DMSO (Dimethyl Sulfoxide), ≥99.9% | ACS, USP & NF Grade
DMSO (Dimethyl Sulfoxide), ≥99.9% | ACS, USP & NF Grade
- Purity ≥ 99.9%
- COA and SDS Available
- Lot Conformity
ufcbio
Cat no. / D67685-4OZ
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Certificate of Analysis (COA) Available
Safety Data Sheet (SDS) Available
UFC BIO DMSO (dimethyl sulfoxide), CAS 67-68-5, is a high-purity ACS, USP, NF grade polar aprotic solvent with an assay specification of ≥ 99.9% by GC on a dried basis.
The material is controlled for identity, assay, water content, specific gravity, refractive index, boiling range, freezing point, nonvolatile matter, acidity, UV absorbance, related impurities, and total impurities.
Researchers use DMSO to dissolve compounds that won't go into water or common organic solvents, which makes it a standard choice for preparing stock solutions for screening and assays. It's also used as a reaction solvent in organic synthesis and as a vehicle in formulation studies.
Supplied as a clear, colorless liquid with a lot-specific Certificate of Analysis (COA) documenting applicable specifications and actual lot results.
Safety Data Sheet (SDS) and Certificate of Analysis (COA) available.
Product Information
| Chemical Name | Dimethyl sulfoxide |
| CAS Number | 67-68-5 |
| Formula | (CH₃)₂SO |
| Molecular Weight | 78.13 g/mol |
| Grade | ACS, USP, NF |
| Assay | ≥ 99.9% (dried basis) |
| Appearance | Clear, colorless liquid |
| Boiling Range | 189–192 °C |
| Freezing Point | 19 °C (66.2 °F) |
| Package Sizes | 4 oz, 16 oz |
| Storage | 19–30 °C |
| Shelf Life | 2 years from manufacture |
| Country of Origin | India |
Intended Use
- For R&D and further manufacturing.
- ACS, USP, and NF grade designations describe applicable chemical quality specifications and should not be interpreted as approval for a particular therapeutic, diagnostic, or clinical use.
- Always review the Safety Data Sheet (SDS) before handling.
Key Features
- ≥ 99.9% assay by GC on dried basis
- ACS, USP, NF grade
- Water ≤ 0.10% (Karl Fischer)
- Nonvolatile matter ≤ 0.01%
- Acidity ≤ 0.005% as CH₃COOH
- Total impurities ≤ 0.15%
- Controlled UV absorbance
- Non-animal, non-human origin
Common Applications
- Laboratory reagent preparation
- Solubilization of poorly water-soluble compounds
- Organic synthesis
- Analytical chemistry
- Pharmaceutical research
- Formulation development
- Molecular biology research
- Chemical process development
- Further manufacturing
- General laboratory solvent applications
Need DMSO specifically processed for cell culture? See DMSO, Cell Culture Grade for applications requiring separately specified biological-use material.
Quality Documentation
Each production lot is supported by a Certificate of Analysis (COA) containing applicable product specifications and actual lot-specific analytical results. Enter the Lot/Batch Number printed on the product label in the COA search on the Documents tab to retrieve your certificate. The Safety Data Sheet (SDS) is available on the same tab.
Learn more about UFC BIO Quality.
Storage and Handling
Store at 19–30 °C. Keep the container tightly closed when not in use. DMSO is hygroscopic and can absorb moisture from the surrounding air; proper closure helps minimize changes in water content during storage and use.
DMSO has a freezing point of 19 °C (66.2 °F), so it may crystallize or solidify during cool storage or transport. This is a normal physical property of DMSO and does not by itself indicate degradation. If it crystallizes, let the closed container return gradually to room temperature before use.
Frequently Asked Questions
What is DMSO?
DMSO, or dimethyl sulfoxide, is a highly polar aprotic organic solvent widely used in chemical, analytical, biological, and laboratory research applications.
What is the CAS number for DMSO?
The CAS number for dimethyl sulfoxide is 67-68-5.
What is the purity of UFC BIO DMSO?
This product has an assay specification of ≥ 99.9% DMSO by GC on a dried basis.
What grade is this DMSO?
This product is designated ACS, USP, NF grade.
What are the water, nonvolatile matter, and acidity specifications?
Water is controlled at ≤ 0.10% by Karl Fischer testing, nonvolatile matter at ≤ 0.01%, and acidity at ≤ 0.005% expressed as acetic acid (CH₃COOH).
What is the total impurity specification?
Total impurities are specified at ≤ 0.15%. Dimethyl sulfone and dibenzyl sulfone are also controlled, with a combined specification of ≤ 0.10% by GC.
Is UV absorbance tested?
Yes. UV absorbance is controlled at 275 nm, 285 nm, and 295 nm, and the specification includes absorbance-ratio limits after a 15-minute nitrogen purge.
Is a Certificate of Analysis available?
Yes. Each production lot has a lot-specific COA with the applicable specifications and actual analytical results. Enter the Lot/Batch Number printed on the container in the COA search on the Documents tab.
