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CAS 7681-38-1

CAS 7681-38-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7681-38-1
CAS 7681-38-1PubChem CID 516919

Sodium Bisulfate

Bisulfate, aqueous solution is a white crystalline solid dissolved in water. It is corrosive to metals and tissue. — CAMEO Chemicals

IUPAC name
sodium hydrogen sulfate
Molecular formula
HNaO4S
Molecular weight
120.06 g/mol
Exact mass
119.94932396 Da
Topological polar surface area
85.8 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

Sodium acid sulfateNitre cakeBisulfate of sodaSodium hydrogensulphateSodium hydrosulfateNiter cakesodium bisulphateWC-Perfect
16 more reported names
Monosodium sulfateWC-SuperWC-KlosettreinigerSodium bisulfate, fusedSodium sulfate, NaHSO4Sulfuric acid, monosodium saltMonosodium hydrogen sulfateSodium bisulfate, solid(DOT)BU8V88OWIQSodium hydrogen sulfate (NaHSO4)Sodium hydrogen sulfate, solid (DOT)INS NO.514(II)INS-514(II)E-514(II)RefChem:183804231-665-7
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 7681-38-1

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No records found for this CAS number.

How CAS 7681-38-1 is used on this site

CAS 7681-38-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7681-38-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.