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AMPS-Na CAS 5165-97-9

AMPS-Na(solution)

Chemical Name: Sodium 2-Acrylamido-2-methylpropane Sulfonate
Alias Name: ATBS-Na, NaAMPS

CAS No.: 5165-97-9

EINECS No.: 225-948-4

Molecular Formula: C₇H₁₂NNaO₄S

Concentration: 50 wt% aqueous solution

Appearance: Colorless to pale yellow transparent liquid

Package: 200kg HDPE drum / 1000kg IBC drum,Customizable packaging

Product Overview

AMPS-Na, short for Sodium 2-Acrylamido-2-methylpropane Sulfonate, CAS No.: 5165-97-9, EINECS No.: 225-948-4.
AMPS-Na is a water-soluble reactive anionic sulfonate monomer. With excellent salt tolerance, thermal stability and hydrolytic resistance, it is widely used for synthesizing functional copolymers, emulsion polymerization stabilizers, oilfield additives, water treatment scale dispersants, textile auxiliaries, waterborne coatings and daily chemical raw materials. We supply 50% aqueous solution AMPS-Na with stable specification and customizable packaging.

Physical Specs

AMPS-Na
ExteriorWhite solid powderTransparent liquid
Chroma(25℃)≤15≤15
Solid content %≥9950±150±1
Density(g/cm3,25℃)>1.19>1.175
Viscosity(mpa.s,25℃)<14<14
PH(25℃)8-108-10
Refractive index(25℃)>1.4175>1.4175
Iron content ppm≤5≤5≤5
Monomer purity,%≥99.2≥49.5≥49.5
Polymerization inhibitor65-100

Key Properties & Advantages

■ Outstanding salt resistance and thermal stability, suitable for high TDS working conditions
■ Excellent hydrolytic stability across neutral and weak alkaline ranges
■ Reactive anionic functional group; works as copolymer monomer and reactive emulsifier
■ Improves emulsion stability, anti-flocculation performance in latex polymerization
■Enhances dispersion, anti-scale and adsorption capacity of water treatment polymers

Main Applications

Emulsion Polymerization (Core Application): Reactive emulsifier & functional monomer for acrylic emulsion, styrene-acrylic latex, vinyl acetate emulsion. Improve emulsion mechanical stability, electrolyte resistance and freeze-thaw stability.
Oilfield Chemicals:  Synthesize temperature & salt resistant polymers for drilling fluids, fracturing fluid additives, friction reducers and EOR polymer flooding.
Industrial Water Treatment: Manufacture scale inhibitors, dispersants and flocculants for circulating cooling water and wastewater treatment to inhibit inorganic scale and disperse sludge.
Coatings & Adhesives: Waterborne latex coatings, pressure-sensitive adhesives; boost dispersion stability, adhesion and water resistance.
Textile & Papermaking Auxiliaries: Fiber modification agents, dyeing auxiliaries, retention aids for paper making.
Personal Care & Daily Chemicals:Thickeners, conditioning agents and hydrogel raw materials in cosmetic formulations.

Packaging & Storage

Package: Package: 200kg HDPE drum / 1000kg IBC drum

Customizable packaging
Store in cool, shaded and ventilated warehouse; avoid direct sunlight and high temperature. Keep sealed to prevent monomer polymerization.

Supply Service

We supply bulk industrial grade AMPS-Na monomer with stable quality, flexible MOQ and technical support. Complete documents including COA, MSDS, TDS are available. Contact us for latest price and free sample.

Frequently Asked Questions(FAQ)

1. Q: What would you do to guarantee the product quality?

To fully guarantee stable and reliable product quality, we implement full-process control covering Quality, Health, Safety and Environment (QHSE) with systematic measures,conduct multi-stage product testing with full batch traceability, adopt strict health & environmental control to avoid product contamination, carry out regular QHSE audits and continuous system optimization, plus standardized storage and logistics management. Every link follows unified QHSE rules to eliminate quality risks fundamentally.

Yes, we can provide complete COA, MSDS /TDS documents for your reference prior to placing orders. Please advise the exact product grade and quantity you intend to purchase, and we will send you the latest updated versions of these technical documents promptly by email. All files are issued in accordance with international QHSE standards,for your customs clearance, laboratory testing and internal risk assessment.

We offer flexible and favorable prices for bulk orders. To provide an accurate best quotation,
kindly advise: (1)Required product grade (2)Order quantity (3)Preferred trade term (FOB / CIF) (4)Destination port
Meanwhile, we can supply complete TDS, SDS and COA for your reference before order confirmation. We believe this is an effective way to build long – term business with our customers and earn good reputation.

We support multiple flexible payment terms to meet different cooperation demands:
(1)T/T (Telegraphic Transfer): 30% deposit in advance, 70% balance against copy of Bill of Lading; full T/T in advance for small trial orders.
(2)Irrevocable Letter of Credit at sight (L/C at sight): Acceptable for large bulk orders, issued by reputable international banks.
(3)Negotiable payment terms can be discussed for long-term cooperative clients with stable monthly orders.

Our standard production lead time is 10–15 working days .

(1)For T/T payment: 30% deposit by T/T in advance, balance against scanned BL copy. After your deposit arrives, we will schedule raw material procurement and production immediately within the 10–15 day cycle. This mode safeguards mutual capital safety: the deposit locks exclusive production capacity for you, while you only settle the rest after seeing loading evidence.

(2)For L/C payment: We accept irrevocable sight L/C issued by first-class international banks. The 10–15 working days lead time will start running after we receive and verify the operative L/C text without unachievable clauses. A formal L/C serves as bank credit guarantee for both parties, eliminating default risks effectively. We will review L/C terms thoroughly before production to avoid discrepancies and potential financial losses for both sides.

We support shipment from Qingdao Port and Tianjin Port of China; you can choose the loading port as per your actual demand.

Yes, we fully support third-party inspection during container loading. You can appoint your designated inspection agency to attend the whole loading process at our warehouse. Our QHSE team will coordinate all preparation work in advance, including raw batch COA checking, product appearance verification, weight tally, packing integrity supervision and sealing recording.

Yes, we support OEM & private label packaging service for our products. You can provide your customized brand logo, label design, bag/barrel printing artwork and customized packaging specifications. Our production team will arrange tailored packaging according to your design files. For OEM orders, there is a minimum order quantity requirement. You just need to send us complete label drafts in advance, and we will confirm the sample packaging with you formally before mass production. All packaging procedures follow our QHSE management standards to guarantee packaging tightness, safety and neat appearance. We can also attach your exclusive brand information on COA, TDS and SDS documents upon your request.

We are an integrated chemical enterprise combining manufacturing and international trading. Our company holds equity shares in two professional chemical manufacturing plants, which enables us stable, direct supply of core products with full production control under unified QHSE standards. Apart from our self-produced items from affiliated factories, we also cooperate with qualified certified manufacturers to supply a comprehensive range of chemical raw materials to meet clients’ one-stop purchasing demands.

Every opinion matters to us, looking forward to your sincere feedback for improvement, as well as any chances to cooperate with you.