EQUILIN Chemical Properties

Melting point:

238-240 °C(lit.)

alpha 

D25 +308° (c = 2 in dioxane); D25 +325° (c = 2 in alc)

Boiling point:

351.51°C (rough estimate)

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)

pka

pKa 10.26±0.04(H2O t=23±2) (Uncertain)

Water Solubility 

1.4mg/L(25 ºC)

Merck 

13,3672

BRN 

2624302

EPA Substance Registry System

Equilin (474-86-2)

Safety Information

Hazard Codes 

Xn,T,F

Risk Statements 

40-62-63-39/23/24/25-23/24/25-11

Safety Statements 

36/37-45-16-7

RIDADR 

UN1230 - class 3 - PG 2 - Methanol, solution

WGK Germany 

3

RTECS 

KG6650000

HS Code 

2937230000

MSDS

• Language:English Provider:SigmaAldrich

EQUILIN Usage And Synthesis

Chemical Properties

Off-White Solid

Uses

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.

EQUILIN(474-86-2)Related Product Information

• cis-Flupentixol hydrochloride
• Sodium equilin sulfate
• Flupentixol decanoate
• FLUPENTIXOL IMPURITY D
• EQUILIN
• FLUPENTIXOL IMPURITY F
• Fupentixol dihydrochloride
• Flupentiol
• equilin sulfate, sodium salt
• EQUILIN BENZOATE
• EQUILIN ACETATE
• SODIUM EQUILIN-2,4,16,16-D4 SULFATE
• equilin methyl ester
• 1,3,5(10), 7-ESTRATETRAEN-4-BROMO-3-OL-17-ONE
• Equilin-d4
• EQUILIN METHYL ETHER
• EQUILIN SODIUM SULFATE,EQUILIN SODIUM SULPHATE,EQUILIN SULPHATE
• 17β-Equilin