N-butan-2-ylidenehydroxylamine
C4H9NO
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Identification
- CAS Number
- 96-29-7
- EC Number
- 202-496-6
- UN Number
- 1224
- Index Number
- 616-014-00-0
- PubChem CID
- 7292
Physical-chemical properties
- Molecular Formula
- C4H9NO
- Molar Mass
- 87.12 g/mol
- IUPAC Name
- N-butan-2-ylidenehydroxylamine
Chemical Identifiers
- InChI
- InChI=1S/C4H9NO/c1-3-4(2)5-6/h6H,3H2,1-2H3
- InChI Key
- WHIVNJATOVLWBW-UHFFFAOYSA-N
Overview
N-butan-2-ylidenehydroxylamine (CAS 96-29-7) is an oxime compound with significant industrial applications and notable hazard classifications requiring careful handling protocols. This organic compound, with the molecular formula C4H9NO and a molecular weight of 87.12 g/mol, belongs to the oxime family of chemicals characterized by the presence of a C=N-OH functional group. The substance is officially registered under EC number 202-496-6 and carries multiple hazard classifications that underscore its potential risks in industrial environments. The compound presents serious safety considerations, classified as a Category 1B carcinogen alongside acute toxicity ratings of Category 3 and 4. Additional hazard classifications include specific target organ toxicity for both single and repeated exposure (STOT SE 1, STOT SE 3, and STOT RE 2), eye damage Category 1, and skin irritation Category 2. These classifications necessitate the "Danger" signal word and require appropriate GHS pictograms including GHS08 (health hazard), GHS06 (toxic), and GHS05 (corrosive). For transportation purposes, the substance falls under ADR Class 3, indicating its flammable nature. In industrial applications, N-butan-2-ylidenehydroxylamine serves primarily as an intermediate in organic synthesis processes and finds use in pharmaceutical manufacturing and specialty chemical production. Its oxime structure makes it valuable in certain catalytic processes, distinguishing it from related compounds such as prop-2-enenitrile, which serves different synthetic pathways. Given its hazardous nature, proper handling protocols, adequate ventilation systems, and appropriate personal protective equipment are essential when working with this compound. OYSI maintains availability of N-butan-2-ylidenehydroxylamine with full regulatory documentation and safety data sheets for qualified industrial customers.
Safety & Classification
Carc. 1B; Acute Tox. 4; Acute Tox. 3; STOT SE 3; STOT SE 1; STOT RE 2; Skin Irrit. 2; Eye Dam. 1;...
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
May cause cancer.
Harmful in contact with skin.
Toxic if swallowed.
May cause drowsiness or dizziness.
Causes damage to organs.
May cause damage to organs through prolonged or repeated exposure.
Causes skin irritation.
Causes serious eye damage.
May cause an allergic skin reaction.
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Inhalation
Measures if vapours or dust are inhaled
First Aid Actions
- +P304IF INHALED:
- +P340Remove person to fresh air and keep comfortable for breathing.
- +P311Call a POISON CENTER/doctor.
Related hazard statements:
Skin Contact
Measures if substance contacts the skin
Eye Contact
Measures if substance gets into the eyes
First Aid Actions
- +P305IF IN EYES:
- +P351Rinse cautiously with water for several minutes.
- +P338Remove contact lenses, if present and easy to do. Continue rinsing.
- +P313Get medical advice/attention.
Related hazard statements:
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 1224 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | Ethylmethylketoxim |
| Marine Pollutant | No |
Frequently Asked Questions
What is N-butan-2-ylidenehydroxylamine?
N-butan-2-ylidenehydroxylamine is an organic chemical compound with the molecular formula C4H9NO and CAS number 96-29-7. This substance has a molecular weight of 87.12 g/mol and belongs to the hydroxylamine family. It is classified as a dangerous substance with multiple hazard classifications including carcinogenic category 1B, acute toxicity, and organ toxicity effects. The compound requires careful handling due to its significant health and safety risks.
