- Alcohol & Hydroxybenzene & Ether[2]
- Organic Acid[1]
- Organic Salt[1]
- Other Organic Chemical[1]
- Chemical Auxiliary Agent[7]
- Daily Chemicals[2]
- Food Additives[1]
- Alkali[2]
- Inorganic Acids[1]
- Borate[1]
- Carbonate[1]
- Phosphate[2]
- Sulphate[1]
- Oxide[3]
- Paint & Coating[1]
- Pigment[5]
- Polymer[1]
- PVC[1]
- Other Rubber Products[2]
- Rubber Belts[3]
- Rubber Sheets[9]
Fumaric Acid
Product Detailed
White odorless powder or crystalline solid particles, with speical sourness that is as strong as 1.5 times of citric acid.
White odorless powder or crystalline solid particles, with speical sourness that is as strong as 1.5 times of citric acid.
| Item | Unit | Index |
| Purity (base on C4H4O4) | % | 99.50~100.50 (dry basis) |
| Heavy metal (base on Pb) | PPM | ≤ 10 |
| Arsenic (base on As) | PPM | ≤ 3 |
| Water content | % | ≤ 0.5 |
| Melting range | oC | 286~302 |
| Residue on ignition | % | ≤ 0.1 |
| Chroma (in 5% ethanol) | # | ≤ 15 |
| Maleic acid | % | ≤ 0.1 |