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β-Estradiol CAS:50-28-2

Name: β-Estradiol CAS:50-28-2
Brand: Orient
SKU: pr2512241098
Price: 4 USD
Availability: InStock

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CAS No.:

50-28-2

Grade:

Industrail Grade

Content:

99%

Port:

SHANGHAI

Brand:

Orient

Packaging:

1KG, 5KG, 25KG

Price valid (until):

2026-01-24

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Product Name:	β-Estradiol
Synonyms:	BETA-ESTRADIOL-16,16,17-D3;17BETA-ESTRADIOL-16,16,17-D3;β-Estradiol, 99% (dry wt.), ca 3% water;1,3,5-Estratriene-3,17beta-diol;17beta-Estradiol;3,17beta-Dihydroxy-1,3,5(10)-estratriene;Dihydrofolliculin;Estradiol
CAS:	50-28-2
MF:	C18H24O2
MW:	272.39
EINECS:	200-023-8
Product Categories:	powder or crystal;Inhibitors;Intermediates & Fine Chemicals;API;VIVELLE;Hormone Drugs;Analytical Chemistry;Biochemistry;Environmental Endocrine Disruptors;Estradiol, etc. (Environmental Endocrine Disruptors);Hydroxysteroids;Intracellular receptor;Pharmaceuticals;Steroid and Hormone;Steroids;Estrogen;Hormone
Mol File:	50-28-2.mol

β-Estradiol Chemical Properties

Melting point	178-179 °C(lit.)
alpha	D25 +76 to +83° (dioxane)
Boiling point	355.44°C (rough estimate)
density	1.0708 (rough estimate)
refractive index	80.4 ° (C=1, Dioxane)
Fp	2℃
storage temp.	room temp
solubility	Practically insoluble in water, soluble in acetone, sparingly soluble in ethanol (96 per cent), slightly soluble in methylene chloride.
form	powder
pka	pKa 10.71±0.02(H2O(0.1% p-dioxane) t=25±0.1 I=0.03(KCl))(Approximate)
color	White to off-white
biological source	synthetic (organic)
Water Solubility	Soluble in dimethyl sulfoxide, ethanol , water, phosphate buffer saline, dimethyl formamide, acetone, dioxane and alkali hydroxides. Slightly soluble in vegetable oils.
Merck	14,3703
BRN	1914275
BCS Class	1
Stability:	Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions	SKIN CONDITIONING
InChIKey	VOXZDWNPVJITMN-ZBRFXRBCSA-N
CAS DataBase Reference	50-28-2(CAS DataBase Reference)
NIST Chemistry Reference	Estra-1,3,5(10)-triene-3,17beta-diol(50-28-2)
EPA Substance Registry System	Estradiol (50-28-2)

First aid measures

If inhaled

Move the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.

Following skin contact

Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.

Following eye contact

Rinse with pure water for at least 15 minutes. Consult a doctor.

Following ingestion

Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.

Accidental release measures

Personal precautions, protective equipment and emergency procedures

Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak. Environmental precautions

Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up

Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

Q4:What if there are quality issues？

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

Estradiol

Other Name:

Estra-1,3,5(10)-triene-3,17-diol (17β)-;Estradiol;(17β)-Estra-1,3,5(10)-triene-3,17-diol;Altrad;Bardiol;Beta-estradiol;Dihydrofollicular hormone;Dihydrofolliculin;Dihydromenformon;Dihydrotheelin;Dihydroxyestrin;Diogyn;Diogynets;3,17-Epidihydroxyestratriene;Estraldine;Dimenformon;Estrovite;Femestral;Femogen;Gynergon;Gynoestryl;Lamdiol;Macrodiol;Nordicol;Oestergon;Oestradiol;Oestroglandol;Ovahormon;Ovasterol;Ovastevol;Ovocyclin;Primofol;Profoliol;Progynon;Progynon DH;Syndiol;Theelin,dihydro-;Estra-1,3,5(10)-triene-3,17β-diol;Ginosedol;Estra-1,3,5(10)-triene-3,17-diol,(17β)-;β-Estradiol;(+)-3,17β-Estradiol;Oestra-1,3,5(10)-triene-3,17β-diol;3,17β-Dihydroxyestra-1,3,5(10)-triene;3,17β-Estradiol;Perlatanol;Aquadiol;Follicyclin;Corpagen;17β-Oestradiol;Estradiol-17β;Estrace;Compudose;Estraderm;Compudose 365;E 2;Compudose 200;Estrogel;Estraderm TTS;Oestrogel;Menorest;Systen;Evorel;Climaderm;13β-Methyl-1,3,5(10)-gonatriene-3,17β-ol;Estraderm TTS 50;Epiestriol 50;Estroclim 50;Dermestril;Climara;Oesclim;17β-Estradiol;Encore;Aerodiol;Divigel;Sandrena 1;Vagifem;Gelestra;Estraderm TTS 100;Zumenon;Vivelle;NSC 9895;Profoliol B;Ovocylin;Estring Vaginal Ring;Estroclim;Estradot;Femanest;Estrogel HBF;Absorlent Matrix;FemSeven;Estrapatch;Estraderm MX;Alora;Estasorb;Estredox;Estreva;Bio-E Gel;Benzogynestry;Estropause;Menostar;Evamist;Zesteem;Compudose 400;Compudose 100;Vivelle-Dot;Sprediol;Elestrim;873662-39-6;1050677-52-5;1206475-11-7

