IF exposed or concerned: Get medical advice/ attention. 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. P362 + P364 : Take off contaminated clothing and wash it before reuse. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention. P405 : Store locked up. |
Related Laws:
Transport Information:
| H.S.code* | 2921.59-000 |
Application
TCI Practical Example: Protection of the Boronic Acid with 1,8-Diaminonaphthalene
Used Chemicals
Procedure
To a reaction vessel, 1,8-diaminonaphthalene (1.5 g, 9.5 mmol), 3,5-dibromophenyl boronic acid (2.5 g, 8.9 mmol), toluene (30 mL) were subsequently added and refluxed for 2 hours. Consumption of the starting material was confirmed by TLC. The reaction mixture was cooled to room temperature and was filtered under reduced pressure. The solid was washed with toluene to obtain 1 (2.9 g, 81% yield) as a reddish white powder.
Experimenter’s Comments
The reaction mixture was monitored by TLC (hexane:ethyl acetate = 4:1, Rf = 0.5).
Analytical Data
1H NMR (400 MHz, CDCl3); δ 7.76 (t, 1H, J = 1.8 Hz), 7.67 (d, 2H, J = 1.8 Hz), 7.15 (m, 2H), 7.08 (m, 2H), 6.42 (d, 2H, J = 7.3 Hz), 5.94 (br, 2H).
Lead Reference
- Flexible, Bowl-Shaped N-Heterocyclic Carbene Ligands: Substrate Specificity in Iridium-Catalyzed Ketone Hydrosilylation
Other References
- Boron-Masking Strategy for the Selective Synthesis of Oligoarenes via Iterative Suzuki−Miyaura Coupling
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