Name | Itaconic Acid |
Synonyms | ITA ITACONIC ACID Itaconic Acid methylene-succinicaci Methylenesuccinic acid METHYLENESUCCINIC ACID methylene-butanedioicaci 2-methylidenebutanedioate Succinic acid, methylene- 3-CARBOXY-3-BUTENOIC ACID Methylenebutanedioic acid PROPYLENEDICARBOXYLIC ACID 2-PROPENE-1,2-DICARBOXYLIC ACID |
CAS | 97-65-4 |
EINECS | 202-599-6 |
InChI | InChI=1/C5H6O4/c1-3(5(8)9)2-4(6)7/h1-2H2,(H,6,7)(H,8,9)/p-2 |
InChIKey | LVHBHZANLOWSRM-UHFFFAOYSA-N |
Molecular Formula | C5H6O4 |
Molar Mass | 130.1 |
Density | 1.573 g/mL at 25 °C (lit.) |
Melting Point | 165-168 °C (lit.) |
Boling Point | 268°C |
Flash Point | 268°C |
Water Solubility | Soluble in water, acetone, methanol, hexane and ethanol. Slightly soluble in benzene, chloroform, carbon disulfide and petroleum ether. |
Solubility | Soluble in water, ethanol and acetone, slightly soluble in chloroform, benzene and ether. |
Vapor Presure | 0.0000115 Pa (20 °C) |
Appearance | Colorless crystal |
Specific Gravity | 1.573 |
Color | White to light beige |
Merck | 14,5242 |
BRN | 1759501 |
pKa | 3.85(at 25℃) |
PH | 3.5(1 mM solution);2.95(10 mM solution);2.43(100 mM solution); |
Storage Condition | Store below +30°C. |
Stability | Light Sensitive |
Sensitive | Hygroscopic |
Refractive Index | 1.4980 (estimate) |
MDL | MFCD00004260 |
Physical and Chemical Properties | Character: colorless crystals. melting point 167~168 ℃ relative density 1.6320 solubility: soluble in water, ethanol and acetone, slightly soluble in chloroform, benzene and ether. |
Use | As a comonomer of polyacrylonitrile fiber, can also be used for the preparation of plasticizers, lubricating oil additives |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 1 |
TSCA | Yes |
HS Code | 29171990 |
Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
Reference Show more | 1. Zhang Peng, Yang Ziteng, Wang Wenzhe, et al. Preparation of water-soluble polyrotaxane cross-linking agent and its potential application in hydrogel particle type profile control agent [J]. Oilfield chemistry, 2019, 29 (1). |
This product is a colorless crystal. Melting point 167 ~ relative density 1. 6320. Sublimation under vacuum. Soluble in water, ethanol and acetone, chloroform-soluble, benzene and ether. Easy polymerization, can also be copolymerized with other monomers. It is not easy to volatilize and can be decomposed by overheating.
An important monomer for the preparation of synthetic fibers, synthetic resins and plastics, ion exchange resins; Also used as carpet mounting agent, paper coating agent, adhesive, coating dispersion emulsifier, plasticizers for polymers, etc.
The product is less toxic and less harmful to health, but its vapor is toxic. The equipment should be closed during production, and the operator should wear protective equipment.
It should be filled in a paper drum lined with plastic bags, and stored closely, and attention should be paid to moisture, heat and oxidant prevention. According to the general provisions of the storage and transportation of chemicals.