Skip to content
Molekula

Molekula

EGTA

SKU 29346817 CAS 67-42-5 [-CH2OCH2CH2N(CH2CO2H)2]2 MW 380.35 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

EGTA is a chelating agent used to bind calcium ions in biochemical and cellular research. It is commonly employed in buffer solutions to control calcium concentration. Available in powder form with a molecular weight of 380.35 g/mol, CAS number 67-42-5, and stored at ambient temperature. Signal word: Warning. Molekula supplies EGTA from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
  • 50 g — £65.00 per pack ex VAT · £78.00 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White crystalline powder
Melting Point 240 - 244°C
Heavy metals ≤ 5ppm
Loss on Drying ≤ 2.0%
Chloride (Cl-) ≤ 50ppm
Purity (Titration) ≥ 98.0%
Identification (IR) Conforms to reference

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 29346817
CAS Number 67-42-5
IUPAC Name 2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)amino]acetic acid
EC Number 200-651-2
Molecular Formula [-CH2OCH2CH2N(CH2CO2H)2]2
Molecular Weight 380.35
Exact Mass 380.1431
SMILES C(COCCOCCN(CC(=O)O)CC(=O)O)N(CC(=O)O)CC(=O)O
InChIKey DEFVIWRASFVYLL-UHFFFAOYSA-N
InChI InChI=1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)
PubChem CID 6207
REACH Code Y113
TSCA Listed Yes
HTS Code 29225050
Tariff Code 2922500090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 6,9-Dioxa-3,12-diazatetradecanedioic acid, 3,12-bis(carboxymethyl)-
  • Acide egtazique
  • Acido egtazico
  • Acidum egtazicum
  • Ebonta
  • Egtazic acid
  • Ethylene Glycol Tetraacetic Acid
  • Ethylenebis(oxyethylenenitrilo)tetraacetic acid
  • Ethylenedioxybis(ethyleneamino)tetraacetic acid
  • Gedta

Frequently asked questions

What is EGTA used for?

EGTA is primarily used as a calcium chelating agent in biochemical and cellular research, particularly in experiments requiring selective calcium ion removal.

What is the chemical formula and molecular weight of EGTA?

The formula of EGTA is [-CH2OCH2CH2N(CH2CO2H)2]2 with a molecular weight of 380.35 g/mol.

How should EGTA be stored?

EGTA should be stored at ambient temperature, protected from moisture and light.

What grade of EGTA does Molekula supply?

Molekula supplies EGTA in high-purity research grade, suitable for laboratory use.

Can Molekula supply EGTA in bulk?

Yes, Molekula can supply EGTA in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with an EGTA order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket