Trimethylacetic Acid
- Product NameTrimethylacetic Acid
- CAS75-98-9
- CBNumberCB00124115
- MFC5H10O2
- MW102.13
- EINECS200-922-5
- MDL NumberMFCD00004194
- MOL File75-98-9.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 32-35 °C(lit.) |
| Boiling point | 163-164 °C(lit.) |
| Density | 0.889 g/mL at 25 °C(lit.) |
| vapor density | 3.6 (vs air) |
| vapor pressure | 9.75 mm Hg ( 60 °C) |
| refractive index | 1.393 |
| Flash point | 147 °F |
| storage temp. | Store below +30°C. |
| solubility | soluble in EtOH, ether, H2O |
| pka | 5.03(at 25℃) |
| form | Powder, Crystals and/or Chunks |
| Specific Gravity | 1.121 |
| color | Yellow to orange to tan |
| PH | 4.04(1 mM solution);3.52(10 mM solution);3.02(100 mM solution) |
| explosive limit | 1.6%(V) |
| Water Solubility | 25 g/L (20 ºC) |
| FreezingPoint | 32.0 to 36.0 ℃ |
| Merck | 14,7511 |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319 | |||||||||
| Precautionary statements | P264-P270-P280-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 21/22-34 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 3261 8/PG 2 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | TO7700000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29159000 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 | |||||||||
| Hazardous Substances Data | 75-98-9(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: 900 mg/kg LD50 dermal Rat 1900 mg/kg | |||||||||
| NFPA 704: |
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