Functional Roles
Industries Served
Physical Properties
melting_point
572 to 576 u00b0F (NTP, 1992)
boiling_point
329 u00b0F at 1.7 mmHg ; sublimes (NTP, 1992)
density
1.635 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
less than 1 mg/mL at 72 u00b0F (NTP, 1992)
vapor_pressure
0.000154 [mmHg]
flash_point
273 u00b0C (open cup)
ph
3,0-3,2 (0,05 % solution at 25 u00b0C)
GHS / SDS Safety
Warning
Irritant
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H319 (99.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
Chemical Identity
| CAS Number | 110-17-8 |
| IUPAC Name | (E)-but-2-enedioic acid |
| InChI Key | VZCYOOQTPOCHFL-OWOJBTEDSA-N |
| PubChem CID | 444972 |
| INCI Name | FUMARIC ACID |
Synonyms & Trade Names
Full Description
Fumaric Acid (CAS 110-17-8) is a white crystalline dicarboxylic acid with the molecular formula C4H4O4 that functions as a pH adjustment agent in industrial processes. This organic acid compound serves critical roles in food & beverage production, industrial manufacturing, and pharmaceutical applications where precise pH control is required. With a molecular weight of 116.07 and limited water solubility (less than 1 mg/mL at 72°F), fumaric acid provides reliable acidification properties across these diverse industrial sectors.