| Product Identification | Back to Contents | 【Product Name】
3-Thiophenecarboxaldehyde | 【Synonyms】
3-Formylthiophene
Thiophene-3-carbaldehyde | 【CAS】
498-62-4 | 【Formula】
C5H4OS | 【Molecular Weight】
112.14 | 【EINECS】
207-865-5 | 【Beilstein/Gmelin】
105889 | 【Beilstein Reference】
5-17-09-00373 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Dark brown liquid. | 【Solubility in water】
Slightly soluble | 【Melting Point】
-30 | 【Boiling Point】
191 | 【Vapor Pressure】
0.54 (25 C) | 【Density】
1.28 g/cm3 (24 C) | 【Partition Coefficient】
1.32 | 【Heat Of Vaporization】
42.7 kJ/mol | 【Vapor Density】
3.86 | 【Refractive Index】
1.5855 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C). | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Use with adequate ventilation. Use and store under nitrogen. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Can produce delayed pulmonary edema. Inhalation at high concentrations may cause CNS depression and asphixiation. | 【Skin】
Causes skin irritation. May cause dermatitis. May cause cyanosis of the extremities. | 【Eyes】
Causes eye irritation. May cause chemical conjunctivitis and corneal damage. | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. | 【EC Risk Phrase】
R 10 | 【EC Safety Phrase】
S 23 24/25 | 【UN (DOT)】
1989 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. | 【Exposure Effects】
Effects may be delayed. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
64 | 【Autoignition】
199 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Combustible Liquid. Extinguishing media: Use water spray to cool fire-exposed containers. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Use a spark-proof tool. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable at room temperature in closed containers under normal storage and handling conditions. | 【Incompatibilities】
Strong bases, strong oxidizing agents, strong reducing agents. | 【Decomposition】
Carbon monoxide, oxides of sulfur, carbon dioxide. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
|