A6643812
3-Pentanone , 98% , 96-22-0
Synonym(s):
3-Pentanone, Ethyl ketone;Diethyl ketone
CAS NO.：96-22-0
Empirical Formula: C5H10O
Molecular Weight: 86.13
MDL number: MFCD00009320
EINECS: 202-490-3
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -42 °C (lit.) |
| Boiling point: | 101.5 °C (lit.) |
| Density | 0.813 g/mL at 25 °C (lit.) |
| vapor density | 3 (vs air) |
| vapor pressure | 20 mm Hg ( 28 °C) |
| refractive index | n |
| Flash point: | 55 °F |
| storage temp. | Store below +30°C. |
| solubility | water: slightly soluble |
| form | Liquid |
| color | Clear colorless |
| Relative polarity | 0.265 |
| PH | 6.2 (50g/l, H2O, 20℃) |
| Odor | at 0.10 % in propylene glycol. ethereal acetone |
| Odor Type | ethereal |
| explosive limit | 1.6-7.7%(V) |
| Water Solubility | 50 g/L (20 ºC) |
| Merck | 14,3121 |
| BRN | 635749 |
| Exposure limits | TLV-TWA 705 mg/m3 (200 ppm) (ACGIH). |
| Dielectric constant | 17.3（14℃） |
| Stability: | Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with strong bases, reducing agents, strong oxidizing agents. |
| InChIKey | FDPIMTJIUBPUKL-UHFFFAOYSA-N |
| LogP | 0.85 at 25℃ |
Description and Uses
Diethyl ketone is a colorless liquid with anacetone-like odor (smells like nail-polish remover). Odorthreshold 2.8 ppm. Molecular weight=86.15; Specificgravity (H2O:1)=0,81 at 25℃; Boiling point=101.6℃;Freezing/Melting point=242℃; Vapor pressure 535 mmHg at 25℃; Flash point=12.8℃ (oc); Autoignitiontemperature=452℃. Explosive limits: LEL=1.6%;UEL=6.4%. Hazard Identification (based on NFPA-704 MRating System): Health 1, Flammability 3, Reactivity 0.Moderately soluble in water.
Diethyl ketone is used as a solvent, inmedicine, and in organic synthesis.
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225-H319-H335-H336 |
| Precautionary statements | P210-P233-P240-P241-P242-P305+P351+P338 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-37-66-67 |
| Safety Statements | 9-16-25-33 |
| RIDADR | UN 1156 3/PG 2 |
| OEB | A |
| OEL | TWA: 200 ppm (705 mg/m3) |
| WGK Germany | 1 |
| RTECS | SA8050000 |
| Autoignition Temperature | 845 °F |
| TSCA | Yes |
| HS Code | 2914 19 90 |
| HazardClass | 3 |
| PackingGroup | II |
| Toxicity | LD50 orally in rats: 2.1 g/kg, Smyth et al., Arch. Ind. Hyg. Occup. Med. 10, 61 (1954) |
