Rapid Penetrant T (Fast T-50), with the chemical name dioctyl sodium sulfosuccinate, is an anionic surfactant. According to the GHS classification criteria, the signal word for this product is "Warning" (not "Danger"), and its overall hazard level is moderately low. It is not classified as an acutely toxic substance, nor does it have carcinogenic, mutagenic, or reproductive toxicity classifications; its main hazards are concentrated in local irritation.
In terms of human health, this product is classified as Skin corrosion/irritation Category 2 and Serious eye damage/eye irritation Category 2A. This means that direct contact may cause skin redness, itching, and other irritation reactions, while splashing into the eyes may cause significant pain, tearing, and conjunctival congestion. It is worth emphasizing that these irritation effects are usually reversible, and under normal industrial use concentrations (such as after dilution), the irritation is significantly reduced. The product is not classified as a respiratory sensitizer or inhalation toxicant, but inhalation of vapors or mists should still be avoided during operation.
Regarding environmental impact, Rapid Penetrant T is classified as Harmful to aquatic organisms (Acute Category 3), with the hazard statement H402. This means that if the product enters natural water bodies, it may cause harmful effects on fish, aquatic invertebrates, and algae. However, as an organic compound, it has a certain degree of biodegradability in the environment and is not a persistent organic pollutant. During production and use, strict closed systems and waste liquid recovery devices must be established, and untreated waste liquid is strictly prohibited from being discharged directly into public water bodies.
| Parameter | Content |
|---|---|
| Product Name | Rapid Penetrant T / Fast T-50 |
| Chemical Name | Dioctyl sodium sulfosuccinate |
| CAS No. | 577-11-7 |
| Ion Type | Anionic surfactant |
| GHS Signal Word | Warning |
| Pictogram | GHS07 (Exclamation mark) |
| Skin corrosion/irritation | Category 2 — H315: Causes skin irritation |
| Serious eye damage/eye irritation | Category 2A — H319: Causes serious eye irritation |
| Aquatic hazard | Acute Category 3 — H402: Harmful to aquatic life |
| Acute oral toxicity | Not available (Not classified as an acutely toxic substance) |
| Carcinogenicity/Mutagenicity | Not classified |
In practical applications, Rapid Penetrant T is usually used in the form of diluted working solutions, which greatly reduces its irritation risk. In the following application scenarios, as long as standardized operations are followed, the actual risks to human health and the environment are controllable: