Sodium dihydrogen phosphate monohydrate (CAS 10049-21-5)

Chinese name: 磷酸二氢钠单水合物

Sodium dihydrogen phosphate monohydrate is registered under CAS 10049-21-5. Molecular formula: H4NaO5P. Approximate molecular weight: 137.99. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	10049-21-5
English name	Sodium dihydrogen phosphate monohydrate
Chinese name	磷酸二氢钠单水合物
Molecular formula	H4NaO5P
Molecular weight	137.99
Melting point	100℃
HS code (ref.)	2835220000

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 10049-21-5?

Sodium dihydrogen phosphate monohydrate is identified by CAS Registry Number 10049-21-5. Molecular formula: H4NaO5P. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Sodium dihydrogen phosphate monohydrate?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 10049-21-5 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.