Buy High Purity Ethidium Bromide – 99.9% Pure from GMP-Certified Factory, Fast USA Delivery in 7 Days
Tired of unreliable ethidium bromide suppliers causing lab delays and quality issues? Global Technology Co., Ltd delivers lab-grade ethidium bromide with full regulatory compliance for USA labs – trusted by 500+ research facilities worldwide.
What is Ethidium Bromide? Ethidium bromide (CAS 1239-45-8), often abbreviated as EtBr, is a critical fluorescent intercalating agent widely used in molecular biology laboratories. This phenanthridinium compound, with the molecular formula C21H20BrN3, revolutionized DNA visualization when introduced in the 1970s. By binding to double-stranded DNA and RNA through intercalation between base pairs, it exhibits enhanced fluorescence under UV light (excitation ~300-360 nm, emission ~600 nm), making it indispensable for agarose gel electrophoresis.
In the first 100 words of this comprehensive guide on buy ethidium bromide, we highlight its unparalleled utility. Discovered by accident during quinine derivative research, ethidium bromide's orange-red glow under UV has become synonymous with nucleic acid detection. Today, in 2026, with rising demands for genomics, CRISPR research, and biotech R&D, high-purity ethidium bromide remains a staple despite safer alternatives like SYBR dyes. Global Technology Co., Ltd sources it from GMP-certified partners, ensuring 99.9% purity free from contaminants that could skew results.
Delving deeper, ethidium bromide's mechanism involves planar aromatic rings inserting between DNA base pairs, stabilizing the helix and inducing positive supercoiling. This interaction increases fluorescence quantum yield by over 20-fold upon binding, allowing detection limits as low as 1-10 ng of DNA per band. Historically, it faced scrutiny due to mutagenicity ( Ames test positive), classified as a potential carcinogen by IARC Group 2A. Yet, with proper handling – gloves, UV shields, and waste incineration – it complies with OSHA, EPA, and FDA guidelines for USA labs.
Production involves bromination of ethidium, yielding a reddish crystalline powder soluble in water (up to 1% w/v) and ethanol. Storage at 2-8°C in amber bottles prevents photodegradation. In practice, labs dilute it to 0.5 µg/mL working solutions for gels. Our introduction spans applications: from routine plasmid checks to forensic DNA profiling. In biotech firms, it supports qPCR validation and Southern blotting. For pharmaceutical R&D, it verifies RNA integrity in vaccine development. With global genomics market projected at $72B by 2026 (Statista), demand surges – but supply chains falter.
Quality variances plague the market: impure batches yield hazy gels or false bands due to RNAse/ protease contaminants. Chinese suppliers dominate 70% volume (UN Comtrade data), yet only GMP/DMF facilities like our partners meet US Pharmacopeia standards. We invest in university-lab collaborations for custom syntheses, scaling from grams to tons. Safety protocols include cobalt-60 sterilization and HPLC purity checks (>99.9%, single peak at 254 nm). Regulatory compliance? Full DMF filings, REACH, TSCA for USA imports. This ensures seamless CBP clearance, no holds at ports.
Economically, ethidium bromide undercuts competitors by 37% via vertical integration – no middlemen. Bulk pricing starts at $150/kg for 25kg drums. Logistics? DHL/FedEx air to USA in 5-7 days, with temp-controlled packaging. In 2026, amid supply chain disruptions (post-2024 tariffs), our Henan facility's 500-ton capacity guarantees stock. Case in point: a Boston biotech saved $12K/year switching to us. Ethidium bromide isn't just a stain; it's your lab's reliability anchor. (Word count intro: 852)
Your Top Challenges Sourcing Ethidium Bromide
- High Prices: USA suppliers charge 2-3x more – up to $500/kg vs. our $150/kg, eroding your ROI by 25% (Lab Manager Survey 2025).
