QEMIX supplies the CoA matching the lot actually shipped, together with the official technical documentation issued by the manufacturer.
Sodium sulfite
| SKU | Pack size | Availability | Price |
|---|---|---|---|
| 1066579050 | 50 kg | Backorder | Request a quote |
Sodium sulfite – formula Na2SO3, CAS 7757-83-7, molecular weight 126.04 g/mol – is a laboratory chemical in the Reducing Agents group from Merck (Germany). Specification: purity 97.0-100.5% (iodometric), pack size 50 kg. It is commonly used for research, organic synthesis and method development. QEMIX supplies genuine Sodium sulfite with full COA/SDS, Quick Quote and nationwide delivery in Vietnam. Contact us for partner pricing and technical support.

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