Sodium ammonium hydrogen phosphate tetrahydrate

磷酸氢钠铵四水合物

Also known as: Ammonium sodium phosphate dibasic tetrahydrate, Ammonium sodium hydrogen phosphate tetrahydrate, Microcosmic salt tetrahydrate, Sodium ammonium phosphate tetrahydrate, sec-Sodium ammonium phosphate, Ammonium sodium phosphate, Sodium ammonium phosphate, Salt of phosphorus, Microcosmic salt

Sodium ammonium hydrogen phosphate tetrahydrate (CAS 7783-13-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H13NNaO8P and a molecular weight of 209.069 g/mol. It is also known as Ammonium sodium phosphate dibasic tetrahydrate, Ammonium sodium hydrogen phosphate tetrahydrate and Microcosmic salt tetrahydrate. Key properties include a melting point of 80ºC and a density of 1.54. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7783-13-3
Jingsj CID: J-16055-7
Molecular Formula: H₁₃NNaO₈P
Chinese Name: 磷酸氢钠铵四水合物
Molecular Weight: 209.069 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	80ºC
Density	1.54

Frequently Asked Questions

What is the CAS number of Sodium ammonium hydrogen phosphate tetrahydrate?

The CAS number of Sodium ammonium hydrogen phosphate tetrahydrate is 7783-13-3.

What are the molecular formula and molecular weight of Sodium ammonium hydrogen phosphate tetrahydrate?

Sodium ammonium hydrogen phosphate tetrahydrate has molecular formula H13NNaO8P and molecular weight 209.069 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Sodium ammonium hydrogen phosphate tetrahydrate (CAS 7783-13-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16055-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.