Sodium arsenate dibasic heptahydrate

• CAS: 10048-95-0
• Catalog Number: ACM10048950
• Category: Metal & Ceramic Materials
• Molecular Weight: 312.01g/mol
• Molecular Formula: Na2HAsO4. 7H₂O;AsH15Na2O11
• Synonyms: Disodium hydrogen arsenate (Na2HAsO4) heptahydrate; Dibasic sodium arsenate (Na2HAsO4.7H₂O); HSDB 6358; Disodium acid arsenate heptahydrate (Na2HAsO4.7H₂O); AKOS015916134; Sodium arsenate dibasic heptahydrate, >=98.0%; disodium hydrogenarsenate heptahydrate; dipotassium heptahydrate arsenate(2-); 90ZQ7G407W; Sodium orthoarsenate heptahydrate
• IUPAC Name: disodium;hydrogen arsorate;heptahydrate
• Canonical SMILES: O.O.O.O.O.O.O.O[As](=O)([O-])[O-].[Na+].[Na+]
• InChI: InChI=1S/AsH3O4.2Na.7H₂O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2
• InChI Key: KOLXPEJIBITWIQ-UHFFFAOYSA-L
• Melting Point: 135 ° F (NTP, 1992);57 deg C when rapidly heated;130 °C
• Density: 1.88 (NTP, 1992);1.87;1.9 g/cm³
• Solubility: greater than or equal to 100 mg/mL at 77° F (NTP, 1992);5.46 g/100 cc water @ 0 deg C; 100 g/100 cc water @ 100 deg C; sol in glycerol;Solubility in water, g/100ml at 21 °C: 39
• Application: It is used as a source of soluble arsenic.
• Storage: Workers should keep containers of sodium arsenate heptahydrate tightly closed and under; lock and key in a cool, well-ventilated room/store area.
• Color/Form: Colorless, monoclinic crystals
• Complexity: 46.5
• Covalently-Bonded Unit Count: 10
• Decomposition: When heated to decomp it emits toxic fumes of arsenic.;180 °C
• Exact Mass: 311.963g/mol
• H-Bond Acceptor: 11
• H-Bond Donor: 8
• Heavy Atom Count: 14
• ICSC Number: 0326
• Monoisotopic Mass: 311.963g/mol
• Odor: Odorless
• Other Experimental: Decomposes at 180 deg C
• pH: Alkaline to litmus
• Physical Description: SODIUM ARSENATE HEPTAHYDRATE is an odorless white crystals. Becomes anhydrous at 212°F. Aqueous solution is alkaline to litmus. (NTP, 1992);COLOURLESS CRYSTALS.
• RTECS Number: CG0900000
• Stability: Effloresces in warm air
• Topological Polar Surface Area: 90.4A^2
• UNII: 90ZQ7G407W
• UN Number: 1685

Custom Reviews

March 7, 2023

---

A reference standard
Sodium arsenate dibasic heptahydrate can be used as a reference standard for quantitative detection of arsenic compounds in rice and seafood samples by ion chromatography-inductively coupled plasma/mass spectrometry.

Custom Q&A

What is the molecular formula of sodium arsenate dibasic heptahydrate?

The molecular formula of sodium arsenate dibasic heptahydrate is Na2(AsHO4).7H2O.

What is the molecular weight of sodium arsenate dibasic heptahydrate?

The molecular weight of sodium arsenate dibasic heptahydrate is 312.01 g/mol.

What are the synonyms of sodium arsenate dibasic heptahydrate?

The synonyms of sodium arsenate dibasic heptahydrate are disodium arsenate heptahydrate and sodium arsenate, dibasic, heptahydrate.

When was sodium arsenate dibasic heptahydrate created and last modified?

Sodium arsenate dibasic heptahydrate was created on August 8, 2005, and last modified on December 2, 2023.

What is the description of sodium arsenate heptahydrate?

Sodium arsenate heptahydrate appears as odorless white crystals and becomes anhydrous at 212 °F. Its aqueous solution is alkaline to litmus.

What is the IUPAC name of sodium arsenate dibasic heptahydrate?

The IUPAC name of sodium arsenate dibasic heptahydrate is disodium; hydrogen arsorate; heptahydrate.

What is the InChIKey of sodium arsenate dibasic heptahydrate?

The InChIKey of sodium arsenate dibasic heptahydrate is KOLXPEJIBITWIQ-UHFFFAOYSA-L.

What is the CAS number of sodium arsenate dibasic heptahydrate?

The CAS number of sodium arsenate dibasic heptahydrate is 10048-95-0.

What is the UN number of sodium arsenate dibasic heptahydrate?

The UN number of sodium arsenate dibasic heptahydrate is 1685.

What is the molecular weight of sodium in sodium arsenate dibasic heptahydrate?

The molecular weight of sodium in sodium arsenate dibasic heptahydrate is not provided in the reference.