| Product Identification | Back to Contents | 【Product Name】
1,3-Propanedioic acid | 【Synonyms】
Carboxyacetic acid
Dicarboxymethane
Methanedicarboxylic acid
Propanedioic acid | 【CAS】
141-82-2 | 【Formula】
C3H4O4 | 【Molecular Weight】
104.06 | 【EINECS】
205-503-0 | 【RTECS】
OO0175000 | 【RTECS Class】
Mutagen; Primary Irritant | 【Merck】
13,5732 | 【Beilstein/Gmelin】
1751370 | 【Beilstein Reference】
4-02-00-01874 | 【EC Class】
harmful, irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White crystals or crystalline powder. Sublimes in vacuum. | 【Solubility in water】
Very soluble | 【Melting Point】
136 | 【Boiling Point】
387 | 【Vapor Pressure】
5E-7 (25 C) | 【Density】
1.669 g/cm3 | 【pKa/pKb】
2.92 (pKa) | 【Partition Coefficient】
-.56 | 【Heat Of Vaporization】
69.8 kJ/mol | 【Usage】
Substance is used in production of barbiturates. | 【Vapor Density】
3.6 |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. | 【Inhalation】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【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】
Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. | 【Inhalation】
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation. | 【Skin】
May cause severe irritation and possible burns. | 【Eyes】
May cause severe eye irritation. May cause eye burns. | 【EC Risk Phrase】
R 22 36/37 | 【EC Safety Phrase】
S 26 36/37/39 |
| 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 gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【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 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
157 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. | 【Fire Potential】
This material is probably combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Wear a self contained breathing apparatus and appropriate Personal protection. (See Exposure Controls, Personal Protection section). Sweep up, then place into a suitable container for disposal. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Incompatibilities】
Bases, oxidizing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
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