Name | Citraconic anhydride |
Synonyms | Citraconic anhydride methyl-maleicanhydrid Methylmaleic anhydride citraconicacidanhydride 3-methylfuran-2,5-dione 3-Methyl-2,5-pentanedione Maleic anhydride, methyl- Citraconic acid anhydride methyl-maleicacidanhydride alpha-methylmaleicanhydride anhydridkyselinycitrakonove Anhydrid kyseliny citrakonove |
CAS | 616-02-4 |
EINECS | 210-459-0 |
InChI | InChI=1/C10H10O7/c1-5(3-7(11)12)9(15)17-10(16)6(2)4-8(13)14/h3-4H,1-2H3,(H,11,12)(H,13,14)/b5-3-,6-4- |
Molecular Formula | C5H4O3 |
Molar Mass | 112.08 |
Density | 1.247 g/mL at 25 °C (lit.) |
Melting Point | 6-10 °C (lit.) |
Boling Point | 213-214 °C (lit.) |
Flash Point | 215°F |
Water Solubility | decomposes |
Vapor Density | 4 (vs air) |
Appearance | Liquid |
Color | Clear colorless to very slightly yellow |
BRN | 1835 |
Storage Condition | Inert atmosphere,2-8°C |
Sensitive | Moisture Sensitive |
Refractive Index | n20/D 1.471(lit.) |
Hazard Symbols | T - Toxic |
Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. R34 - Causes burns R24 - Toxic in contact with skin |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S23 - Do not breathe vapour. S36/37 - Wear suitable protective clothing and gloves. |
UN IDs | UN 2810 6.1/PG 3 |
WGK Germany | 3 |
RTECS | GE6825000 |
FLUKA BRAND F CODES | 10-21 |
TSCA | Yes |
HS Code | 29171990 |
Hazard Class | 6.1 |
Packing Group | III |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | multifunctional reagent, which can be used to synthesize maleimide, bicyclic pyrrolidine, copolymers and trimers, and can also be used to protect N-terminal amino acids. Commonly used reagents for the synthesis of maleimide, bicyclic pyrrolidine and terpolymers, and also used to protect N-terminal amino acids. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |