Sodium ethoxide
- CAS No.
- 141-52-6
- Chemical Name:
- Sodium ethoxide
- Synonyms
- NaOEt;SODIUM ETHANOLATE;EtONa;SODIUM ETHYLATE;NE-21;ethoxysodium;Sodium ethoxide solution;Sodium ethoxide-ethanol solution;JACS-141-52-6;SolidAlkoxide
- CBNumber:
- CB6100652
- Molecular Formula:
- C2H5NaO
- Molecular Weight:
- 68.05
- MDL Number:
- MFCD00012417
- MOL File:
- 141-52-6.mol
- MSDS File:
- SDS
| Melting point | 260 °C |
|---|---|
| Boiling point | 91°C |
| Density | 0.868 g/mL at 25 °C |
| bulk density | 300kg/m3 |
| vapor density | 1.6 (vs air) |
| vapor pressure | <0.1 mm Hg ( 20 °C) |
| refractive index |
n |
| Flash point | 48 °F |
| storage temp. | Store at +15°C to +25°C. |
| solubility | Soluble in ethanol and methanol. |
| form | Liquid |
| Specific Gravity | 0.868 |
| color | Yellow to brown |
| PH | 13 (5g/l, H2O, 20℃) |
| explosive limit | 2.6-19% (v/v) |
| Water Solubility | Miscible |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| Merck | 14,8539 |
| BRN | 3593646 |
| Exposure limits |
ACGIH: STEL 1000 ppm OSHA: TWA 1000 ppm(1900 mg/m3) NIOSH: IDLH 3300 ppm; TWA 1000 ppm(1900 mg/m3) |
| Stability | Reacts violently with acids, water. Incompatible with chlorinated solvents, moisture. Absorbs carbon dioxide from the air. Highly flammable. |
| CAS DataBase Reference | 141-52-6(CAS DataBase Reference) |
| FDA UNII | 1I9504387J |
| EPA Substance Registry System | Ethanol, sodium salt (141-52-6) |
| UNSPSC Code | 12352302 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |     GHS02,GHS05,GHS08,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225-H251-H314-H371-H411 | |||||||||
| Precautionary statements | P210-P235-P273-P280-P303+P361+P353-P305+P351+P338 | |||||||||
| Hazard Codes | F,C,Xi,N | |||||||||
| Risk Statements | 11-14-34-36/37/38-68/20/21/22-51/53-20/21/22 | |||||||||
| Safety Statements | 8-16-26-43-45-36/37/39-36-61 | |||||||||
| RIDADR | UN 3274 3/PG 2 | |||||||||
| WGK Germany | 1 | |||||||||
| F | 3-8-10-23 | |||||||||
| Autoignition Temperature | 30 - 50 °C | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 4.2 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29051900 | |||||||||
| Hazardous Substances Data | 141-52-6(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: 598 mg/kg | |||||||||
| NFPA 704 |
|
Sodium ethoxide price More Price(38)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 8.18199 | Sodium ethoxide (20% solution in ethanol) for synthesis | 141-52-6 | 100ML | $38 | 2024-03-01 | Buy |
| Sigma-Aldrich | 8.18199 | Sodium ethoxide (20% solution in ethanol) for synthesis | 141-52-6 | 1L | $116 | 2024-03-01 | Buy |
| Sigma-Aldrich | 8.18199 | Sodium ethoxide (20% solution in ethanol) for synthesis | 141-52-6 | 50KG | $1940 | 2024-03-01 | Buy |
| Sigma-Aldrich | 156248 | Sodium ethoxide 95% | 141-52-6 | 5g | $51.9 | 2024-03-01 | Buy |
| Sigma-Aldrich | 156248 | Sodium ethoxide 95% | 141-52-6 | 100g | $69.9 | 2024-03-01 | Buy |
Sodium ethoxide Chemical Properties,Uses,Production
Chemical Properties
White powder, sometimes having brownish tinge; readily hydrolyzes to alcohol and sodium hydroxide.
Physical properties
White or yellowish powder; hygroscopic; darkens and decomposes on exposure to air; decomposes in water forming sodium hydroxide and ethanol; dissolves in absolute ethanol.
Uses
Sodium ethoxide is used in organic synthesis for condensation reactions. It also is a catalyst in many organic reactions.
