Name | DL-2-Pentanol |
Synonyms | 2-Pentanol Pentan-2-ol DL-2-Pentanol (RS)-2-Pentanol 1-Methylbutanol 2-Pentyl alcohol 2-hydroxypentane DL-sec-Amyl alcohol alcoold'amylesecondaire alcoold'amylesecondaire isoamylalcohol,secondary isoamylalcohol(secondary) Isoamyl alcohol, secondary |
CAS | 6032-29-7 |
EINECS | 227-907-6 |
InChI | InChI=1/C5H12O/c1-3-4-5(2)6/h5-6H,3-4H2,1-2H3 |
InChIKey | JYVLIDXNZAXMDK-UHFFFAOYSA-N |
Molecular Formula | C5H12O |
Molar Mass | 88.15 |
Density | 0.812 g/mL at 25 °C (lit.) |
Melting Point | -50 °C |
Boling Point | 118-119 °C (lit.) |
Flash Point | 93°F |
JECFA Number | 280 |
Water Solubility | 16.6 g/ 100 mL (20 ºC) |
Solubility | 166g/l |
Vapor Presure | 3 hPa (20 °C) |
Vapor Density | 3 (vs air) |
Appearance | Liquid |
Color | Clear colorless |
Merck | 14,7119 |
BRN | 1718819 |
pKa | 15.31±0.20(Predicted) |
Storage Condition | Store below +30°C. |
Explosive Limit | 1.2-10.5%(V) |
Refractive Index | n20/D 1.406(lit.) |
Physical and Chemical Properties | density 0.812 melting point -50°C boiling point 118-119°C refractive index 1.405-1.407 flash point 34°C water-soluble 16.6g/ 100 mL (20°C) |
Use | Used as raw materials and solvents for organic synthesis |
Hazard Symbols | Xn - Harmful |
Risk Codes | R10 - Flammable R20 - Harmful by inhalation R37 - Irritating to the respiratory system R66 - Repeated exposure may cause skin dryness or cracking |
Safety Description | 46 - If swallowed, seek medical advice immediately and show this container or label. |
UN IDs | UN 1105 3/PG 3 |
WGK Germany | 1 |
RTECS | SA4900000 |
TSCA | Yes |
HS Code | 29051500 |
Hazard Class | 3 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 1470 mg/kg LD50 dermal Rabbit 5250 mg/kg |
FEMA | 3316 | 2-PENTANOL |
relative polarity | 0.488 |
olfactory Threshold | 0.29ppm |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
toxicity | GRAS(FEMA). |
usage limit | FEMA: soft drinks, baked goods, jelly and pudding, seasoning, pickles, meat, meat soup, grain products, 2.0mg/kg. |
Use | GB 2760-1996 specifies the permitted use of food flavors. used as raw material and solvent for organic synthesis used as solvent for chromatographic analysis reagent and cotton glue |
production method | is obtained by catalytic reduction of methyl-n-propyl ketone. |
category | flammable liquid |
toxicity grade | poisoning |
Acute toxicity | intraperitoneal-rat LD50: 1870 mg/kg |
stimulation data | Skin-rabbits 20 mg/24 h moderate; eye-rabbit 20 mg/24 h moderate |
explosive hazard characteristics | explosive when mixed with air |
flammability hazard characteristics | flammable in case of open flame, high temperature and oxidant; combustion-induced smoke |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
Occupational Standard | TWA 360 mg/m3; Tel 450 mg/m3 |
autoignition temperature | 649 ° F. |