Description
Alcohol Prep Pads at a glance
Alcohol prep pads are small pre-moistened pads used in labs to wipe small surfaces, such as rubber vial stoppers, before access. Ellepeptides sells them in packs of 200. The alcohol type and strength, pad size, wrapping and sterility come from the package, not from this page.
- Item: alcohol-moistened pads
- Pack: 200 pads
- Listed price: from $5.50 USD
- Contents: pads only; no peptide or water included
- Shipping: ships within the United States; free shipping on merchandise subtotals over $200
- Scope: for laboratory research only
Alcohol Prep Pads pack size and price per pad
| Pack size | Listed price (USD) | Price per pad |
|---|---|---|
| 200 pads | $5.50 sale (regular $6.50) | $0.028 sale; $0.033 regular |
Prices are listed in USD at the time of writing; sale prices can end, and the price beside Add to cart is current. Bulk or combination savings via cart or coupon are not promised.
Alcohol Prep Pads product facts
| Product | Alcohol prep pads |
|---|---|
| Pack count | 200 pads |
| Category | Laboratory supplies |
| Reference chemical | Isopropyl alcohol (propan-2-ol), C3H8O, CAS 67-63-0, 60.10 g/mol |
| Alcohol type and strength in this pack | Printed on the package; not verified on this page |
| Pad size, individual wrapping, sterility | Per the package; not claimed by Ellepeptides |
| Lot and expiry | Printed on the package |
| Dispatch | Within the United States |
The isopropyl alcohol row comes from the NIST Chemistry WebBook and describes the reference chemical, not this pack. If you need a specific alcohol, strength or sterile pad, email [email protected] for the current label before ordering.
How Alcohol Prep Pads disinfect
According to CDC’s disinfection guideline, alcohol most likely kills microbes by denaturing proteins, and that happens faster when water is present. The optimum bactericidal range is 60–90% alcohol in water. Alcohols do not destroy bacterial spores, so they are not a sterilizing method; they also evaporate quickly and are flammable. The guideline notes that alcohol towelettes have long been used on rubber vial stoppers.
Key Alcohol Prep Pads references
| Year | Source | What it covers | Key point | Link |
|---|---|---|---|---|
| 2023 | CDC disinfection guideline | Alcohol concentration | 60–90% in water is optimal; water–alcohol mixtures outperform absolute alcohol | CDC |
| 2020 | Public Health Ontario | Vial diaphragms | Scrub with friction and 70% alcohol; allow to dry before access | PHO |
| 2019 | Hospira (Pfizer) water label | Container entry | Aseptic technique for every entry; use only if clear and seal intact | Label |
| Current | NIST Chemistry WebBook | Chemical identity | Isopropyl alcohol: C3H8O, CAS 67-63-0 | NIST |
Technique matters as much as the pad: friction, a moist pad and full drying time all come from these sources.
How Alcohol Prep Pads are used in research labs
A typical use is preparing the stopper of a container of bacteriostatic water or a freeze-dried research vial: open a fresh pad, scrub the stopper with friction, let it air-dry and then access the vial. Use one pad per surface, keep packets sealed until use, and check the package for sterility if your procedure requires it.
Alcohol Prep Pads vs bulk alcohol and 99% isopropyl
| Option | What it is | Notes from references | On Ellepeptides |
|---|---|---|---|
| Alcohol prep pads | Pre-moistened single pads | Portable, one surface per pad; strength on the package | 200 pack |
| 70% isopropyl alcohol, bottled | Liquid within CDC’s 60–90% range | Needs a separate wipe or gauze | Not listed |
| 99% isopropyl alcohol | Near-absolute alcohol | CDC: water–alcohol mixtures are more bactericidal than absolute alcohol | Not listed |
| Bacteriostatic water 30 mL | Solvent, not a disinfectant | Companion supply for dissolving freeze-dried materials | 30 mL |
Higher strength is not better: alcohol without water denatures proteins more slowly. Browse the lab supplies category for related items.
