Sodium Allylsulfonate, Sodyum Alyl Sülfonat, SAS, ALS, 2495-39-8, 68891-38-3, 110-65-6, 110-25-8

SODIUM ALLYLSULFONATE (ALS) & RELATED ELECTROPLATING CHEMICALS

SODIUM ALLYLSULFONATE (GOLPANOL® ALS)

PRODUCT IDENTIFICATION INFORMATION

CHEMICAL STRUCTURE

    Sodium Allylsulfonate (C₃H₅NaO₃S)
    
         H
          \
           C = C — CH₂ — SO₃⁻ Na⁺
          / \
         H   H

    Sodium Prop-2-ene-1-sulfonate
    (Allyl Sulfonate Salt)

Molecular Formula: C₃H₅NaO₃S
SMILES: C=CCS(=O)(=O)[O-].[Na+]
InChI: InChI=1S/C3H5O3S.Na/c1-2-3-7(4,5)6;/h2H,1,3H2,(H,4,5,6);/q;+1/p-1
Functional Groups: Allyl group (-CH₂-CH=CH₂), Sulfonate group (-SO₃Na)

SECTION 1: CHEMICAL IDENTITY AND DEFINITION

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

SECTION 3: CHEMICAL PROPERTIES AND REACTIVITY

SECTION 4: COMPARISON OF ELECTROPLATING CHEMICALS

SECTION 5: PRODUCTION METHODS

Method 1: Reaction of Allyl Chloride with Sodium Sulfite

• Reaction: CH₂=CH-CH₂Cl + Na₂SO₃ → CH₂=CH-CH₂SO₃Na + NaCl

• Description: Allyl chloride is reacted with sodium sulfite in aqueous medium; Sodium allylsulfonate is formed; Sodium chloride is a by-product; Product is purified and concentrated

Method 2: Reaction of Allyl Alcohol with Sulfur Trioxide

• Reaction: CH₂=CH-CH₂OH + SO₃ → CH₂=CH-CH₂OSO₃H → CH₂=CH-CH₂SO₃Na

• Description: Allyl alcohol is sulfonated with sulfur trioxide or chlorosulfonic acid; Neutralized with sodium hydroxide; Sodium allylsulfonate is obtained

Method 3: Allyl Sulfonation with Sodium Bisulfite

• Reaction: CH₂=CH-CH₂OH + NaHSO₃ → CH₂=CH-CH₂SO₃Na + H₂O

• Description: Allyl alcohol is reacted with sodium bisulfite; Sodium allylsulfonate is formed; Used for specialized applications

SECTION 6: FUNCTIONAL PROPERTIES AND MECHANISM OF ACTION

SECTION 7: MAIN APPLICATION AREAS

SECTION 8: QUALITY SPECIFICATIONS (GOLPANOL® ALS)

SECTION 9: TOXICOLOGICAL PROFILE

SECTION 10: GHS CLASSIFICATION AND LABELING

GHS Classification (Compliant with CLP and UN GHS):

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

Hazard Statements (H-Codes):

SECTION 11: PRECAUTIONARY STATEMENTS (P-CODES)

SECTION 12: FIRST AID MEASURES

SECTION 13: FIREFIGHTING MEASURES

SECTION 14: STORAGE AND SHELF LIFE

SECTION 15: PACKAGING OPTIONS

SECTION 16: TRANSPORT INFORMATION

SECTION 17: REGULATORY STATUS

SECTION 18: OTHER NAMES AND SYNONYMS

SECTION 19: SUMMARY TABLE

SECTION 20: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• Causes skin irritation (H315). Avoid skin contact. Use protective gloves.

• Causes serious eye irritation (H319). Use eye protection.

• May cause respiratory irritation (H335). Avoid inhalation of mist.

• Alkaline (pH 10.5-11.5). Handle with care; avoid contact with acids.

• Stable under normal conditions. Avoid strong oxidizing agents.

• Non-flammable. Does not burn.

• Store above 10°C to prevent crystallization.

BEST PRACTICE RECOMMENDATIONS:

• Electroplating: Use as primary brightener in nickel electroplating baths; Typical concentration 0.5-2 g/L; Works synergistically with secondary brighteners (BOZ, PA); Provides brightness, leveling, and throwing power.

• Water Treatment: Use as corrosion and scale inhibitor; Effective in cooling water systems; Provides metal surface protection.

• Polymer Industry: Use as monomer for specialty polymers; Polymerizes under free radical conditions; Provides sulfonate functionality.

• Handling: Use in well-ventilated areas; Wear protective gloves, safety goggles, and appropriate respiratory protection; Avoid mist formation.

• Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles, protective clothing, NIOSH-approved respirator (if mist).

• Hygiene: Wash hands thoroughly after handling; Do not eat, drink, or smoke when using.

• Storage: Store in tightly closed containers; Protect from freezing (store above 10°C); Avoid temperatures above 30°C.

• Spill Response: Contain spill; Absorb with inert material; Place in closed containers; Do not allow to enter drains or waterways.

• Disposal: Dispose of in accordance with local, regional, and national regulations.

LEGAL DISCLAIMER:

The information provided in this document is based on our current knowledge and experience and is presented in good faith. However, as all conditions of use are beyond our control, this document does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing suitability for their own applications. For complete safety, storage, handling, transportation, waste, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.