CAS No.:

50-28-2

Molecular Formula:

C18H24O2

InChIKeys:

InChIKey=VOXZDWNPVJITMN-ZBRFXRBCSA-N

Molecular Weight:

272.38200

Exact Mass:

272.38

EC Number:

200-023-8

HScode:

29372390

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

40.46000

XLogP3:

3.60920

Appearance:

Solid

Density:

1.17g/cm3

Melting Point:

173-179 °C

Boiling Point:

445.9ºC at 760mmHg

Flash Point:

209.6ºC

Refractive Index:

1.599

Water Solubility:

Soluble in dimethyl sulfoxide, ethanol , water, phosphate buffer saline, dimethyl formamide, acetone, dioxane and alkali hydroxides. Slightly soluble in vegetable oils.

Storage Conditions:

2-8ºC

Vapor Pressure:

6.38X10-9 mm Hg at 25 deg C (est)

Toxicity:

LD50 subcutaneous in rat: > 300mg/kg

Specific rotation:

Specific optical rotation at 25 °C for D (sodium) line: +76 deg at 25 °C/D to +83 deg at 25 °C/D (dioxane)

Odor:

Odorless

PKA:

10.46±0.03

See More Estradiol Properties 

Hazard Identification

Classification of the substance or mixture

Carcinogenicity, Category 2

Reproductive toxicity, Category 1A

Reproductive toxicity, Additional category for effects on or via lactation

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H351 Suspected of causing cancer H360 May damage fertility or the unborn child H362 May cause harm to breast-fed children H410 Very toxic to aquatic life with long lasting effects
Prevention	P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P260 Do not breathe dust/fume/gas/mist/vapours/spray. P263 Avoid contact during pregnancy and while nursing. P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment.
Response	P318 IF exposed or concerned, get medical advice. P391 Collect spillage.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Do not store unpouched. Apply immediately upon removal from the protective pouch.

See More Estradiol Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

A reliable supplier is like insurance.

We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

35 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	oestrogen β-ESTRADIOL Estradiol 17β-Estradiol 17β-Oestradiol E2 98% Powder 50-28-2 Senwayer	100 MG	May 27, 2025
United States	99% β-estradiol CAS NO 50-28-2	20 G	Sep 5, 2024
United Kingdom	Factory Wholesale Estradiol Raw Materials 99% Powder CAS 50-28-2 EGC-Estradiol	3 KG	Jan 4, 2024
Australia	High Purity Beta-Estradiol Estrogen Drugs Estradiol Powder CAS 50-28-2	100 G	Nov 6, 2024
Australia	17 beta-estradiol powder (CAS 50-28-2	10 G	Sep 18, 2024
Hungary	large image1 oestrogen β-ESTRADIOL Estradiol 17β-Est E2 98% Powder 50-28-2	12 G	Dec 30, 2025
Hungary	High Purity Beta-Estradiol Estrogen Drugs Estradiol Powder CAS 50-28-2	12 G	Dec 30, 2025
France	Hormones Estradiol CAS No 50-28-2 with High Purity Estrogen Drugs	20000 MT	Aug 31, 2023
Switzerland	Hormones Estradiol CAS No 50-28-2 with High Purity Estrogen Drugs	10000 MT	Aug 27, 2023
United Kingdom	99% High Purity CAS 50-28-2 Estradiol with Favorable Price 99% white powder Lingding-91 Lingding	50 G	Nov 10, 2023
United States	17-Beta Estradiol	10 G	Sep 24, 2024
Japan	Estradiol	1 G	Aug 6, 2024
United Kingdom	Beta-Estradiol	10 G	Apr 16, 2026
Czech	estradiol	20 G	Nov 23, 2025
United States	bioidentical estradiol	1 KG	Dec 23, 2025
Bahamas	Estradiol	2 MT	Nov 18, 2025
Australia	Estradiol 99% Purity Estradiol Powder	100 G	Feb 13, 2025
Pakistan	Estradiol	25 G	Dec 2, 2024
Canada	High Purity Beta-Estradiol Estrogen Drugs Estradiol Powder	1 G	Nov 10, 2024
United States	estradiol	1 KG	Nov 10, 2024

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