甘油单乙酸酯
Glyceryl monoacetate
CAS: 26446-35-5
Molecular Formula: C5H10O4
甘油单乙酸酯 - Names and Identifiers
甘油单乙酸酯 - Physico-chemical Properties
| Molecular Formula | C5H10O4 |
| Molar Mass | 134.13 |
| Density | 1.21 |
| Melting Point | 3 °C |
| Boling Point | 258 °C |
| Flash Point | 145 °C |
| Water Solubility | soluble |
| Vapor Presure | 0.00291mmHg at 25°C |
| Specific Gravity | 1.2060 (20℃) |
| Exposure Limit | OSHA: TWA 15 mg/m3; TWA 5 mg/m3 |
| Merck | 14,6242 |
| Sensitive | Hygroscopic |
| Refractive Index | 1.4500 |
| Physical and Chemical Properties | Colorless thick liquid, with hygroscopic. Relative density (d420)1.206, boiling point 158 deg C (22000). Soluble in water and ethanol, slightly soluble in ether, insoluble in benzene. |
| Use | Used in the manufacture of tanning and dyes, also used as a solvent |
甘油单乙酸酯 - Risk and Safety
| Risk Codes | 68 - Possible risk of irreversible effects |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| RTECS | AK3595000 |
| TSCA | Yes |
甘油单乙酸酯 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| preparation | 1. add HZSM-5/MCM-41(1.5g) glycerol (0.15 mol) and acetic acid (1.20 mol) to a distillation column equipped with a mechanical stirrer, thermometer and distillation. 2. Continuously remove the water formed in the reaction process to move the chemical balance forward. 3. The esterification process was monitored by analyzing the products by gas chromatography using a flame ionization detector (FID) equipped with a SE-30 capillary column. |
| use | carrier solvent. Used in the manufacture of tanning and dyes, and also used as a solvent |
| production method | is obtained by co-heating glycerin and concentrated acetic acid, distilled to remove dilute acetic acid, then co-heated with concentrated acetic acid, then distilled and rectified. |
| category | flammable liquid |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 8250 mg/kg |
| flammability hazard characteristics | flammable; combustion produces stimulating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:45
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View History
甘油单乙酸酯
顺式-3-羟基环丁烷甲酸甲酯
2-(2-(2-((Tetrahydro-2H-pyran-2-yl)oxy)ethoxy)ethoxy)ethan-1-ol
单硬脂酸酸脱水山梨(糖)酯
6-METHYLNICOTINAMIDE
25 MG -NICOTINAMIDE ADENINE DINUCLEOTIDEPHOSPHATE REDUCED.NA4-SALT AN.GR.
顺式-3-羟基环丁烷甲酸甲酯
2-(2-(2-((Tetrahydro-2H-pyran-2-yl)oxy)ethoxy)ethoxy)ethan-1-ol
单硬脂酸酸脱水山梨(糖)酯
6-METHYLNICOTINAMIDE
25 MG -NICOTINAMIDE ADENINE DINUCLEOTIDEPHOSPHATE REDUCED.NA4-SALT AN.GR.