Crotonaldehyde
- CAS Number
- 123-73-9
- HSN Code
- 29121910
- Molecular Formula
- C4H6O
- Catalogue Number
- AL1562
- Purity
- ≥ 99%
- Molecular Weight
- 70.09 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Crotonaldehyde, stabilized appears as a clear colorless to straw colored liquid with a penetrating pungent odor. Flash point 55 °F. Density 7.1 lb / gal.
Also known as 2-Butenal, Butenal.
- Catalogue No.
- AL1562
- CAS Number
- 123-73-9
- Molecular Formula
- C4H6O
- Molecular Weight
- 70.09 g/mol
- HSN Code
- 29121910
- Grade
- 99% For Synthesis
- Product Form
- Substance
Melting point: -69 °C; Boiling point: 102.2 °C; Flash point: 13 °C; Density: 0.853 at 20 °C/20 °C.
- Appearance
- Water-white, mobile liquid
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle, 2.5 Lt glass bottle
- Storage
- Fireproof. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Cool. Keep in the dark. Well closed. Store only if stabilized. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
1.1 — Product identifier
- Chemical Name
- Crotonaldehyde
- Catalogue No.
- AL1562
- Product form
- Substance
- CAS Number
- 123-73-9
- EC Number
- 204-647-1
- Grade
- 99% For Synthesis
- EC Index Number
- 605-002-00-6
- Chemical Formula
- C4H6O
- HSN Code
- 29121910
- Synonyms
- 2-Butenal, Butenal
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Synthetic intermediate in chemical manufacturing
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Flam. Liq. 2; Acute Tox. 3; Skin Irrit. 2; Eye Dam. 1; Acute Tox. 1; STOT SE 3; Muta. 2; STOT RE 2; Aquatic Acute 1
- Classification source
- ECHA C&L Inventory via PubChem CID 447466 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Flammable, Corrosive, Acute Toxic, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H225: Highly Flammable liquid and vapor; H301: Toxic if swallowed; H311: Toxic in contact with skin; H315: Causes skin irritation; H318: Causes serious eye damage; H330: Fatal if inhaled; H335: May cause respiratory irritation; H341: Suspected of causing genetic defects; H373: May causes damage to organs through prolonged or repeated exposure; H400: Very toxic to aquatic life
- Precautionary statements
- P203, P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P284, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P318, P319, P320, P321, P330, P332+P317, P361+P364, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, P501
2.3 — Other hazards
- Other hazards
- Highly flammable and toxic; may cause respiratory irritation.
3.1 — Substance
- Name
- Crotonaldehyde
- CAS No.
- 123-73-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Headache, dizziness, nausea, respiratory distress.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Advice for firefighters: Wear self-contained breathing apparatus for firefighting if necessary. Further information: Use water spray to cool unopened containers.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Vapors are heavier than air and may travel to a source of ignition and flash back. Combustion may produce irritants & toxic gases.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area. Ventilate and contain spill. Use appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Remove all ignition sources. Ventilation. Do NOT absorb in saw-dust or other combustible absorbents.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle in a fume hood with appropriate PPE. Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Fireproof. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Cool. Keep in the dark. Well closed. Store only if stabilized. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Pungent, suffocating odor
- Odour threshold
- Not specified
- pH value
- Not specified
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -69 °C
- Freezing point
- Not specified
- Boiling point
- 102.2 °C
- Flash point
- 13 °C
- Auto-ignition temperature
- 232.2 °C (450 °F)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Highly flammable
- Vapour pressure
- 19 mmHg at 68 °F
- Relative vapour density at 20°C
- 2.41 (Air = 1)
- Density
- 0.853 at 20 °C/20 °C
- Solubility
- Miscible with water, ethanol, and ether
- Log Pow
- 0.63 (calculated)
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- 1.8 - 11.5% (v/v) in air
10.1 — Reactivity
- Reactivity
- Reacts with strong oxidizing agents and bases.
10.2 — Chemical stability
- Chemical stability
- Turns to a pale yellow color in contact with light and air.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance can presumably form explosive peroxides. The substance may polymerize. This generates fire or explosion hazard.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, strong bases, and acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Hazardous decomposition products formed under fire conditions. - Carbon oxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 206 mg/kg; LC50 Rat inhalation 200 mgcu m 2 hr; LC50 Mouse inhalation 580 mgcu m 2 hr
- Skin corrosion/irritation
- H315: Causes skin irritation
- Serious eye damage/irritation
- H318: Causes serious eye damage
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- H341: Suspected of causing genetic defects
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- H335: May cause respiratory irritation
- Specific target organ toxicity (repeated exposure)
- H373: May causes damage to organs through prolonged or repeated exposure
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1143
- UN-No. (IMDG)
- UN 1143
- UN-No. (IATA)
- UN 1143
- UN-No. (ADN)
- UN 1143
- UN-No. (RID)
- UN 1143
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Crotonaldehyde
- Proper Shipping Name (IMDG)
- Crotonaldehyde
- Proper Shipping Name (IATA)
- Crotonaldehyde
- Proper Shipping Name (ADN)
- Crotonaldehyde
- Proper Shipping Name (RID)
- Crotonaldehyde
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1 (3)
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as an intermediate in sorbic acid and specialty organic chemical synthesis.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0572A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 70.09 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | A clear pale yellow liquid | A clear pale yellow liquid |
| Assay (GC) | Min. 99.0% | 99.41% |
| d 20 o/4 o | 0.851 - 0.853 | 0.851 |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% For Synthesis | ≥ 99% | m.p. -69 °C; b.p. 102.2 °C | ≤ 0.5% | Not applicable | Not more than 0.5% | Miscible with water |
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