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3-(Amidinothio)-1-propanesulfonic acid

CAS 21668-81-5H2NC(=NH)S(CH2)3SO3HChemical Synthesis

3-(Amidinothio)-1-propanesulfonic acid (CAS 21668-81-5), with the molecular formula H2NC(=NH)S(CH2)3SO3H and a molecular weight of 198.26 g/mol, is a chemical compound utilised in synthesis. This sulfonic acid derivative offers unique chemical properties for research and development purposes. Tech Serve Solutions supplies this compound for various chemical synthesis applications.

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3-(Amidinothio)-1-propanesulfonic acid (H2NC(=NH)S(CH2)3SO3H) — chemical structure, CAS 21668-81-5; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfonic/Sulfinic AcidsSulfur Compounds
01 /Applications

Chemical Synthesis

3-(Amidinothio)-1-propanesulfonic acid serves as a valuable building block in organic synthesis. Its functional groups allow for diverse chemical transformations in the development of novel compounds.

Organic Building Block

This compound is categorised as an organic building block, suitable for incorporation into more complex molecular structures. It is particularly relevant in research exploring sulfur-containing organic molecules.

Sulfonic Acid Derivative

As a sulfonic acid derivative, it can be employed in reactions where this functional group is required. Its unique structure may offer specific reactivity profiles in various chemical processes.

02 /Properties
Molecular weight198.26
Linear formulaH2NC(=NH)S(CH2)3SO3H
Assay97%
Solubilitywater: soluble25 mg/mL, clear, colorless
Application3-(Amidinothio)-1-propanesulfonic acid may be used in chemical synthesis.
Melting point254-256 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentEyeshields, 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 3261 8 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)34
Safety statements (S)26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
21668-81-5
MDL number
MFCD00085942
PubChem substance
24855151
05 /Quality & supply

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.

06 /Frequently asked questions

What is 3-(Amidinothio)-1-propanesulfonic acid used for?

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3-(Amidinothio)-1-propanesulfonic acid is primarily used as a building block in chemical synthesis and organic chemistry research.

What are the CAS number and formula for 3-(Amidinothio)-1-propanesulfonic acid?

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The CAS number is 21668-81-5 and the linear formula is H2NC(=NH)S(CH2)3SO3H.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 3-(Amidinothio)-1-propanesulfonic acid with an assay of 97%. This is a technical/research grade material; TSS does not represent it as USP, BP, or EP grade.

What are the key safety hazards associated with 3-(Amidinothio)-1-propanesulfonic acid?

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This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves and respiratory protection, must be used. Handle with extreme caution in a well-ventilated area.

How is 3-(Amidinothio)-1-propanesulfonic acid packed and shipped?

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3-(Amidinothio)-1-propanesulfonic acid is shipped as UN 3261, Class 8, Packing Group II. Tech Serve Solutions ensures compliance with all regulations for safe packing and export.

How can I request a quote or sample?

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To request a quote or sample of 3-(Amidinothio)-1-propanesulfonic acid, please contact our sales department through the website or by phone.

Need 3-(Amidinothio)-1-propanesulfonic acid in a specific grade or volume?