Basic information
- Standard SMILES
CC[O-].[Na+]- InChIKey
QDRKDTQENPPHOJ-UHFFFAOYSA-N- Molecular formula
- C2H5NaO
- Average molar mass
- 68.05 g/mol
- Monoisotopic mass
- 68.02380906
Names & identifiers
- Preferred name
- Sodium ethoxide
- IUPAC
- sodium ethanolate
Names & synonyms
Sodium ethoxide141-52-6Sodium ethylateSODIUM ETHANOLATEEthoxysodiumCaustic alcoholEthanol, sodium saltEthyl alcohol, sodium salt1I9504387JDTXSID3027089CHEBI:52096RefChem:183880
Show more names
DTXCID707089205-487-5sodiumethoxidesodium;ethanolateNaOEtC2H5NaOMFCD00012417Sodium Ethoxide (>85%)
Database identifiers
- CAS
141-52-6- PubChem CID
- 2723922
- DTXSID
DTXSID3027089- ChEBI
CHEBI:52096- UNII
- 1I9504387J
- EC Number
- 205-487-5
- Nikkaji
- J91.259J
Properties
Computed structural properties
- Topological polar surface area
- 23.1 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 0
- Heavy atoms
- 4
- Formal charge
- 0
- Complexity
- 6
Experimental & physicochemical properties
Color/Form
WHITE OR YELLOWISH POWDER
WHITE POWDER SOMETIMES HAVING BROWNISH TINGE
SolubilitySOL IN ABSOLUTE ALCOHOL
Physical Description
White or yellowish hygroscopic solid; Decomposed by air and water; [Merck Index] Off-white powder with an odor of alcohol; [MSDSonline]
WHITE-TO-YELLOW POWDER.
Stability/Shelf LifeDECOMP ON EXPOSURE TO AIR & BECOMES DARKER ON KEEPING
Other Experimental PropertiesDECOMP BY WATER INTO SODIUM HYDROXIDE & ALC; HYGROSCOPIC
Safety & regulation
GHS classification
GHS Classification
Danger
H251: Self-heating; may catch fire [Danger Self-heating substances and mixtures]；H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P235, P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, P407, P410, P413, P420, and P501 (click each P-code to see the statement)
Danger
Hazard information
Regulatory Information
Chemical: Ethanol, sodium salt
Status: Active Update: 09-11-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/5912；Status: Active Update: 27-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/26638
Sodium ethoxide: HSNO Approval: HSR004687 Approved with controls
Fire HazardsHighly flammable. Risk of fire and explosion on contact with water.
Hazards Summary
Reacts violently with water posing fire and explosion risk; Corrosive; [ICSC] Highly flammable; Reacts violently with water; May causes burns; [eChemPortal: ESIS] Reacts violently with water; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]
EC ClassificationSymbol: F, C; R: 11-14-34; S: (1/2)-8-16-26-43-45
Chemical DangersDecomposes on burning. This produces toxic fumes. Reacts violently with water. This generates fire and explosion hazard.
Packaging and LabellingAirtight.
Hazard Classes and Categories
Flam. Sol. 1 (57%)；Self-heat. 1 (99.7%)；Skin Corr. 1B (100%)；Eye Dam. 1 (60.2%)
Self-heating substance or mixture - category 1；Skin corrosion - category 1B
Self-heat. 1；Skin Corr. 1B
Safety & protection
Fire FightingNO water. Use dry powder, dry sand. NO hydrous agents. In case of fire: keep drums, etc., cool by spraying with water. NO direct contact with water.
First Aid Measures
Fresh air, rest. Refer for medical attention.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Rinse mouth. Do NOT induce vomiting. Refer for medical attention .
Safe StorageFireproof. Dry. Well closed.
Spillage Disposal
Personal protection: chemical protection suit. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Remove all ignition sources. Sweep spilled substance into covered air-tight, dry containers.
Eye PreventionWear safety goggles or eye protection in combination with breathing protection if powder.
Fire PreventionNO open flames, NO sparks and NO smoking.
Inhalation RiskA harmful concentration of airborne particles can be reached quickly when dispersed.
Skin PreventionProtective gloves. Protective clothing.
Exposure PreventionPREVENT DISPERSION OF DUST! AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!
Ingestion PreventionDo not eat, drink, or smoke during work.
Inhalation PreventionUse closed system or ventilation.
Effects of Short Term ExposureCorrosive.
Toxicology
Adverse EffectsDermatotoxin - Skin burns.；Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.
Signs and Symptoms
Burning sensation. Cough. Laboured breathing. Shortness of breath. Sore throat.
Redness. Pain. Blisters. Skin burns.
Redness. Pain. Severe deep burns.
Burning sensation. Abdominal pain. Shock or collapse.
Regulatory information
Regulatory Information
Chemical: Ethanol, sodium salt
Status: Active Update: 09-11-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/5912；Status: Active Update: 27-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/26638
Sodium ethoxide: HSNO Approval: HSR004687 Approved with controls
Chemistry & industry
Uses & manufacturing
Uses
Used in hair straighteners and to make other organic chemicals; [HSDB]
Dressing Hair [Category: Other]
ORGANIC SYNTHESIS
IN HAIR STRAIGHTENERS
U.S. Exports(1986) No Data
U.S. Imports(1986) No Data
U.S. Production(1986) No Data
Methods of ManufacturingBY CAREFULLY ADDING SMALL AMT OF SODIUM TO ABSOLUTE ALC KEPT @ TEMP OF 10 °C, HEATING CAREFULLY TO 37.7 °C, AGAIN CAREFULLY ADDING SODIUM, COOLING TO 10 °C, & ADDING SAME QUANTITY OF ABSOLUTE ALC AS WAS USED ORIGINALLY.
General Manufacturing Information
Ethanol, sodium salt (1:1): ACTIVE
AN ADDITIVE IN SOLID HAIR STRAIGHTENING COMPD.
Related reactions
4,604 records
Linked notes
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