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Disodium hydrogen arsenate heptahydrate

砷酸氢二钠七水合物

Also known as: SODIUM ARSENATE, HEPTAHYDRATE, Sodium arsenate dibasic heptahydrate, Disodium arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate, Arsenic acid, disodium salt, heptahydrate, Dibasic sodium arsenate heptahydrate, Sodium acid arsenate, heptahydrate, Sodium arseniate, dibasic sodium arsenate heptahydrate

Disodium hydrogen arsenate heptahydrate (CAS 10048-95-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula AsH15Na2O11 and a molecular weight of 312.01400 g/mol. It is also known as SODIUM ARSENATE, HEPTAHYDRATE, Sodium arsenate dibasic heptahydrate and Disodium arsenate heptahydrate. Key properties include a melting point of 180 °C (dec.)(lit.) and a density of 1,88 g/cm3. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10048-95-0
Jingsj CID
J-44814-1
Molecular Formula
AsH15Na2O11
Chinese Name
砷酸氢二钠七水合物
Molecular Weight
312.01400 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180 °C (dec.)(lit.)
Density1,88 g/cm3
Exact Mass311.96300
PSA148.03000

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled
  • H350 — May cause cancer
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Disodium hydrogen arsenate heptahydrate?

The CAS number of Disodium hydrogen arsenate heptahydrate is 10048-95-0.

What are the molecular formula and molecular weight of Disodium hydrogen arsenate heptahydrate?

Disodium hydrogen arsenate heptahydrate has molecular formula AsH15Na2O11 and molecular weight 312.01400 g/mol.

Is Disodium hydrogen arsenate heptahydrate hazardous?

Disodium hydrogen arsenate heptahydrate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H350 — May cause cancer.

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

Last updated:

How to cite: Jingsj. "Disodium hydrogen arsenate heptahydrate (CAS 10048-95-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44814-1 (accessed 2026-10-28).

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