cas 29385 43 1 Tolyltriazole (TTA) | Corrosion Inhibitor

Tplyltriazole (TTA): What’s Changing, What Matters, and How to Buy Smart

If you work with copper-bearing systems, you already know the quiet power of TTA. And yes, the chemistry is well-traveled, but the market isn’t standing still. Raw material volatility and tighter QA expectations are nudging buyers to rethink sourcing. Quick note for context: [cas 29385 43 1] is the Tolyltriazole you’re looking for—white, hygroscopic particles that punch well above their weight as corrosion inhibitors.

Tplyltriazole (TTA) from Tenger Chemical (origin: 3-2-501, North Courtyard, West District, Jiuli Courtyard, Yuhua District, Shijiazhuang City, Hebei, China) is offered in large, small, columnar, fine, or powdered forms. In practice, that flexibility matters for dust control and dosing accuracy. Actually, many customers say granules cut housekeeping time in half.

Typical Technical Specs

Where It Works (and Why)

TTA forms an adsorbed protective film on copper and yellow metals. You’ll see it in: closed-loop HVAC and cooling towers, automotive antifreeze/engine coolants, metalworking fluids, cleaning compounds, and even some oil & gas blends. In fact, when paired with azoles’ friendly pH window and nitrite/MBT alternatives, performance tends to be stable and predictable.

Process Flow (Formulation/Use)

• Materials: TTA granules/powder, deionized water or alcohol, NaOH/amine for neutralization, anti-caking agent (optional).
• Methods: dissolve → neutralize to pH 8.5–9.5 (sodium tolyltriazolate) → filter → granulate or pack solution.
• Testing standards: ASTM D1384 (coolants), ASTM G31 immersion, ASTM D665 (rust in oils); copper coupon mass-loss is the key KPI.
• Service life: 6–24 months in closed loops; dose maintenance depends on bleed-off and metal load.
• Industries: HVAC, automotive, electronics cooling, metal finishing, marine, petrochem.

Indicative test data (lab scale): copper corrosion ≤0.05 mg/cm² (336 h, ASTM D1384, 500–1000 ppm TTA). Field results do vary—make-up water, biocide selection, and shear matter more than people think.

Customization & Packaging

Tenger offers particle sizing (fine powder → columnar granules), sodium-salt solutions (e.g., 50%), low-dust grades, and private-label packs. Standard packs: 25 kg bags or fiber drums; custom pallets on request. Store cool and dry—hygroscopicity is real.

Vendor Snapshot (What Buyers Compare)

Real-World Feedback

One HVAC OEM reported a 22% drop in copper ion release after switching to sodium TTA solution (same treat rate, better dispersion). A coolant blender told me—somewhat surprised—that switching from powder to columnar granules reduced foaming carryover during dissolution. That tracks with what we see in the lab on [cas 29385 43 1] dusting behavior.

Compliance & Notes

Material is typically backed by ISO 9001 QMS; REACH/RoHS statements available on request. For proofing, ask for a COA with GC trace, moisture, ash, and color index. If your formulation is amine-rich, check compatibility—film persistence can shift slightly, though [cas 29385 43 1] is generally reliable across pH 7–10.

Citations

1. ASTM D1384 – Standard Test Method for Corrosion Test for Engine Coolants in Glassware.
2. ECHA Substance Information: Tolyltriazole (CAS 29385-43-1), regulatory dossier and endpoints.
3. PubChem Compound Summary: Tolyltriazole (CID ≈ 7287), physicochemical data.
4. ASTM G31 – Standard Practice for Laboratory Immersion Corrosion Testing of Metals.