Uses
Sodium ethoxide, 21% w/w in ethanol is used as a strong base in organic synthesis. It finds application in various chemical reactions such as condensation, esterification, alkoxylation and etherifcation. It is actively involved in Claisen condensation, Stobbe reaction and Wolf-kishner reduction. It is an important starting material for the synthesis of ethyl ester and diethyl ester of malonic acid. In Williamson ether synthesis, it reacts with ethyl bromide to form diethyl ether.
Definition
ChEBI: An organic monosodium salt that has ethoxide as the counterion.
Preparation
Sodium ethoxide is prepared by reacting sodium with absolute ethanol:
2Na + 2C2H5OH → 2C2H5ONa + H2
Sodium in small quantities is added to absolute alcohol at 10°C. The temperature is raised to warming (to about 38°C). The mixture is cooled again and sodium and absolute alcohol are added gradually followed by careful warming. The process is repeated to obtain a sufficient yield of the p
General Description
Sodium ethoxide is an alkoxide salt mainly used as a strong base in organic reactions such as deprotonation, dehydration and dehalogenation.
Hazard
As for caustic soda, ethanol. Sodium hydroxide is formed when sodium ethylate is exposed to moisture.
Flammability and Explosibility
Highly flammable
Purification Methods
It is a hygroscopic powder which should be stored under N2 in a cool place. A likely impurity is EtOH which can be removed by warming at 60-80o under high vacuum. It is hydrolysed by H2O to yield NaOH and EtOH. Other impurities, if kept in air for long periods are NaOH and Na2CO3. In this case the powder cannot be used if these impurities affect the reactivity, and a fresh sample should be acquired [IR: Seubold J Org Chem 21 156 1956]. [Beilstein 1 H 311, 1 IV 1289.]
Sodium ethoxide Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
1of8
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Dalian Richfortune Chemicals Co., Ltd | 0411-84820922 8613904096939 | sales@richfortunechem.com | China | 304 | 57 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| TOKYO CHEMICAL INDUSTRY CO., LTD. | 03-36680489 | Sales-JP@TCIchemicals.com | Japan | 28387 | 80 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531157085 | abby@chuanghaibio.com | China | 8808 | 58 |
| Hebei Mujin Biotechnology Co.,Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12810 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5868 | 58 |
| Chongqing Soarwin Technology Co., Ltd | +86-19132938950 +86-19132938950 | crystal@sorawin.cn | China | 360 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21628 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2986 | 55 |
| Tianjin Zhongxin Chemtech Co., Ltd. | 86-22-66880623 +8618622897568 | sales@tjzxchem.com | China | 572 | 58 |
Related articles
- Sodium ethoxide: Application and Preparation
- The sodium ethoxide is a chemical compound with the formula C2H5ONa. It is a white to yellow ish powder that is soluble in pol....
- Apr 17，2023
- The Preparation of Sodium Ethoxide
- Sodium ethoxide (also is the organic compound with the formula C2H5ONa) is a white to yellowish powder that dissolves in polar....
- Nov 20，2019
Related Qustion
- Q:Is sodium ethoxide stronger than NaOH?
- A:Sodium ethoxide, 21% w/w in ethanol, is a strong base in organic synthesis. It finds application in various chemical reactions....
- May 8，2024
View Lastest Price from Sodium ethoxide manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-24 | Ethanol, sodium salt
141-52-6
|
US $0.00-0.00 / Kg | 1Kg | 99.99% | 20 tons | Chongqing Soarwin Technology Co., Ltd | |
 |
2025-04-23 | SODIUM ETHOXIDE
141-52-6
|
US $10.00 / kg | 1kg | 99% | 100 | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-03-21 | SODIUM ETHOXIDE
141-52-6
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mujin Biotechnology Co.,Ltd |
-
- Ethanol, sodium salt
141-52-6
- US $0.00-0.00 / Kg
- 99.99%
- Chongqing Soarwin Technology Co., Ltd
-
- SODIUM ETHOXIDE
141-52-6
- US $10.00 / kg
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- SODIUM ETHOXIDE
141-52-6
- US $0.00 / KG
- 99%
- Hebei Mujin Biotechnology Co.,Ltd