At a Glance
Material Family
Acids & Salts
Record Type
Salt
Primary Role
pH Adjustment · Biocidal Action
Functional Roles
Industries Served
Applications & Use Cases
- ▸ Dry granular poultry litter acidifier (PLT / litter grade) broadcast over bedding to lower litter pH, suppress ammonia volatilization, and reduce pathogen and darkling-beetle loads in broiler houses.
- ▸ Acidulant and pH-reducing agent in HI&I formulations such as toilet-bowl, tile and metal cleaners where a solid, easy-to-handle dry acid is preferred over liquid mineral acids.
- ▸ pH adjustment and alkalinity reduction in water treatment, pool and spa balancing, and industrial process water where a granular acid offers safer dosing than sulfuric acid.
- ▸ Food-grade (FCC / INS 514(ii)) acidulant and leavening acid in dry mixes, meat processing and household cleaning chemistries.
- ▸ Mild descaling and metal-surface preparation agent for removing scale, rust and mineral deposits in industrial maintenance cleaning.
Physical Properties
Appearance
white crystalline granules or powder
Molecular Weight
120.06 g/mol
Melting Point
315 C (anhydrous, decomposes)
Density
2.74 g/cm3
Solubility in Water
fully soluble (approx. 1080 g/L at 20 C)
pH
1.0-1.4 (1% aqueous solution, strongly acidic)
Bulk Form
anhydrous or monohydrate
Safety & Handling
Full SDS available on request
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →
Chemical Identity
CAS Number
7681-38-1
Molecular Formula
HNaO4S
Molecular Weight
120.06 g/mol
IUPAC Name
sodium hydrogen sulfate
PubChem CID
InChI Key
WBHQBSYUUJJSRZ-UHFFFAOYSA-M
Synonyms & Trade Names
Full Description
Regulatory & registration requirements
- TSCA (US):
- REACH (EU):
- EC number: 231-665-7
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.