Alcohol Prep Pads handling, storage and reconstitution math
Store the pack as its label directs, away from heat and flame; CDC advises keeping alcohols in a cool, well-ventilated area. Check the expiry date on the package. Pads do not change any concentration. When you dissolve a vial, concentration is vial mass ÷ solvent volume (10 mg in 2.0 mL is 5 mg/mL), and the peptide calculator checks the arithmetic.
Ordering Alcohol Prep Pads in the US
Orders ship to addresses within the United States, with prices in USD. Shipping is free when your merchandise subtotal exceeds $200 after coupon discounts (before taxes and shipping). Otherwise, standard shipping is $15.99 per order. The available payment methods and delivery options are shown at checkout; see our shipping policy for current terms.
Alcohol Prep Pads FAQ
What are alcohol prep pads?
Alcohol prep pads are small pads pre-moistened with alcohol, usually sold in individual packets. Laboratories use them to wipe small surfaces such as rubber vial stoppers before access. Ellepeptides sells them in packs of 200; the alcohol type, strength and pad size are printed on the package.
How many alcohol prep pads are in a pack, and what do they cost?
Each pack contains 200 pads. Ellepeptides lists the pack at $5.50 USD at the time of writing, which is about $0.028 per pad. The quantity you select counts packs, not individual pads.
Is 70% or 99% isopropyl alcohol better for disinfecting?
For disinfection, about 70% generally works better. CDC’s guideline gives an optimum bactericidal range of 60–90% alcohol in water, because proteins denature more quickly when water is present, and it notes that absolute alcohol is less bactericidal than water–alcohol mixtures. Check your package for the actual strength.
Are these alcohol prep pads sterile?
Sterility has not been confirmed on this page for the pads supplied. Some prep pads are labeled sterile and others are not, so read the package. If you need sterile, individually wrapped pads, email [email protected] for the current label before ordering.
What is the difference between alcohol prep pads and alcohol wipes?
The names overlap. “Prep pad” usually means a small single-use pad in its own packet, while “wipe” can mean the same product or a larger cleaning cloth. What matters is on the label: alcohol type, strength, size, wrapping and sterility. Compare those details, not the name.
How are alcohol pads used on vial stoppers?
Public Health Ontario’s guidance is to scrub the vial diaphragm with friction using 70% alcohol and to let it dry before access. In practice, that means a fresh pad for each stopper, firm wiping and full drying time before the stopper is pierced.
Do alcohol prep pads expire?
Yes. Check the expiry date and lot printed on the package, and use pads before that date. Alcohol evaporates quickly, so a damaged or open packet may have dried out. Keep the pack sealed, store it as the label directs and discard any pad that is no longer moist.
Do alcohol prep pads kill spores?
No. CDC’s guideline states that alcohols do not destroy bacterial spores, which is why alcohol is not used to sterilize equipment. Used with friction and adequate drying time, alcohol pads are a disinfection step for small surfaces, not a sterilization method.
Are alcohol prep pads flammable?
Yes. Alcohols are flammable, and CDC advises storing them in a cool, well-ventilated area. Keep pads away from open flames, burners and other ignition sources, and let a wiped surface dry fully before working near heat. Follow the package warnings.
Where can I buy alcohol prep pads in the US?
You can order the 200-pack on this page. Ellepeptides ships to addresses within the United States and charges in USD, and the pads can be combined with bacteriostatic water or research vials in one order. See the shipping policy for current rates and the free-shipping threshold.
Alcohol Prep Pads references
- CDC. 2023 (last reviewed). Guideline for disinfection and sterilization: chemical disinfectants. cdc.gov
- Public Health Ontario. 2020. Updated guidance on the use of multi-use vials. publichealthontario.ca
- Hospira, Inc. (Pfizer). 2019. Bacteriostatic Water, USP: product label. labeling.pfizer.com
- NIST Chemistry WebBook. Isopropyl alcohol, CAS 67-63-0. webbook.nist.gov
Related research materials: Lab Supplies, Bacteriostatic Water 30 mL, Research Peptides, BPC-157, GHK-Cu and the peptide calculator. Browse the shop or read our research page. For laboratory research only. Not for human or veterinary use.
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