MDEA, DMEA and DEA: Check the Name Before Ordering

A supplier quotation says MDEA, while an internal requisition says DMEA. The abbreviations look similar, but they identify different chemicals. Before confirming an order, match the full product name and CAS number across the inquiry, quotation and purchase specification.

Match the abbreviation to the full chemical name

Use the following identifiers when reviewing procurement documents.

These name and CAS pairings appear in manufacturer product information. Keeping both fields in the requisition helps purchasing resolve an abbreviation error before requesting a quote. amines.com

Add the grade and concentration

Once the chemical identity is confirmed, specify the required grade, assay or solution concentration. For an MDEA order, state whether the plant needs concentrated material, an aqueous solution or an approved formulated solvent. Include the specification revision or formulation reference used by your process team.

A complete inquiry line could read “N-Methyldiethanolamine, CAS 105-59-9, concentrated grade, against attached purchase specification.” The attachment can then define the assay, water content, color and test requirements.

Carry the same identifiers through to receiving

Check the product name and grade on the supplier’s quotation, technical data sheet and safety data sheet before ordering. At receipt, match the package labels and batch certificate of analysis to the purchase order.

If a document uses an unfamiliar synonym or a different abbreviation, ask the supplier to confirm the identity and grade in writing before completing the review.

Request MDEA with a clear product description

Send China Amines Co., Limited the full product name, CAS number, required grade or concentration, net quantity, preferred packaging and destination port. Include your purchase specification so we can review the product description and documentation requirements with the quotation.

Inquiries
info@chinaamines.com

Technical references

• BASF Gas Treatment — MDEA and DEA Product Information
• Amines & Plasticizers Limited — Dimethyl Ethanolamine
• BASF — Diethanolamine