EQUILIN
Synonym(s):1,3,5(10),7-Estratetraen-3-ol-17-one;3-Hydroxy-1,3,5(10),7-estratetraen-17-one;7-Dehydroestrone
- CAS NO.：474-86-2
- Empirical Formula: C18H20O2
- Molecular Weight: 268.35
- MDL number: MFCD00046223
- EINECS: 207-488-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:07:02
What is EQUILIN?
Chemical properties
Off-White Solid
The Uses of EQUILIN
Equilin is an estrogen found in Premarin, which is a mixture of conjugated estrogens widely used in hormone replacement therapy.
Definition
ChEBI: Equilin is a 17-oxo steroid and a 3-hydroxy steroid. It derives from a hydride of an estrane.
General Description
An estrogen present in the hormone replacement therapy drug Premarin. Equilin levels are monitored in drinking water samples by LC-MS/MS using EPA method 539.
Properties of EQUILIN
| Melting point: | 238-240 °C(lit.) |
| Boiling point: | 351.51°C (rough estimate) |
| alpha | D25 +308° (c = 2 in dioxane); D25 +325° (c = 2 in alc) |
| Density | 1.1096 (rough estimate) |
| refractive index | 1.4800 (estimate) |
| Flash point: | 9℃ |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Dioxane (Slightly, Heated, Sonicated), DMSO (Slightly, Sonicated) |
| form | Solid |
| pka | pKa 10.26±0.04(H2O t=23±2) (Uncertain) |
| form | neat |
| color | White to off-white |
| Water Solubility | 1.4mg/L(25 ºC) |
| Merck | 13,3672 |
| BRN | 2624302 |
| EPA Substance Registry System | Equilin (474-86-2) |
Safety information for EQUILIN
| Signal word | Warning |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H351:Carcinogenicity H362:Reproductive toxicity, effects on or via lactation |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P263:Avoid contact during pregnancy/while nursing. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for EQUILIN
EQUILIN manufacturer
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