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CAS 25103-58-6 Tert-Dodecyl Mercaptan
Overview
Tert-Dodecyl Mercaptan (also tertiary dodecanethiol; TDDM/t-DM) is a branched C12 thiol widely used as a high-efficiency chain-transfer agent (polymerization regulator) in free-radical systems such as SBR/ESBR/NBR latex, ABS/SAN, PMMA, styrenics, and acrylic emulsions/coatings
Product Description
CAS 25103-58-6 Tert-Dodecyl Mercaptan
Shandong Yinglang Chemical CO., LTD provides industrial-grade TDDM with controlled assay, low disulfide/odorants, and custom inhibitor (if required), offering OEM packaging (drums/IBCs) and technical support for polymerization recipes. Handle with adequate ventilation; combustible/odorous, avoid oxidants and sources of ignition, and store tightly closed in a cool, dry, well-ventilated place per SDS. COA/TDS/SDS available; industrial/R&D use only.
Tert-Dodecyl Mercaptan (TDDM) — Product Specification
Chemical name: Tert-dodecanethiol (TDDM) | Function: Chain-transfer agent / polymerization regulator
Identity & Form
| Appearance | Clear, low-color liquid with strong mercaptan odor |
|---|---|
| Solubility | Insoluble in water; soluble in hydrocarbons/aromatics and common organic solvents |
| Applications | Chain-transfer in SBR/ESBR/NBR latex, ABS/SAN, PMMA, styrenics, acrylics |
| Documents | COA · TDS · SDS |
Typical Specification (example)
| Assay (GC, TDDM) | ≥ 98.0% (area %) |
|---|---|
| Di-tert-dodecyl disulfide (GC) | ≤ 0.50% (w/w) |
| Water (Karl Fischer) | ≤ 0.10% (w/w) |
| Acid value | ≤ 0.10 mg KOH/g |
| Color (APHA) | ≤ 30 |
| Non-volatile residue | ≤ 0.02% (w/w) |
| Boiling range | Report on COA (grade-dependent) |
| Density @20 °C | Report per lot (typical ~0.84–0.86 g/mL) |
| Refractive index @20 °C | Report per lot |
| Odor threshold | Very low; handle with ventilation/odor control |
Handling & Safety
| Hazards | Combustible; strong odor; irritating vapors; may form oxidized by-products |
|---|---|
| Storage | Tightly closed in a cool, dry, well-ventilated place; keep away from heat/oxidizers |
| Compatibility | Avoid oxidizing agents; use odor-tight materials and closed transfer systems |
| Use guidance | Typical dosage 0.01–1.0 phr (recipe-dependent); verify by lab trials |
Packaging & Logistics
| Small packs | 5–20 L metal/plastic containers (odor-tight liners) |
|---|---|
| Bulk packs | 200 L drums / 1,000 L IBCs; larger on request |
| OEM options | Custom specs, inhibitor option, private label |
| Ports | Qingdao · Shanghai · Tianjin |
| For quotation (specify) | Assay target, disulfide limit, pack size, monthly volume, destination port/country |
© Shandong Yinglang Chemical CO.,LTD · Information for B2B technical marketing only.
PACKING AND DELIVERY
Packing and delivery
We offer secure and compliant packaging for a wide range of chemical products, from laboratory bottles (100 mL, 250 mL, 500 mL) to customized bulk containers. All shipments follow international hazardous goods standards and include complete documentation such as COA and SDS. With reliable global logistics partners, we ensure safe, fast, and efficient delivery by air, sea, or land according to customer needs.