Embedding Medium ERL-4221D

(Epoxycyclohexylmethyl-3,4-epoxycyclohexylcarboxylate, Epoxy embedding medium, Spurr Embedding Medium)
C14H20O4Mr 252CAS [2386-87-0]

ERL-4221D (Epoxycyclohexylmethyl-3,4-epoxycyclohexylcarboxylate) is a cycloaliphatic epoxy resin used as an embedding medium for electron microscopy. ERL-4221D is a less toxic substitute for the classical SPURR embedding medium component ERL 4206. SPURR-Mixture has a low viscosity which facilitates rapid prenetration into tissues. It is often used for highly vacuolated plant cells and tissues with hard lignified cell walls, for brain tissue as well as for tissues with dense structures like minerals and bones.


Epoxy equivalent weight
Viscosity (25 °C)
Density (g/ml)

126 - 135
220 - 250 mPa·s
1.159 - 1.174


WARNING
Hazard Statements H317
Precautions P261 - P280
Reaction P302 +P352 - P333 +P313 - P363

EINECS: 219-207-4WGK: 1LHS: 39073000
Storage Temperature: +15 °C to +30 °C

Cat.No.
Size
EUR
21041.02
250 ml
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H317

Deutsch:

Kann allergische Hautreaktionen verursachen.

English:

May cause an allergic skin reaction.

Français:

Peut provoquer une allergie cutanée.

Italiano:

Può provocare una reazione allergica cutanea.

Español:

Puede provocar una reacción alérgica en la piel.

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P261

Deutsch:

Einatmen von Staub/Rauch/Gas/Nebel/Dampf/Aerosol vermeiden.

English:

Avoid breathing dust/fume/gas/mist/vapours/spray.

Français:

Éviter de respirer les poussières/fumées/gaz/brouillards/vapeurs/aérosols.

Italiano:

Evitare di respirare la polvere/i fumi/i gas/la nebbia/i vapori/gli aerosol.

Español:

Evitar respirar el polvo/el humo/el gas/la niebla/los vapores/el aerosol.

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P280

Deutsch:

Schutzhandschuhe/Schutzkleidung/Augenschutz/Gesichtsschutz tragen.

English:

Wear protective gloves/protective clothing/eye protection/face protection.

Français:

Porter des gants de protection/des vêtements de protection/un équipement de protection des yeux/du visage.

Italiano:

Indossare guanti/indumenti protettivi/Proteggere gli occhi/il viso.

Español:

Llevar guantes/prendas/gafas/máscara de protección.

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P302 +P352

Deutsch:

BEI KONTAKT MIT DER HAUT: Mit viel Wasser und Seife waschen.

English:

IF ON SKIN: Wash with plenty of soap and water.

Français:

EN CAS DE CONTACT AVEC LA PEAU: laver abondamment à l’eau et au savon.

Italiano:

IN CASO DI CONTATTO CON LA PELLE: lavare abbondantemente con acqua e sapone.

Español:

EN CASO DE CONTACTO CON LA PIEL: Lavar con agua y jabón abundantes.

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P333 +P313

Deutsch:

Bei Hautreizung oder -ausschlag: Ärztlichen Rat einholen/ärztliche Hilfe hinzuziehen.

English:

If skin irritation or rash occurs: Get medical advice/attention.

Français:

En cas d’irritation ou d'éruption cutanée: consulter un médecin.

Italiano:

In caso di irritazione o eruzione della pelle: consultare un medico.

Español:

En caso de irritación o erupción cutánea: Consultar a un médico.

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P363

Deutsch:

Kontaminierte Kleidung vor erneutem Tragen waschen.

English:

Wash contaminated clothing before reuse.

Français:

Laver les vêtements contaminés avant réutilisation.

Italiano:

Lavare gli indumenti contaminati prima di indossarli nuovamente

Español:

Lavar las prendas contaminadas antes de volver a usarlas.