Aniline sulfate
Aniline sulfate (CAS 542-16-5) is a chemical compound with the formula (C6H5NH2)2·H2SO4 and a molecular weight of 284.33 g/mol. It is classified as an amine salt and an organic building block. Primarily recognised for its use as an internal standard in analytical studies, it plays a role in research contexts, particularly in the stereoselective disposition of substances. Tech Serve Solutions supplies this compound with a typical assay of 98%.

Analytical Standards
Aniline sulfate serves as a critical internal standard in analytical chemistry. It is utilised in studies such as the stereoselective disposition of methamphetamine, aiding in accurate quantification and analysis.
Organic Synthesis
As an organic building block and an amine salt, aniline sulfate is valuable in various chemical synthesis pathways. Its structure lends itself to incorporation into more complex organic molecules.
Research and Development
This compound is employed in laboratory settings for research and development purposes, contributing to the broader understanding of chemical reactions and analytical methodologies.
| Molecular weight | 284.33 |
|---|---|
| Linear formula | (C6H5NH2)2 · H2SO4 |
| Assay | 98% |
| Solubility | water: soluble5%, clear, colorless |
| Application | Aniline sulfate was used as an internal standard in the stereoselective disposition of methamphetamine (MAP, a widely abused drug) study1. |




Hazard statements
- H301Toxic if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H341Suspected of causing genetic defects
- H351Suspected of causing cancer
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-40-41-43-48/23/24/25-50-68 |
| Safety statements (S) | 26-27-36/37/39-45-61-63 |
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 Aniline sulfate used for?
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Aniline sulfate is primarily used as an internal standard in analytical studies, for example, in the stereoselective disposition of methamphetamine. It also functions as an organic building block in chemical synthesis.
What is the CAS number and chemical formula for Aniline sulfate?
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The CAS number for Aniline sulfate is 542-16-5, and its linear chemical formula is (C6H5NH2)2·H2SO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aniline sulfate with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Aniline sulfate be handled safely?
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Aniline sulfate is a dangerous substance. It is toxic if swallowed, in contact with skin, or if inhaled (H301 + H311 + H331), causes skin irritation (H317), causes serious eye damage (H318), is suspected of causing genetic defects (H341), suspected of causing cancer (H351), causes damage to organs through prolonged or repeated exposure (H372), and is very toxic to aquatic life with long lasting effects (H410). Handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is Aniline sulfate a controlled substance?
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The provided safety data indicates Aniline sulfate is classified with hazard codes T (Toxic) and N (Dangerous for the environment). It is shipped under UN 2811, 6.1/PGIII, requiring adherence to regulations for toxic substances. Specific controlled substance status depends on regional legislation.
How is Aniline sulfate packed, shipped, and exported?
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Aniline sulfate is packed and shipped in accordance with international regulations for hazardous materials, classified as UN 2811, 6.1/PGIII. Tech Serve Solutions is experienced in global export.
How can I request a quote or sample of Aniline sulfate?
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To request a quote or a sample of Aniline sulfate, please contact our sales team via the website or direct email, providing your specific requirements.
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