| Product Identification | Back to Contents | 【Product Name】
Crotonic acid | 【Synonyms】
2-Butenoic acid, (E)-
2-Methyl-3-hydroxypyridine
3-Pyridinol, 2-methyl-
Crotonic acid, (E)-
trans-2-Butenoic acid | 【CAS】
107-93-7 | 【CAS】
1121-25-1 | 【Formula】
C4H6O2 | 【Formula】
C6H7NO | 【Molecular Weight】
86.09 | 【Molecular Weight】
109.12 | 【EINECS】
203-533-9 | 【EINECS】
214-327-3 | 【RTECS】
GQ2900000 | 【RTECS Class】
Mutagen | 【Merck】
13,2625 | 【Beilstein/Gmelin】
1719943 | 【Beilstein/Gmelin】
107937 | 【Beilstein Reference】
4-02-00-01498 | 【Beilstein Reference】
5-21-02-00135 | 【EC Class】
irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Off-white to tan powder. | 【Solubility in water】
Very soluble | 【Melting Point】
71 - 72 | 【Melting Point】
128 - 130 | 【Boiling Point】
177 | 【Boiling Point】
287 | 【Vapor Pressure】
0.0015 (25 C) | 【Vapor Pressure】
0.51 (25 C) | 【Density】
0.973 g/cm3 (72 C) | 【pKa/pKb】
4.80 (pKa) | 【pKa/pKb】
4.95 (pKb) | 【Partition Coefficient】
.3 | 【Partition Coefficient】
.72 | 【Heat Of Vaporization】
45.6 kJ/mol | 【Heat Of Vaporization】
547. kJ/mol | 【Heat Of Combustion】
-3188 kJ/mol | 【Heat Of Combustion】
-1991 kJ/mol | 【Usage】
Substance is used in the production of copolymers with vinyl acetate, in lacquers & paper sizing. | 【Refractive Index】
1.4204 (77 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Wash mouth out with water. | 【Ingestion】
Seek medical assistance. | 【Inhalation】
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Inhalation】
Causes respiratory tract irritation. May be harmful if inhaled. | 【Skin】
Causes skin irritation. May be harmful if absorbed through the skin. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Skin】
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | 【Eyes】
Immediately flush with running water for at least 20 minutes. | 【Eyes】
Causes eye irritation. |
| Handling and Storage | Back to Contents | 【Storage】
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood. | 【Handling】
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. May be harmful if swallowed. Ingestion of large amounts may cause nausea and vomiting, rigidity or convulsions. Continued exposure can produce coma, dehydration, and internal organ | 【Ingestion】
See Inhalation. | 【Inhalation】
TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed. | 【Skin】
Contact with molten substance may cause severe burns to skin and eyes. See Inhalation. | 【Eyes】
See Inhalation. | 【Hazards】
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. | 【EC Risk Phrase】
R 21/22 34 | 【EC Risk Phrase】
R 36/37/38 | 【EC Safety Phrase】
S 26 36 | 【EC Safety Phrase】
S 26 36/37/39 45 | 【UN (DOT)】
2823 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Personal Protection】
Wear appropriate protective gloves, clothing and goggles. | 【Respirators】
Wear positive pressure self-contained breathing apparatus (SCBA). | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | 【Poison Class】
4 (Substances and products that must be considered harmful) |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
127 | 【Flash Point】
87 | 【Autoignition】
500 | 【Fire Fighting】
Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Dry chemical, carbon dioxide, alcohol-resistant foam or water spray. | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. | 【Upper exp. limit】
15.1 | 【Lower exp. limit】
2.2 | 【Fire Potential】
Combustible material: may burn but does not ignite readily. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
ELIMINATE all ignition sources. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. | 【Small spills/leaks】
Vacuum or sweep up material and place into a suitable disposal container. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Stability】
No data. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Nitrogen oxides, carbon monoxide, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
|
| Company Name: |
Kono Chem Co.,Ltd |
| Tel: |
15829389671 |
| Fax: |
029-86107037 |
| WebSite: |
www.konochemical.com |
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
|