| Customization: | Available |
|---|---|
| CAS No.: | 79-09-4 |
| Formula: | C7h4cl2o |
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| Propionic acid Basic information | |
| Product Name: | Propionic acid |
| CAS: | 79-09-4 |
| MF: | C3H6O2 |
| MW: | 74.08 |
| EINECS: | 201-176-3 |
| Mol File: | 79-09-4.mol |
| Propionic acid Chemical Properties | |
| Melting point | −24-−23 °C(lit.) |
| Boiling point | 141 °C(lit.) |
| density | 0.993 g/mL at 25 °C(lit.) |
| vapor density | 2.55 (vs air) |
| vapor pressure | 2.4 mm Hg ( 20 °C) |
| refractive index | n20/D 1.386(lit.) |
| FEMA | 2924 | PROPIONIC ACID |
| Fp | 125 °F |
| storage temp. | 0-6°C |
| solubility | organic solvents: soluble(lit.) |
| pka | 4.86(at 25ºC) |
| form | Liquid |
| color | ≤10, APHA: |
| Specific Gravity | 0.996 (20/4ºC) |
| PH | 2.5 (100g/l, H2O, 20ºC) |
| Odor Threshold | 0.0057ppm |
| explosive limit | 2.1-12%(V) |
| Water Solubility | 37 g/100 mL |
| Merck | 14,7825 |
| JECFA Number | 84 |
| BRN | 506071 |
| Exposure limits | TLV-TWA 10 ppm (~30 mg/m3) (ACGIH). |
| Stability: | Stable. Incompatible with strong oxidizing agents. Flammable. |
| InChIKey | XBDQKXXYIPTUBI-UHFFFAOYSA-N |
| CAS DataBase Reference | 79-09-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Propanoic acid(79-09-4) |
| EPA Substance Registry System | Propionic acid (79-09-4) |
|
Items tested |
Specifications |
Results |
|
Appearance |
Colorless transparent liquid with pungent acidity |
Qualified |
|
Aroma |
Light Huang chunju plant or tobacco aroma |
pass |
|
Assay % |
≥99.0% |
99.86% |
|
Acid value (mg.KOH/G) |
≥1 |
320-329 |
|
Natural degree (C14) |
/ |
/ |
|
Heavy metals (Pb) |
≤0.001% |
0.0001% |
|
Moisture % |
≤0.5% |
0.0656% |
|
As |
≤0.0003% |
0.00001% |
|
Boiling point |
138.5-142.5°C |
140.7°C |
|
Relative density (d25 ) 25 |
0.993-0.997(25/25°C) |
0.995(25/25°C) |
|
Refractive index (nD20) |
1.383-1.385 |
1.3841 |
|
Solubility |
Soluble in water(1ml/42ml), soluble in , ethyl ether and propylene glycol |
Qualified |
|
Conclusion |
Conform to FCC-4, USP-28, BP-2003 |
|
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