Safety Data Sheet / MSDS — A18B8C14

1. Identification

2. Hazard identification

A verified hazard assessment for neat A18B8C14 is not available in the supplied records. GHS hazard class, signal word, pictograms and hazard statements have not been assigned here. Missing information must not be interpreted as evidence that the product is harmless or non-hazardous.

Avoid breathing dust, aerosol or mist and avoid skin, eye and mouth contact. Handle as a research chemical with incompletely characterized hazards. Solvents used to prepare stock solutions introduce additional hazards that must be assessed separately.

3. Composition / ingredient information

4. First-aid measures

Eyes: Rinse immediately with plenty of water, remove contact lenses if easy to do, and continue rinsing. Seek medical advice after significant exposure or if symptoms persist.

Skin: Remove contaminated clothing and wash thoroughly with soap and water. Seek medical advice for irritation or other symptoms.

Inhalation: Move to fresh air without exposing the rescuer. Obtain urgent medical help for breathing difficulty.

Ingestion: Rinse the mouth. Do not induce vomiting unless directed by a medical professional. Seek medical advice and show the product label. Do not give anything by mouth to an unconscious person.

Specific acute/delayed symptoms and a product-specific antidote are not established in the available record.

5. Fire-fighting measures

Use extinguishing media appropriate to the surrounding fire; trained responders should choose the response. Product-specific flash point, flammability and extinguishing-media incompatibilities have not been established. Combustion of this carbon- and nitrogen-containing material may generate hazardous fumes. Firefighters should use suitable protective equipment and self-contained breathing apparatus.

6. Accidental release measures

Restrict access, ventilate the area and avoid aerosol or dust formation. Wear suitable protective equipment. Prevent release to drains and waterways. Collect recoverable material or absorb a solution spill using compatible inert material, then place in a labeled closed waste container. Follow the solvent-specific spill procedure for solutions; seek trained assistance for large or uncontrolled releases.

7. Handling and storage

Use in a suitably controlled laboratory with local exhaust ventilation as needed. Keep containers closed, avoid contact, and wash hands after handling. Do not eat or drink in the work area. Store the original product at −20 °C according to the product label, protected from moisture and unnecessary heat. Keep separate from strong oxidizing agents as a general precaution. Solution storage and compatibility require separate evaluation.

8. Exposure controls / personal protection

No product-specific occupational exposure limit is available in this record. Minimize exposure through enclosure or local exhaust ventilation. Wear chemical splash eye protection, a laboratory coat and gloves selected for the material, solvent and duration of contact. A laboratory exposure assessment must determine whether additional respiratory protection is needed; any respirator use must follow the applicable workplace program.

9. Physical and chemical properties

10. Stability and reactivity

Product-specific reactivity, hazardous-reaction potential and decomposition conditions have not been fully characterized in the available records. Avoid unnecessary heat and strong oxidizing conditions. Hazardous fumes may arise during combustion or decomposition. Catalog storage guidance does not establish chemical compatibility or all foreseeable reaction hazards.

11. Toxicological information

No validated acute oral, dermal or inhalation toxicity values for neat A18B8C14 are available here. Skin/eye irritation, sensitization, mutagenicity, carcinogenicity, reproductive toxicity, target-organ toxicity and aspiration hazards have not been resolved for this record. Absence of data does not establish absence of risk.

Published tolerability observations concern specific RNA-loaded LNPs in animal experiments. They do not establish the occupational safety classification of the neat lipid or human safety.

12. Ecological information

Measured ecotoxicity, environmental persistence, bioaccumulation and soil-mobility data are not available. Avoid environmental release; do not infer environmental safety from structural features or biological formulation studies.

13. Disposal considerations

Collect unused material, contaminated absorbents and packaging as laboratory chemical waste. Use an authorized waste-disposal service and follow applicable local requirements. Do not pour material or stock solutions into drains. Consider the solvent and any other constituents when selecting the waste stream.

14. Transport information

UN number, proper shipping name, transport hazard class, packing group and environmental transport status have not been verified. No “not regulated” classification is asserted. Obtain the issued SDS and shipment-specific classification from DC Chemicals before arranging transport; a solution may differ from the neat material.

15. Regulatory information

Product-specific chemical-inventory status and jurisdiction-specific classification have not been verified in this record. Research-use labeling does not by itself establish an exemption from chemical, workplace or transport requirements.

16. Other information

Prepared 19 October 2026 as an online preliminary safety reference. Identity and purity specification are from the DCL0018 product record; ethanol formulation use is supported by the cited publication. General laboratory precautions are not product-specific toxicology test results.

The organizational headings follow the OSHA SDS information framework; this reference does not claim compliance or replace an issued SDS.

Chun S, Nam H, Lee D, Lee Y, Park CH, Lim C, Kim D, Park JS, Kim KP, Choi HS, Koo H. Photochemistry-Based Development of Ionizable Lipid Library for mRNA-Lipid Nanoparticle Delivery In Vivo. Journal of the American Chemical Society. 2026;148(39):42494–42507. doi:10.1021/jacs.6c13674. DOI: 10.1021/jacs.6c13674

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