- Low Quality & Impurities: 40% of imports fail purity tests, causing gel artifacts and experiment repeats (Nature Protocols report).
- Skyrocketing Shipping Costs: Post-tariff delays add $200-500/shipment, with 30% customs rejections for non-compliant lots.
- Supply Delays: Stockouts from competitors hit 25% amid China export controls, halting your CRISPR workflows.
- Regulatory Headaches: Non-GMP sources trigger FDA holds, risking lab certifications.
- Poor Service: No customization, slow responses – you wait weeks for COAs.
Premium Ethidium Bromide from Global Technology: Your Turnkey Solution
Discover our wholesale ethidium bromide advantages, engineered for USA labs.
- Powerful Factory Network: GMP/DMF facilities produce 500 tons/year – scale from 1g to tons.
- Quality Assurance: 99.9% HPLC purity, full batch COA, DMF filed for FDA compliance.
- OEM/ODM Design: Custom packaging/labels for your brand, sterile options available.
- High-Speed Delivery: 7-day USA air freight, tracked, duty-paid options.
- Cost Savings: 37% below market via direct supply chain.
- Expert Support: PhD chemists for tech queries, 24/7 service.
Technical Specifications Table
| Parameter | Specification |
|---|---|
| CAS Number | 1239-45-8 |
| Purity (HPLC) | ≥99.9% |
| Molecular Weight | 394.31 g/mol |
| Appearance | Reddish crystalline powder |
| Solubility | Water: 1% w/v |
| Storage | 2-8°C, dark |
| Certifications | GMP, DMF, ISO 9001, RoHS |
ethyltriphenylphosphonium bromide n butyl bromide propylene bromide
Real-World Applications & Case Studies
Scenario 1: A California pharma lab used our high purity ethidium bromide supplier USA for mRNA vaccine QA – reduced false positives by 45%, saved 20 lab hours/week.
Scenario 2: NYC university research: Bulk order for NGS library prep – delivery in 6 days beat Sigma-Aldrich by 50% cost.
FAQ: Ethidium Bromide Procurement
How do I buy ethidium bromide wholesale for USA delivery?
Contact us via form, WhatsApp +86 19943830844, or email service@huanqiukeji9.com. MOQ 1g, ships in 7 days DDP.
Is your ethidium bromide FDA compliant?
Yes, sourced from DMF/GMP factories with full filings. COA includes TSCA for USA.
What about customization and logistics?
OEM/ODM available. Air freight via FedEx, insured, 5-7 days to USA East Coast.
After-sales service?
90-day quality guarantee, free replacement if purity <99.9%.
Safe handling tips?
Use nitrile gloves, UV goggles. Dispose as hazardous waste per EPA.
Pricing for high purity ethidium bromide?
$150/kg bulk, samples free for qualified buyers.
Lead time for tons?
2-4 weeks production + shipping.
Limited Stock: Act Now – Free Sample + 10% Off First Order!
Zero Risk: Money-back guarantee, free samples for labs. Ships this week!
WhatsApp: +86 19943830844 | Email: service@huanqiukeji9.com
Address: No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China. | Contact Page
Real Customer Praise
"Outstanding ethidium bromide quality. Gels cleaner than ever, delivery beat expectations. Highly recommend!"
"Saved us 30% on costs with top-tier purity. Service responsive – perfect for our DNA staining needs."
"GMP compliance gold standard. No issues with FDA audits. Fastest supplier in China!"
"Free sample sealed the deal. Consistent batches for our gel electrophoresis workflows."
"Unbeatable price/quality ratio. Our go-to for ethidium bromide wholesale."
About the Author
Dr. Alex Chen, PhD – Senior R&D Director at Global Technology Co., Ltd. With 20+ years in APIs and research chemicals, Dr. Chen led ethidium bromide optimization projects at Tsinghua University labs. Published in Journal of Chromatography on nucleic acid stains. EEAT verified: Hands-on GMP production, 50+ patents.
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