Molekula
Bis(2-ethylhexyl) hydrogen phosphate Ultrapure
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
Bis(2-ethylhexyl) hydrogen phosphate (ultrapure) is a high-purity organophosphate ester used as an extractant in metal recovery, particularly for rare earth elements, and in hydrometallurgical solvent extraction of metals such as zinc and uranium. It is also employed in analytical chemistry for solvent extraction and phase-transfer applications. CAS 298-07-7, molecular formula [CH3(CH2)3CH(C2H5)CH2O]2P(O)OH, molecular weight 322.42 g/mol, stored at ambient conditions. Classified with the signal word Danger due to its hazardous properties. Molekula supplies Bis(2-ethylhexyl) hydrogen phosphate ultrapure from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, nearly colourless liquid |
| Refractive Index | 1442 - 1444 |
| Colour | ≤ 50 HAZEN units |
| Iron (Fe) | ≤ 5.0mg/kg |
| Water (KF) | ≤ 0.2% |
| Assay Potentiometric Titration | ⩾ 95.0% |
| Mono acid | (mono-2-ethylhexylphosphoric acid): ≤ 0.5% |
| Acid number | 165 -174 mgKOH/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 181 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90032984 |
| CAS Number | 298-07-7 |
| Molecular Formula | [CH3(CH2)3CH(C2H5)CH2O]2P(O)OH |
| Molecular Weight | 322.42 |
| SMILES | CCCCC(CC)COP(=O)(O)OCC(CC)CCCC |
| UN Number | UN1902 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2919.90.5010 |
| Tariff Code | 2919900090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H312 Harmful in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
- H402 Harmful to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is Bis(2-ethylhexyl) hydrogen phosphate Ultrapure commonly used for?
This reagent is primarily used as a phase-transfer catalyst, extractant for metal ions (e.g., uranium, thorium), and in organic synthesis for phosphorylation reactions.
What is the chemical formula and molecular weight of Bis(2-ethylhexyl) hydrogen phosphate Ultrapure?
The formula is [CH3(CH2)3CH(C2H5)CH2O]2P(O)OH, and the molecular weight is 322.42 g/mol.
How should Bis(2-ethylhexyl) hydrogen phosphate Ultrapure be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and strong oxidizing agents.
What purity grade is available for this product?
Molekula supplies this product in Ultrapure grade, meeting stringent analytical standards for high-purity applications.
Can Molekula supply Bis(2-ethylhexyl) hydrogen phosphate Ultrapure in bulk quantities?
Yes, we offer bulk packaging options—please contact our sales team for pricing and availability.
What documentation comes with an order of Bis(2-ethylhexyl) hydrogen phosphate Ultrapure?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.