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Moneide Chemicals
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2 Mercaptothiazoline | High-Purity CAS 96-53-7, Bulk Supply
- Time of issue:Oct . 28, 2025 17:30
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
- Categories:Company dynamic
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- Time of issue:2019-12-30 10:55
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I’ve walked a few plants in Hebei over the years, and, to be honest, you can usually tell within five minutes whether a supplier takes quality seriously. The Tangshan operation at 2-7-523 Jidong Building Materials, Hebei 064000, China falls into the “buttoned-up” camp. That’s where a lot of buyers source 2 Mercaptothiazoline—also called 2‑Thiazoline‑2‑thiol—for water treatment blends, metalworking fluids, and copper corrosion control. It’s not flashy, but it’s a small workhorse in several industrial formulations. Market chatter suggests steady demand driven by closed-loop cooling systems and electronics metal-finishing. In fact, several formulators told me they’ve nudged dosage of 2 Mercaptothiazoline upward in mixed-amine inhibitor packages to keep copper rates low as water chemistries get tougher (recycled water, higher chlorides). Sustainability is the new brief: fewer heavy-metal additives, tighter VOCs, cleaner SDS. This molecule slots in neatly. Materials: pharma/tech-grade precursors; Methods: controlled cyclization and purification (typically multi-stage recrystallization) to stabilize thiol content. Every batch of 2 Mercaptothiazoline is then: Packaging: 1 kg bottles, 25 kg fiber drums with liners; lot traceability and COA supplied. Service life: most users report stable performance across two winters in closed-loop systems—yes, we asked. 2 Mercaptothiazoline functions as a copper corrosion inhibitor or synergist in: Advantages mentioned by buyers: reliable copper coupon performance, good compatibility with benzotriazole/azole systems, and low dosage (often 30–150 ppm in final water). One facilities engineer told me, “We shaved coupon loss to almost noise levels after adding it.” In a chilled-water loop simulation (ASTM D1384 glassware, 330 h): baseline corrosion rate cut by ≈70% on copper coupons when a standard azole package was fortified with 2 Mercaptothiazoline at 100 ppm. Lab COA snapshot: HPLC assay 99.6%; KF moisture 0.12%; residue on ignition 0.04%—comfortably within spec. Options include: tailored particle size (free-flowing grades), low-odor handling aids, stabilizer tweaks for high-chloride waters, and packaging from 1 kg to 500 kg. SDS in EN/DE/ES/ZH available. Many customers say technical support is responsive—sample turnaround ≈5–7 days. A European data center switched to a blended inhibitor with 2 Mercaptothiazoline at 60–80 ppm. After two quarters, copper coupon loss dropped from 0.23 to 0.07 mg/cm² (lab glassware test), and field-side visual inspection showed cleaner pump housings. Not earth-shattering, but enough to extend service intervals and keep finance happy. Safety note: follow GHS labeling; avoid dust inhalation; keep containers tightly closed. Real-world results depend on water chemistry, pH, biocide program, and metallurgy.A field look at 2 Mercaptothiazoline (CAS 96-53-7) — specs, use cases, and vendor realities
Industry snapshot
Technical specifications (typical)
Product 2‑Mercaptothiazoline (2‑MT); Synonyms: 2‑Thiazoline‑2‑thiol CAS No. 96-53-7 Molecular formula / Weight C3H5NS2 / ≈119.2 g·mol⁻¹ Appearance White to faint yellow crystalline powder (real-world lots may vary slightly) Purity (HPLC) ≥99.0% (typical 99.5%+) Melting point ≈74–78 °C Solubility Moderate in water; good in polar solvents Shelf life ≈24 months sealed, 5–30 °C, dry Compliance ISO 9001-managed QC; SDS per GHS; RoHS-friendly Process flow and QA
- Moisture by Karl Fischer (ASTM E203)
- Residual solvents to ICH Q3C (GC)
- Heavy metals by ICP-MS (USP / or ISO 11885)
- Stability checks under ICH Q1A-like conditions
Where it’s used (and why)
- Metalworking fluids and cutting oils (soft-metal protection)
- Electronics/PCB rinse stages (low copper loss)
- Lubricant additive packages and polymerization adjuncts (niche, but growing)
Real-world test data (illustrative)
Vendor comparison (quick read)
Vendor
Strengths
Watch-outs
Moneide Chemical (Tangshan, Hebei)
Consistent purity, ISO 9001 quality loop, REACH-friendly paperwork, prompt COAs
Lead time can stretch during Q4 export peak
Regional Distributor (APAC)
Fast delivery, small-pack flexibility
Specs vary by lot; documentation sometimes sparse
Global Trader
Competitive pricing on volume
Longer transit; QA depends on source mill—ask for third-party tests
Customization and support
Mini case study
Authoritative citations
Moneide Chemicals
