Hanson Chemicals

AMPS (2-Acrylamido-2-methylpropane sulfonic acid)

Formula: C₇H₁₃NO₄S
EC Number (EINECS): 258-321-1
HS Code: 29241900
UN Number: Not classified as dangerous goods
IUPAC Name: 2-Methyl-2-propanesulfonic acid, 2-propenamide
Also Known As: Acrylamido methylpropane sulfonic acid; ATBS; AMPS monomer
Molecular Weight, g/mol: 207.25

Typical Specifications

Appearance: White crystalline powder / flakes
Odor: Odorless
Melting Point, °C: 185–190 (decomposes)
Boiling Point, °C: Not applicable (decomposes before boiling)
Density, g/cm³ (at 20°C): ~1.25
Flash Point, °C: Not applicable
Purity, %: ≥99
Grades Available: Industrial, Technical, Sodium Salt Grade
Packaging: 25kg bags, 500kg/1000kg jumbo bags

Applications / Uses

Primary Applications

  • Monomer for high-performance water-soluble polymers

  • Used in production of dispersants, flocculants, and scale inhibitors

  • Additive in oilfield chemicals (drilling fluids, enhanced oil recovery)

  • Ingredient in superabsorbent polymers and ion-exchange resins

Secondary Applications

  • Textile auxiliaries (improving dye-fixing and colorfastness)

  • Adhesives, coatings, and paper strengthening agents

  • Personal care and cosmetic formulations for improved film-forming

End Industries Served: Oil & Gas, Water Treatment, Textiles, Paper, Adhesives, Coatings, Personal Care, Superabsorbents

Safety & Handling Information

Hazard Class (GHS): Eye Irritant (Category 2), Skin Irritant (Category 2)

Hazard Statements (H-Codes):

  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation (dust)

Precautionary Statements (P-Codes):

  • P280: Wear protective gloves/eye protection

  • P261: Avoid breathing dust

  • P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present

Storage Conditions

  • Store in cool, dry, ventilated place

  • Protect from moisture (hygroscopic)

  • Keep container tightly sealed

Transport Information

  • ADR/RID: Not classified as dangerous goods

  • IMDG: Not classified as dangerous goods

  • IATA: Not classified as dangerous goods

Regulatory Information

  • REACH Status (EU): Registered

  • FDA Approval: Not approved for direct food use

  • ISO Certification: Available on request (ISO 9001 for manufacturing grade)

  • Country Standards: Meets technical specifications for industrial grades

Additional Information

  • Shelf Life: 1 year (stored in original, sealed packaging)

  • Country of Origin: [To be filled – e.g., India, China, EU]

  • Typical Packaging Sizes: 25kg bags, 500kg/1000kg jumbo bags

  • Storage Temperature: Ambient, away from humidity and direct sunlight

  • Stability: Hygroscopic; absorbs moisture quickly; stable if stored dry

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