Salicylic acid ethyl ester
Ethyl salicylate
CAS: 118-61-6
Molecular Formula: C9H10O3
Salicylic acid ethyl ester - Names and Identifiers
| Name | Ethyl salicylate |
| Synonyms | Mesotol Sal Ethyl Ethyl salicylate Ethyl salicyclate Ethyl sallicylate ethylhydroxylbenzoate Ethyl 2-hydroxybenzoate o-(Ethoxycarbonyl)phenol Salicylic acid ethyl ester 2-hydroxy-benzoicaciethylester Benzoicacid,2-hydroxy-,ethylester SALICYLIC ACID ETHYLESTER WITH GC |
| CAS | 118-61-6 |
| EINECS | 204-265-5 |
| InChIKey | GYCKQBWUSACYIF-UHFFFAOYSA-N |
Salicylic acid ethyl ester - Physico-chemical Properties
| Molecular Formula | C9H10O3 |
| Molar Mass | 166.17 |
| Density | 1.131 g/mL at 25 °C (lit.) |
| Melting Point | 1 °C (lit.) |
| Boling Point | 234 °C (lit.) |
| Flash Point | 225°F |
| JECFA Number | 900 |
| Water Solubility | slightly soluble |
| Solubility | Slightly soluble in water and glycerin |
| Vapor Presure | 0.05 mm Hg ( 25 °C) |
| Appearance | Transparent liquid |
| Color | Clear colorless to pale yellow |
| Merck | 14,3850 |
| BRN | 907659 |
| pKa | 9.93±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Sensitive | `sensitive` to fire |
| Explosive Limit | 1.1%(V) |
| Refractive Index | n20/D 1.522(lit.) |
| MDL | MFCD00002215 |
| Physical and Chemical Properties | Density 1.128 melting point 2-3°C boiling point 234°C refractive index 1.521-1.525 flash point 107°C water-soluble easily soluble |
| Use | For the preparation of daily soap flavor, also used in pharmaceutical |
Salicylic acid ethyl ester - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | VO3000000 |
| TSCA | Yes |
| HS Code | 29182390 |
| Toxicity | LD50 orally in Rabbit: 1320 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
Salicylic acid ethyl ester - Upstream Downstream Industry
| Raw Materials | Ethyl Alcohol |
Salicylic acid ethyl ester - Introduction
It has a slight smell of methyl salicylate and strong refractive index. It can turn yellow-brown under long-term air and light. It is miscible with ethanol and ether, slightly soluble in water. Low toxicity, median lethal dose (rat, oral) 1320mg/kg. It's irritating.
Last Update：2022-10-16 17:12:27
Salicylic acid ethyl ester - Reference Information
| FEMA | 2458 | ETHYL SALICYLATE |
| LogP | 3.07 at 21.9℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| content analysis | according to method 1 in ester determination method (OT-18). The amount of sample taken is 1g. The reflux time was 2h, and the indicator was changed to phenol red test solution (TS-166). The equivalent factor (e) in the calculation is 83.09. It should be determined by non-polar column method in GT-10-4. |
| toxicity | ADI 0.5 mg/kg(CE). LD50 1320mg/kg (rat, oral). |
| usage limit | FEMA(mg/kg): soft drink 2.8; Cold drink 11; Candy 10; Baked food 16; Pudding 0.04; Gum candy 16. Moderate limit (FDA § 172.515,2000). |
| use | GB 2760-96 stipulates that it is temporarily allowed to use edible spices. It is mainly used to prepare artificial cinnamon oil and berry flavors such as blackberry, blackcurrant and strawberry. It is used to prepare daily soap essence, also used in pharmacy It is also used as a solvent for nitrocellulose, and also used in spice and organic synthesis It can be used in Acacia, Robinia pseudoacacia, ylang ylang, lily of the valley and other sweet floral types. It can be used in a small amount in soap essence, such as as a sweetener in the fragrant Wei type. It can replace or modify its methyl ester aroma and fragrance in toothpaste and oral products. It is also used abroad for edible flavors, such as blackberry, black ribes, round currants, rubus, strawberries and other fruity and SARS flavors. Used for organic synthesis or preparation of spices, and also used as a solvent. Solvent, organic synthesis, manufacturing artificial spices. |
| Production method | is obtained by esterification of o-hydroxybenzoic acid (ie salicylic acid) with ethanol. it is made by esterification of salicylic acid, ethanol and concentrated sulfuric acid in the presence of aluminum sulfate at 100 ℃. It is formed by heating an alkali solution of salicylic acid and ethyl p-toluenesulfonate to boiling. |
| category | flammable liquid |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 1320 mg/kg |
| stimulation data | skin-rabbit 500 mg/24 hours moderate |
| flammability hazard characteristics | combustible in case of open flame, high temperature and strong oxidant; Combustion emission stimulates smoke |
| storage and transportation characteristics | complete packaging, light loading and unloading; warehouse ventilation, away from open flames, high temperature, separate storage from oxidant |
| fire extinguishing agent | foam, dry powder, carbon dioxide, sand |
Last Update：2024-04-09 02:00:06
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Raw Materials for Salicylic acid ethyl ester