PENTYL ACETATE
n-Pentyl acetate
CAS: 628-63-7
Molecular Formula: C7H14O2
PENTYL ACETATE - Names and Identifiers
| Name | n-Pentyl acetate |
| Synonyms | PEAR OIL Amyl acetate N-AMYL ACETATE pentyl acetate PENTYL ACETATE n-Amyl acetate n-Pentyl acetate 1-Acetoxypentane PENTANYL ACETATE N-PENTYL ACETATE Acetic Acid n-Amyl Ester Acetic acid n-pentyl ester Amyl Acetate (mixed isomers) Nitrocellulose lacquer thinner |
| CAS | 628-63-7 |
| EINECS | 211-047-3 |
| InChI | InChI=1/C7H14O2/c1-3-4-5-6-9-7(2)8/h3-6H2,1-2H3 |
PENTYL ACETATE - Physico-chemical Properties
| Molecular Formula | C7H14O2 |
| Molar Mass | 130.18 |
| Density | 0.876g/mLat 25°C(lit.) |
| Melting Point | −100°C(lit.) |
| Boling Point | 142-149°C(lit.) |
| Flash Point | 75°F |
| Water Solubility | 10 g/L (20 ºC) |
| Solubility | 10g/l |
| Vapor Presure | 4 mm Hg ( 20 °C) |
| Vapor Density | 4.5 (vs air) |
| Appearance | Powder |
| Color | White |
| Odor | Pleasant banana-like; mild; characteristic banana- or pear-like odor. |
| Exposure Limit | TLV-TWA 100 ppm (～525 mg/m3) (ACGIH,MSHA, and OSHA); IDLH 4000 ppm. |
| BRN | 1744753 |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 1.1-7.5%(V) |
| Refractive Index | n20/D 1.402(lit.) |
| Physical and Chemical Properties | Colorless liquid with banana flavor. boiling point 149.25 ℃ freezing point -70.8 ℃ relative density 0.8756 refractive index 1.4023 flash point 25 ℃ solubility, benzene, chloroform, carbon disulfide and other organic solvents miscible. Insoluble in water. Dissolve 0.18g/100ml in water at 20 °c. |
| Use | It is used as a solvent for paints, coatings, fragrances, cosmetics, adhesives, artificial leather, etc., as an extractant for penicillin production, and can also be used as a fragrance |
PENTYL ACETATE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R10 - Flammable R66 - Repeated exposure may cause skin dryness or cracking |
| Safety Description | S23 - Do not breathe vapour. S25 - Avoid contact with eyes. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1104 3/PG 3 |
| WGK Germany | 3 |
| RTECS | AJ1925000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 29153930 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | Acute oral LD50 for rats 6,500 mg/kg (quoted, RTECS, 1985). |
PENTYL ACETATE - Reference Information
| freezing point | -70.8 ℃ |
| Henry's Law Constant | 10.73 at 37 °C (static headspace-GC, Bylaite et al., 2004) |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | as a solvent, can be used in coatings, spices, cosmetics, wood adhesives, also used in artificial leather processing, textile processing, film and powder manufacturing, etc. It is used as an extractant for penicillin in medicine. used as solvent used as a solvent for paints, coatings, spices, cosmetics, adhesives, artificial leather, etc., used as an extractant for penicillin production, can also be used as a perfume; As a solvent, can be used in coatings, spices, cosmetics, wood adhesives, but also for artificial leather processing, textile processing, film and powder manufacturing. As an extractant for penicillin in medicine; |
| production method | in the presence of acetic anhydride and concentrated sulfuric acid, obtained from the reaction of acetic acid and N-pentanol. Acetic acid, pentanol, acetic anhydride were added first, then concentrated sulfuric acid was added, and then heated and refluxed for 8H. After cooling, it was washed twice with water, neutralized with 5% sodium carbonate to pH = 8, and washed with water until neutral, after drying with anhydrous sodium carbonate, Fractionation was carried out, and the fractions were collected at 147-149 ° C. To obtain the finished product. Product specifications: content of more than 98%, boiling distillation (95%)147-150 ℃. The international market 99% purity of the commodity melting point of -100 deg C, the refractive index of 1.4019, the relative density of 0.876(20/4 deg C), flash point of 23 deg C. Raw material consumption quota: glacial acetic acid (98%)950kg/t, n-pentanol (industrial) 950kg/t, sulfuric acid 50kg/t, sodium carbonate 200kg/t. |
| category | flammable liquid |
| toxicity grade | low toxicity |
| Acute toxicity | oral-rat LD50: 6500 mg/kg; Inhalation-rat LCL0: 27.3g/m3 |
| stimulation data | eyes-human 1575 mg/m3 positive |
| explosive hazard characteristics | when there is a flame or when heated, the steam can be exploded; The mixture of steam and air can be exploded; can react with oxidant |
| flammability hazard characteristics | flammability; Combustion stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Storage and transportation is separated from oxidant |
| extinguishing agent | dry powder, carbon dioxide, sand, foam |
| Occupational Standard | TWA 525 mg/m3; Tel 655 mg/m3 |
| spontaneous combustion temperature | 680 F &_& 714 f |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentrations | 1,000 ppm |
Last Update：2024-04-10 22:39:43
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