Hydrazine hemisulfate salt
Hydrazine hemisulfate salt (CAS: 13464-80-7; Formula: H₂NNH₂ · ½H₂SO₄; MW: 81.08) is a stable salt form of hydrazine, commonly employed as a chemical intermediate and reducing agent. Its controlled reactivity makes it suitable for various synthetic pathways in organic chemistry. Supplied by Tech Serve Solutions, this compound is primarily utilised in research and industrial applications requiring precise chemical transformations.

Chemical Synthesis Intermediate
Hydrazine hemisulfate salt serves as a valuable building block in the synthesis of diverse organic molecules. It is often used in the preparation of heterocyclic compounds and other nitrogen-containing structures.
Reducing Agent
The compound can function as a reducing agent in specific chemical reactions. Its controlled release of hydrazine allows for its use where a milder reducing capability is required compared to free hydrazine.
Laboratory Reagent
In laboratory settings, hydrazine hemisulfate salt is utilised for various research purposes and analytical procedures. Its solid form offers a safer alternative to handling liquid hydrazine.
| Molecular weight | 81.08 |
|---|---|
| Linear formula | H2NNH2 · 1/2H2SO4 |
| Assay | ≥98% |



Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H317May cause an allergic skin reaction
- H331Toxic if inhaled
- H350May cause cancer
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2923 8/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-23/24/25-43-50/53 |
| Safety statements (S) | 53-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Hydrazine hemisulfate salt used for?
+
Hydrazine hemisulfate salt is primarily used as a chemical synthesis intermediate, a building block for organic compounds, and a reducing agent in laboratory and industrial settings.
What is the CAS number and formula for Hydrazine hemisulfate salt?
+
The CAS number is 13464-80-7 and the chemical formula is H₂NNH₂ · ½H₂SO₄.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Hydrazine hemisulfate salt with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should Hydrazine hemisulfate salt be handled safely?
+
Hydrazine hemisulfate salt is toxic if swallowed, in contact with skin, and if inhaled; it may cause an allergic skin reaction and is suspected of causing cancer. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a full-face particle respirator. Ensure adequate ventilation and avoid release into the environment.
Is Hydrazine hemisulfate salt a controlled substance?
+
The provided data does not indicate that Hydrazine hemisulfate salt is a scheduled or controlled substance. However, users should verify local regulations.
How is Hydrazine hemisulfate salt packed and shipped?
+
Hydrazine hemisulfate salt is shipped as UN 2923, Class 8 (Corrosive), Packing Group III. Please contact TSS for specific packaging and shipping details for export.
How can I request a quote or sample?
+
To request a quote or sample of Hydrazine hemisulfate salt, please use the contact form on our website or call our sales department.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis