Pyrocatechol monoethyl ethe
pyrocatechol monoethyl ether
CAS: 94-71-3
Molecular Formula: C8H10O2
Pyrocatechol monoethyl ethe - Names and Identifiers
| Name | pyrocatechol monoethyl ether |
| Synonyms | guaethol 2-Ethoxyphenol 2-ethoxy-pheno Tamsulosin Impurity 3 2-Ethoxyphenol (Guaethol) Pyrocatechol monoethyl ethe 0-hydroxy phenyl ethyl ether pyrocatechol monoethyl ether Ethylvanillin DesforMyl IMpurity PYROCATECHOL MONOETHYL ETHER FOR SYNTHES Pyrocatechol monoethyl ether for synthesis Catechol Monoethyl EtherGuetholPyrocatechol Monoethyl Ether |
| CAS | 94-71-3 |
| EINECS | 202-358-5 |
| InChI | InChI=1/C8H10O2/c1-2-10-8-6-4-3-5-7(8)9/h3-6,9H,2H2,1H3 |
Pyrocatechol monoethyl ethe - Physico-chemical Properties
| Molecular Formula | C8H10O2 |
| Molar Mass | 138.16 |
| Density | 1.09 g/mL at 25 °C (lit.) |
| Melting Point | 20-25 °C (lit.) |
| Boling Point | 216-217 °C (lit.) |
| Flash Point | 91 °C |
| Water Solubility | 8.414g/L(24.99 ºC) |
| Solubility | 9g/l |
| Vapor Presure | 1 hPa (45 °C) |
| Appearance | Liquid |
| Color | Clear colorless to yellow |
| BRN | 1100453 |
| pKa | pK1:10.109 (25°C) |
| Storage Condition | Store below +30°C. |
| Refractive Index | n20/D 1.529(lit.) |
| Physical and Chemical Properties | O-ethoxyphenol, also known as catechol ether, 1-ethoxy-2-hydroxybenzene, is colorless to light yellow liquid with aroma. Relative molecular mass 138.17. Relative density 1.090. Melting point 28~29 ℃. Boiling point 216~217 ℃. Flash point 91 ℃. 1.5290 refractive index. |
| Use | It is a raw material for the synthesis of flavor ethyl vanillin, and can also be used as a pharmaceutical raw material |
Pyrocatechol monoethyl ethe - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29095090 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
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View History
Pyrocatechol monoethyl ethe
3-二甲基-7-氧代-4-硫杂-1-氮杂二环[3.2.0]庚烷-2-羧酸-6-氨基-3
4-[(2-胂酸苯基)偶氮]-3-羟基-2,7-萘二磺酸二钠盐
2-甲氧基硫代氯甲酸苯酯
H-4-硝基-苯丙氨酸乙酯盐酸盐
t-Butyl2-iodobenzoate
2-烯丙基-硼酸频那酯
3-[(2-甲氧基苯基)-苯基甲基]戊二腈
3-二甲基-7-氧代-4-硫杂-1-氮杂二环[3.2.0]庚烷-2-羧酸-6-氨基-3
4-[(2-胂酸苯基)偶氮]-3-羟基-2,7-萘二磺酸二钠盐
2-甲氧基硫代氯甲酸苯酯
H-4-硝基-苯丙氨酸乙酯盐酸盐
t-Butyl2-iodobenzoate
2-烯丙基-硼酸频那酯
3-[(2-甲氧基苯基)-苯基甲基]戊二腈