What are the physicochemical properties of N-butan-2-ylidenehydroxylamine?
N-butan-2-ylidenehydroxylamine is a chemical compound with molecular formula C4H9NO and molecular mass of 87.12 g/mol. As an organic compound containing nitrogen and oxygen functional groups, it exhibits properties typical of hydroxylamine derivatives. The substance requires special attention due to its hazardous nature. Specific physical properties such as melting point, boiling point, and solubility should be verified from the safety data sheet before handling.
What is N-butan-2-ylidenehydroxylamine used for?
N-butan-2-ylidenehydroxylamine is primarily used as a chemical intermediate in organic synthesis and pharmaceutical manufacturing. Due to its reactive hydroxylamine structure, it serves in various chemical transformations and as a building block for more complex molecules. However, given its classification as a category 1B carcinogen and high toxicity profile, its industrial applications are strictly regulated and limited to specialized chemical processes with appropriate safety controls.
How to handle N-butan-2-ylidenehydroxylamine safely?
N-butan-2-ylidenehydroxylamine requires extreme caution during handling due to its carcinogenic and toxic properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, respiratory protection, and protective clothing. Work must be conducted in well-ventilated areas or under fume hoods. Avoid skin and eye contact, inhalation, and ingestion. Follow strict hygiene procedures, including thorough hand washing after handling. Only trained personnel should handle this substance.
How to store N-butan-2-ylidenehydroxylamine correctly?
N-butan-2-ylidenehydroxylamine must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Storage areas should be restricted to authorized personnel only due to the carcinogenic nature of the substance. Keep containers properly labeled and maintain appropriate temperature conditions. Store away from oxidizing agents and acids. Regular inspection of containers for leaks or damage is essential for safe storage.
What to do in case of contact with N-butan-2-ylidenehydroxylamine?
Immediate action is required for any contact with N-butan-2-ylidenehydroxylamine due to its high toxicity. For skin contact, remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for at least 15 minutes. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide the safety data sheet to medical personnel.
How to dispose of N-butan-2-ylidenehydroxylamine appropriately?
N-butan-2-ylidenehydroxylamine must be disposed of as hazardous waste through licensed waste management companies due to its carcinogenic and toxic properties. Never dispose of this substance in regular waste, drains, or soil. Collect waste in appropriate containers, clearly labeled with contents and hazard information. Follow local and national regulations for hazardous waste disposal. Contact specialized hazardous waste disposal services for proper treatment and destruction of this dangerous substance.
How to transport N-butan-2-ylidenehydroxylamine?
N-butan-2-ylidenehydroxylamine is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. Transport must comply with dangerous goods regulations including proper packaging, labeling with appropriate hazard pictogrammes (GHS08, GHS06, GHS05), and documentation. Use authorized transport companies experienced in handling dangerous chemicals. Ensure proper segregation from incompatible materials and follow all applicable national and international transport regulations for hazardous substances.
Is N-butan-2-ylidenehydroxylamine subject to specific regulations?
N-butan-2-ylidenehydroxylamine is subject to strict regulations under REACH and CLP regulations in Europe due to its hazardous properties. As a category 1B carcinogen with multiple toxicity classifications, it requires comprehensive risk assessment and safety measures. The substance is not currently listed as an SVHC, but its use may be restricted in certain applications. Companies must comply with registration, evaluation, and authorization requirements, and implement appropriate risk management measures throughout the supply chain.
Where to buy N-butan-2-ylidenehydroxylamine in Europe?
N-butan-2-ylidenehydroxylamine can be purchased from specialized chemical distributors in Europe, including OYSI, a European distributor of technical chemicals. Due to the substance's hazardous classification and regulatory requirements, suppliers must verify customer qualifications and intended use. Purchase requires compliance with REACH regulations and appropriate safety documentation. Contact OYSI or other authorized chemical suppliers for availability, technical specifications, and regulatory compliance support for this controlled substance.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.