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 safety considerations requiring careful handling protocols. This organic compound, also known by its IUPAC name N-butan-2-ylidenehydroxylamine, belongs to the oxime family of chemicals characterized by the presence of a C=N-OH functional group. With a molecular formula of C4H9NO and a molecular weight of 87.12 g/mol, this substance exhibits properties typical of low molecular weight nitrogen-containing compounds. The compound is assigned EC number 202-496-6 and falls under ADR transport class 3, indicating its flammable nature. The safety profile of N-butan-2-ylidenehydroxylamine requires particular attention due to its classification as a Category 1B carcinogen, along with acute toxicity properties and potential for causing serious eye damage and skin irritation. The substance carries the "Danger" signal word and is associated with GHS pictograms GHS08 (health hazard), GHS06 (acute toxicity), and GHS05 (corrosive), reflecting its hazardous nature. Proper personal protective equipment and engineering controls are essential when handling this material. In industrial applications, N-butan-2-ylidenehydroxylamine serves primarily as a chemical intermediate in organic synthesis processes and as a reagent in specialized chemical reactions. The compound finds use in pharmaceutical intermediate production and in the manufacture of other nitrogen-containing specialty chemicals. Like related compounds such as prop-2-enenitrile, it plays a role in various synthetic pathways requiring oxime chemistry. OYSI maintains availability of N-butan-2-ylidenehydroxylamine for qualified industrial customers across Europe, ensuring compliance with all relevant safety regulations and transportation requirements.
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 highly hazardous chemical with carcinogenic properties (Category 1B) and multiple toxicity concerns. The compound requires careful handling due to its significant health risks including acute toxicity, skin irritation, eye damage, and organ toxicity effects.
What are the physicochemical properties of N-butan-2-ylidenehydroxylamine?
N-butan-2-ylidenehydroxylamine is an organic compound with molecular formula C4H9NO and molecular mass 87.12 g/mol. As a hydroxylamine derivative, it typically exists as a liquid or crystalline solid at room temperature. The compound exhibits flammable properties, hence its ADR classification in Class 3. Due to its organic nature and functional groups, it may have limited water solubility but good solubility in organic solvents. Specific physical properties should be verified from technical data sheets.
What is N-butan-2-ylidenehydroxylamine used for?
N-butan-2-ylidenehydroxylamine is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. Due to its hydroxylamine structure, it may serve as a reagent in pharmaceutical synthesis, polymer chemistry, or as a building block for more complex organic molecules. However, its extensive hazard profile including carcinogenic properties significantly limits its applications to specialized industrial processes with appropriate safety controls and regulatory compliance measures in place.
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 with side shields, and respiratory protection in well-ventilated areas. Work should be conducted in fume hoods or controlled environments to prevent inhalation exposure. Avoid skin and eye contact completely. All personnel must be trained on the specific hazards (GHS08, GHS06, GHS05 pictograms) and emergency procedures before handling this substance.
How to store N-butan-2-ylidenehydroxylamine correctly?
N-butan-2-ylidenehydroxylamine must be stored in a cool, dry, well-ventilated area away from heat sources, ignition sources, and incompatible materials. As a Class 3 flammable substance, it requires storage in appropriate fire-resistant containers with proper labeling including 'Danger' signal word and GHS pictograms. Storage areas should have restricted access due to carcinogenic properties. Containers must be tightly sealed to prevent vapor release and contamination. Regular inspection for container integrity is essential.
What to do in case of contact with N-butan-2-ylidenehydroxylamine?
N-butan-2-ylidenehydroxylamine contact requires immediate action due to its severe toxicity. For skin contact, immediately remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. Eye contact requires immediate flushing with water and urgent medical attention due to potential eye damage. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical help. Always inform medical personnel about the specific chemical involved and its hazard classification.
How to dispose of N-butan-2-ylidenehydroxylamine appropriately?
N-butan-2-ylidenehydroxylamine disposal must comply with hazardous waste regulations due to its carcinogenic and toxic properties. The substance cannot be disposed of with regular waste and requires specialized hazardous waste treatment facilities. Waste must be properly classified, labeled, and transported by licensed waste management companies. Incineration at high temperatures in authorized facilities is typically required. Empty containers may also be considered hazardous waste. Consult local environmental authorities for specific disposal requirements and approved waste handlers.
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 requires proper UN-specification packaging with appropriate hazard labels and documentation. Vehicles must comply with ADR regulations for Class 3 substances, including proper equipment and driver certification. Shipping papers must include proper shipping names, hazard classes, and emergency response information. Only authorized carriers experienced in hazardous materials transport should handle shipments of this substance.
Is N-butan-2-ylidenehydroxylamine subject to specific regulations?
N-butan-2-ylidenehydroxylamine is subject to extensive chemical regulations including REACH registration requirements in Europe and CLP classification for hazard communication. As a Category 1B carcinogen with multiple toxicity classifications, it falls under strict occupational exposure controls and may require authorization for certain uses. The substance is not currently listed as SVHC but requires comprehensive risk assessment and safety data sheets. Companies must comply with worker protection regulations and environmental discharge controls when handling this chemical.
Where to buy N-butan-2-ylidenehydroxylamine in Europe?
N-butan-2-ylidenehydroxylamine is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this highly regulated substance to qualified industrial customers with appropriate handling capabilities and regulatory compliance. Due to the substance's hazardous classification and carcinogenic properties, purchases require verification of proper facilities, trained personnel, and valid business justification. Contact OYSI directly for availability, technical specifications, safety documentation, and regulatory guidance for your specific application requirements.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.