Is an SDS available?
Yes. The Safety Data Sheet (SDS) is available on the Documents tab.
Why did my DMSO crystallize or solidify?
DMSO has a freezing point of 19 °C (66.2 °F), so it can crystallize or solidify in cool weather, storage, or transport. This is a normal physical characteristic of DMSO and does not by itself indicate deterioration.
Is DMSO hygroscopic?
Yes. DMSO can absorb moisture from the surrounding air. Keep the container tightly closed when not in use.
Is DMSO soluble in water?
Yes. The product specification identifies the material as soluble in water and ethanol (96%).
How is this different from UFC BIO Cell Culture Grade DMSO?
This product is ACS, USP, NF grade DMSO intended for R&D and further manufacturing. UFC BIO also offers a separately specified DMSO, Cell Culture Grade for biological research applications requiring cell-culture-specific processing and specifications.
What is the country of origin?
The source material is a product of India.
Is this material of animal origin?
No. The product documentation states that the material is of non-animal and non-human origin.
How should DMSO be stored?
Store at 19–30 °C in a tightly closed container. Because DMSO is hygroscopic, minimize unnecessary exposure to air.
Learn more about DMSO properties, crystallization, storage, and laboratory applications in What Is DMSO (Dimethyl Sulfoxide)?
Explore more UFC BIO Laboratory Solvents for analytical and research applications.
CAS Number 67-68-5
| Test | Specification |
|---|---|
| Chemical and Physical | |
| Appearance, Clarity | Clear |
| Appearance, Color | Colorless |
| Appearance, Form | Liquid |
| Solubility | Soluble in water and ethanol (96%) |
| Identification, IR | Complies |
| Assay, GC, on dried basis | ≥ 99.9% |
| Water, KF, colorimetric | ≤ 0.10% |
| Specific Gravity at 20 °C | 1.095 – 1.101 |
| Refractive Index at 20 °C | 1.478 – 1.479 |
| Boiling Range | 189 – 192 °C |
| Freezing Point | 17 – 18 °C |
| Nonvolatile Matter | ≤ 0.01% |
| Acidity, as CH₃COOH | ≤ 0.005% |
| Dimethyl Sulfone and Dibenzyl Sulfone, GC | ≤ 0.10% |
| Total Impurities | ≤ 0.15% |
| UV Absorbance | |
| Absorbance at 275 nm, 1 cm cell vs. H₂O | ≤ 0.30 |
| Absorbance at 285 nm, 1 cm cell vs. H₂O | ≤ 0.20 |
| Absorbance at 295 nm, 1 cm cell vs. H₂O | ≤ 0.20 |
| Absorbance ratio 285 nm / 275 nm, after 15 min N₂ purge | ≤ 0.65 |
| Absorbance ratio 295 nm / 275 nm, after 15 min N₂ purge | ≤ 0.45 |
Refer to the lot-specific Certificate of Analysis for actual results and specifications.
Shipping
Free standard ground shipping when your order includes $50 or more of UFC BIO products, shipped within the contiguous US (lower 48 states).
Returns
30-day returns within the contiguous US. Once we receive and inspect your return, we’ll issue a full refund within 3–5 business days.
Returns are not accepted more than 30 days after delivery unless an extension is approved.
Alaska, Hawaii, Puerto Rico & international
Orders shipping outside the contiguous US (including Canada) do not qualify for free shipping. Shipping costs are determined at checkout. If a shipping option isn’t available, please contact us at info@ufcbio.com.
Certificate of Analysis (COA)
Search for a Certificate of Analysis by entering the product’s Lot/Batch Number. You’ll find it on the product label after the word ‘Lot’ or ‘Batch’.
COA found. Opening the PDF in a new tab…
Safety Data Sheet (SDS)
Handling, storage and safety information for this product.
Download SDS (PDF) ↗Excellent product, delivered fast and in perfect order
Good product. Will buy again.
product is 100% as advertised. Customer service is great and shipping was fast. Price was right.
Noticed less inflammation the first day!
Great stuff
Great product & customer service
Great product
Been using this product and love the results. Will order again.
K哦
great stuff. Works perfectly
Good product, great customer service
Excellent quality. Gives uniform signature on research models. Will be my go to source.
No body odor after internal and external use. Would buy again. The glass dropper comes only with a small 4 oz bottle.
m
Fantastic, will purchase again
Excellent product would purchase again
First packaging was great bc deliver dropped it over the fence, and being a glass bottle I was quite nervous. Second, it came inin a very timely manner. I’ve used DMSO decades ago when at first was being noticed back in the early 70s. I was happy to find what appears to be a very quality pharmaceutical grade DMSO. I use it for pain in both shoulders because I have shoulder impingement and bicep tendinitis. I add a little bit of frankincense with it. It It works amazing. I have not been able to sleep at night. This has been my savior! I recommend your company to anyone dealing with pain.
Great product, great service, fast delivery
all is good: cost, ordering, receiving
The DMSO seems very clean. I love the dropper with the measurements on it. The company is responsive to questions.
Thank you!
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