{"product_id":"pioneer-forensics-acid-yellow-7-reagent-pf30046-1l","title":"Pioneer Forensics Acid Yellow 7 Reagent PF30046, 1L — Fluorescent Bloodstain Enhancement","description":"\u003ch2\u003eAcid Yellow 7 Forensic Reagent Features\u003c\/h2\u003e\n\n\u003cp\u003ePioneer Forensics Acid Yellow 7 is a fluorescent \u003cstrong\u003eforensic reagent\u003c\/strong\u003e (item PF30046) producing bright yellow fluorescence under 415 to 485nm alternate light source excitation for the enhancement of bloodstains, bloody fingerprints, and bloody footwear impressions on porous surfaces. Where colorimetric stains struggle on dark or patterned substrates, Acid Yellow 7 fluorescence provides high contrast against any background color under ALS illumination. Yellow barrier filters isolate the fluorescent emission during examination and photography.\u003c\/p\u003e\n\n\u003cp\u003eSupplied in a 1L poly bottle by Pioneer Forensics, an FDA-registered, ISO 9001:2015 certified forensic chemistry supplier based in Golden, Colorado, Acid Yellow 7 is applied to porous evidence after appropriate decontamination or scene processing steps per the laboratory's validated protocol. Fluorescent staining persists after application, supporting photography at any point following treatment. As with all blood enhancement reagents, positive enhancement results should be followed by confirmatory serological or DNA analysis.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePioneer Forensics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eItem #\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePF30046\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eForm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eLiquid reagent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e1L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePackaging\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePoly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eReagent Class\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFluorescent dye\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eExcitation Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e415–485nm (blue-violet forensic light)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFluorescence\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBright yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eTarget Evidence\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBloodstains, fingerprints, and shoeprints in blood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eSurface Suitability\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePorous and absorbent surfaces — fabric, paper, unsealed wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eAdvantage\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eHigh contrast on dark, multicolored, and patterned backgrounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBlood Specificity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eSelective for blood-containing proteins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eManufacturer Info\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePioneer Forensics \/ Rocky Mountain Reagents, Golden CO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eForensic Applications\u003c\/h2\u003e\n\n\u003cp\u003eTo enhance blood evidence where background complexity reduces visible-color staining effectiveness, Acid Yellow 7 is applied to dark-colored clothing and textiles with blood contact staining, patterned fabric and upholstery with transfer patterns, printed paper and cardboard with blood spatter, and evidence where bloody footwear impressions require detailed tread documentation. High-contrast yellow fluorescence on any background supports blood pattern analysis and photographic documentation for court presentation.\u003c\/p\u003e\n\n\u003ch2\u003eAcid Yellow 7 vs. Acid Fuchsin — Fluorescent vs. Colorimetric\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eAcid Yellow 7\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eAcid Fuchsin (Colorimetric)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eDetection Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFluorescent — glows under ALS\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eColorimetric — visible stain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eLight Required\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e415–485nm forensic ALS\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eStandard white light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eDark Environment\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eRequired for examination\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBackground\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eHigh contrast on dark, patterned surfaces\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eHigh contrast on light backgrounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFilters\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eYellow barrier filters required\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePhotography\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eRequires ALS + barrier filter setup\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eStandard photography conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePermanence\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFluorescent staining persists\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eMagenta staining is permanent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eShoeprints\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eYes — fingerprints and shoeprints\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBlood pattern general staining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAcademic and Institutional Pricing\u003c\/h2\u003e\n\n\u003cp\u003eLabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat light source and filters does Acid Yellow 7 require for examination?\u003c\/h3\u003e\n\u003cp\u003eAcid Yellow 7 fluoresces under a forensic ALS operating in the 415 to 485nm range — the violet to blue-violet spectrum available on most multi-wavelength forensic systems. Bright yellow emission is separated from excitation light using yellow barrier filters worn as goggles or placed before the camera lens. Without the correct ALS wavelength and matching filter, the enhancement will not be visible. Confirm that the available ALS covers 415 to 485nm before deploying Acid Yellow 7 in the field or laboratory.\u003c\/p\u003e\n\u003ch3\u003eHow does Acid Yellow 7 compare to Acid Fuchsin for bloodstain enhancement?\u003c\/h3\u003e\n\u003cp\u003eBoth target blood-containing proteins on porous surfaces but operate through different mechanisms. Acid Fuchsin produces a deep magenta color change visible under white light — high contrast on light substrates but difficult to distinguish on dark or red-toned backgrounds. Acid Yellow 7 produces bright yellow fluorescence under 415 to 485nm ALS, providing high contrast on dark, multicolored, or patterned surfaces where a magenta stain would be lost in background color complexity.\u003c\/p\u003e\n\u003ch3\u003eWhat types of evidence is Acid Yellow 7 used to enhance?\u003c\/h3\u003e\n\u003cp\u003eAcid Yellow 7 is applied to bloodstains, bloody fingerprints, and bloody footwear impressions on porous and absorbent surfaces including woven textiles, paper documents, cardboard, and unsealed wood. It is particularly valuable on dark clothing, patterned fabric, printed paper, and multicolored textiles where background complexity reduces colorimetric stain contrast. On nonporous surfaces such as glass or sealed flooring, where protein absorption is minimal, fluorescent intensity may be reduced.\u003c\/p\u003e\n\u003ch3\u003eCan Acid Yellow 7 enhance both fingerprints and footwear impressions in blood?\u003c\/h3\u003e\n\u003cp\u003eYes. Acid Yellow 7 enhances any blood-protein-containing pattern absorbed into a porous or semi-porous surface — bloody fingerprints and footwear impressions alike. For shoeprint documentation, fluorescent enhancement under ALS often reveals more complete impression detail than visible-light staining, particularly on dark-colored rugs and textile surfaces where tread direction and edge definition are critical for analysis.\u003c\/p\u003e\n\n\u003ch2\u003ePioneer Forensics Bloodstain Enhancement Reagent Family\u003c\/h2\u003e\n\n\u003cp\u003eAcid Yellow 7 complements Acid Fuchsin (PF30110) in the Pioneer Forensics bloodstain enhancement catalog — Acid Fuchsin for visible-color enhancement on light backgrounds under white light, Acid Yellow 7 for fluorescent enhancement on dark or complex backgrounds under ALS. For blood-contaminated latent fingerprint and footwear impression enhancement on both porous and nonporous surfaces, the Pioneer Forensics Amido Black series provides blue-black protein staining: PF30008 aqueous, PF30004 methanol-base, and PF15010 powder. All available at LabSupplies.com.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Pioneer Forensics Acid Yellow 7 Reagent PF30046, 1L, 415-485nm\",\n  \"description\": \"Pioneer Forensics Acid Yellow 7 fluorescent reagent for bloodstain, fingerprint, and shoeprint enhancement. 415-485nm excitation, bright yellow fluorescence. 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Bright yellow emission is separated from excitation light using yellow barrier filters worn as goggles or placed before the camera lens. Without the correct ALS wavelength and matching filter, the enhancement will not be visible. Confirm that the available ALS covers 415 to 485nm before deploying Acid Yellow 7 in the field or laboratory.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does Acid Yellow 7 compare to Acid Fuchsin for bloodstain enhancement?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both target blood-containing proteins on porous surfaces but operate through different mechanisms. Acid Fuchsin produces a deep magenta color change visible under white light \\u2014 high contrast on light substrates but difficult to distinguish on dark or red-toned backgrounds. 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