Amido Black Methanol Base Forensic Reagent Features
Pioneer Forensics Amido Black Methanol Base is a methanol-based protein forensic reagent (item PF30004) producing blue-black coloration on blood-contaminated latent fingerprints and footwear impressions on porous and nonporous surfaces. Methanol's fast evaporation shortens total processing time per evidence item compared to aqueous formulations, and its lower surface tension provides reliable wetting on smooth nonporous surfaces. Like all Amido Black formulations, PF30004 binds to proteins in blood and does not react with perspiration-only prints. Fume hood or forced ventilation is required during application.
Amber poly bottles in 1L and 500mL protect the methanol-based solution from light degradation. Consult the View / Download Safety Data Sheet (SDS) for hazard classification, ventilation requirements, PPE, storage, and disposal before use. Methanol is flammable — ignition sources must be controlled during application and drying. Instructional video guidance on Amido Black technique: View Pioneer Forensics Amido Black instructional video.
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Pioneer Forensics |
| Item # | PF30004 |
| Chemical Name | Amido Black 10B, Methanol-Based Solution |
| Form | Ready-to-use liquid solution |
| Solvent Base | Methanol |
| Sizes Available | 1L — $36.00 | 500mL — $30.00 |
| Packaging | Amber poly bottle |
| Reagent Class | Protein stain |
| Color Produced | Blue-black |
| Target Evidence | Blood-contaminated latent prints and footwear impressions |
| Mechanism | Binds to proteins in blood — does not react with perspiration-only prints |
| Surfaces | Porous and nonporous substrates |
| Ventilation | Fume hood or forced ventilation required during use |
| Safety Data Sheet | View / Download Safety Data Sheet (SDS) |
| Instructional Video | View Pioneer Forensics Amido Black instructional video |
Forensic Applications
For high-throughput processing of blood-contaminated latent print and footwear impression evidence, Amido Black Methanol Base is deployed where validated protocols specify methanol formulation, where faster evaporation reduces per-item processing time, and on nonporous surfaces where methanol's lower surface tension provides better wetting than water. Evidence types include bloody fingerprints on glass, tile, metal, plastic, paper, and fabric, and bloody footwear impressions on hard and soft substrates. Fume hood infrastructure is required.
Amido Black Methanol Base vs. Amido Black Aqueous
| Feature | Amido Black Methanol Base (PF30004) | Amido Black Aqueous (PF30008) |
|---|---|---|
| Solvent Base | Methanol — organic solvent | Water — no organic solvent |
| Fume Hood | Required for methanol vapor control | Not required for application |
| Flammability | Flammable — flash point 11°C | Non-flammable |
| Evaporation | Fast — shorter processing time | Slower — longer wet time |
| Drying | Rapid surface drying after application | Slower surface drying |
| Packaging | Amber poly — light-sensitive protection | Poly bottle |
| Evidence Suitability | Use with ventilation protocols in place | Safe for all evidence without ventilation |
| Sizes | 1L and 500mL | 1L and 500mL |
Academic and Institutional Pricing
LabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.
Frequently Asked Questions
What does the methanol base in Amido Black PF30004 provide over an aqueous formulation?
Methanol evaporates significantly faster than water, shortening total processing time per evidence item — the solution wets, stains, and dries rapidly so rinsing and documentation follow sooner. For high-throughput laboratories where minimizing hands-on time per item matters, the faster cycle time is an operational advantage. Methanol also provides good wetting across porous and nonporous surfaces. The trade-off is that methanol is a flammable solvent requiring fume hood or forced ventilation during application.
When should methanol-base Amido Black be chosen over the aqueous version?
Choose Amido Black Methanol Base when the laboratory has a fume hood or adequate forced ventilation for organic solvent handling, when established protocols specify methanol formulation, when faster evaporation and shorter processing time are operationally important, or when the evidence substrate is not sensitive to methanol contact. Choose Amido Black Aqueous (PF30008) when ventilation cannot be controlled, when evidence should not contact methanol, or when a longer wet working time is preferred.
What surfaces does Amido Black Methanol Base PF30004 enhance?
Amido Black Methanol Base enhances blood-contaminated evidence on both porous surfaces (paper, fabric, cardboard, unsealed wood) and nonporous surfaces (glass, tile, metal, plastic, sealed flooring). It does not develop perspiration-only prints where no blood is present. Methanol's lower surface tension compared to water provides better wetting on smooth nonporous surfaces, making the methanol base particularly effective where aqueous solutions may bead.
What safety precautions are required when using Amido Black Methanol Base?
Methanol is flammable (flash point 11°C) and produces toxic vapors at elevated concentrations. Fume hood or forced ventilation, chemical-resistant gloves, and eye protection are required during use. Ignition sources must be absent from the work area. Refer to the View / Download Safety Data Sheet (SDS) for complete hazard classification, exposure limits, first aid, storage, and disposal requirements before working with this product.
Pioneer Forensics Amido Black Family
Amido Black Methanol Base (PF30004) is the fast-evaporating ready-to-use option in the Pioneer Forensics Amido Black line. For environments without fume hood access, Amido Black Aqueous (PF30008) provides equivalent staining with a water base. For concentration flexibility, Amido Black 10B Powder (PF15010) supports lab-prepared solutions. All available at LabSupplies.com.