© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
Chemical Name: Vanadium(III) Chloride
Synonyms: Vanadium Trichloride, VCl3
Formula: VCl3
Appearance: Usually lands on the bench as a dark, olive purple crystal or powder. This one doesn’t draw attention with any scent.
Use: In most labs, you’ll catch VCl3 working in research as a catalyst or in synthesis. I’ve seen it getting pulled off the shelf during the trickier parts of organometallic chemistry projects.
Main Risks: Strong irritant to eyes, skin, and respiratory tract. I remember a colleague coughing up a storm after a fume hood leak—a good reminder chlorides aren’t just harmless salts.
Routes of Exposure: Inhalation, skin contact, ingestion. Without gloves or splash goggles, exposure ramps up fast.
Chronic Hazards: Long-term effects can sneak up—think respiratory complications, possible kidney or liver effects, and no one wants long-term vanadium in the body.
GHS Classification: Corrosive classification fits here; health warnings marked.
Pictograms: Corrosive and health hazard signs apply, making clear what’s at stake.
Ingredient: Vanadium trichloride
CAS Number: 10049-95-5
Concentration: It’s usually supplied pure, with over 98% content.
Inhalation: Get outside or find fresh air right away. Anyone helping should watch out for their own safety—ventilate the place first.
Skin Contact: Drench the skin with water for at least 15 minutes. Toss contaminated clothing.
Eye Contact: Rinse under running water, eyelids open wide, for several minutes. Back to the basics: don’t rub.
Ingestion: Rinse mouth with water immediately. Do not try to induce vomiting. Seek professional help as soon as possible.
Notes for Medical Team: Treat based on symptoms and consider delayed lung or organ effects; keep an eye on kidney function.
Flammability: VCl3 itself doesn't burn, but things change under high heat or if it meets oxidizers.
Decomposition Hazards: Releases nasty gases like hydrogen chloride and vanadium oxides in fires.
Suitable Extinguishing Media: Use dry chemical powder, foam, or CO2. Water spray rarely comes first; strong acids and metal salts rarely like water near fire.
Protective Gear: Rescue teams should suit up with full protective gear and breathing apparatus.
Fire Tips From Experience: Fires with metal chlorides cause confusion—adequate ventilation and prepared exits matter more than heroics.
Personal Caution: Suit up with gloves, goggles, and a mask before entering a spill area.
Environmental Precaution: Avoid sweeping this out with regular trash, and keep it away from drains and water sources.
Cleanup Method: Scoop up the solid with care, use inert absorbent material (like dry sand), and bag all waste in sealed containers.
Post-Cleanup: Wash the affected area with lots of water, and run decontamination on all tools used.
Workplace Tip: Always let coworkers know about a spill—never treat a chemical release as a one-person job.
Safe Handling: Only open and use in well-ventilated spaces, preferably fume hoods. No eating, drinking, or improvising containers.
Storage: Keep sealed in an airtight, labeled container. Preferably kept in a cool, dry spot out of direct sunlight.
Segregation: Don’t store with strong acids, metals, or oxidizers; bad combinations lead to dangerous surprises.
Personal Practice: Consider regular checks of storage labels and container integrity; neglect leads to mystery bottles and wasted money.
Exposure Limits: Occupational exposure limits exist for vanadium compounds; check OSHA or ACGIH lists to keep within safe numbers.
Engineering Controls: Fume hoods, local exhaust ventilation, closed transfer systems help keep dust and vapor at bay.
Personal Protection: Gloves (nitrile or neoprene), chemical splash goggles, lab coats, and, if working with lots of powder, a respirator. Skipping protection costs more than the time it saves.
Hygiene Practices: Wash hands before leaving the lab, don’t reuse gloves, and always clean safety eyewear thoroughly.
Appearance: Purple-black crystalline powder.
Melting Point: High, usually above 300°C.
Solubility: Reacts with water, especially under acidic conditions; makes solution handling a challenge.
Odor: No clear smell detected.
Other: Not volatile at room temperature, but forms corrosive fumes if heated or mixed with acids.
Chemical Stability: Stable sealed away from moisture, but reacts with water and humidity—forms hydrochloric acid fumes on contact with air over time.
Dangerous Reactions: Watch out for volatile, toxic gases when it meets heat, strong oxidizers, or acids.
Materials to Avoid: Water, oxidizers, acids, and bases.
Incompatibility Stories: Once watched a spill interact with a sink—quick lesson in why quartz and porcelain, not regular drain systems, matter in heavy chemistry labs.
Routes of Exposure: Skin, inhalation, ingestion.
Potential Effects: Serious respiratory irritation, coughing, possible metal fume fever. Chronic vanadium exposure can land as kidney or nervous system trouble.
Acute Symptoms: Eyes and mucous membranes go red and sore; contact on skin can blister if not washed off quickly.
Long-Term Stories: Studies have linked repeated inhalation to nervous system complaints and possible organ stress—regular monitoring matters.
Carcinogenicity: No direct link established to cancer, but toxic by other routes.
Environmental Risks: Vanadium compounds build up in soil and water. Toxic to aquatic creatures—fisheries near manufacturing zones have flagged this several times.
Mobility: High solubility lets VCl3 spread in groundwater and runoff.
Persistence: Doesn’t break down quickly; accumulates.
Real-World Reminder: One local water board once found vanadium readings spike after chemical dumping; never treat drains as trash chutes.
Proper Landfill: Must not go with regular trash—hazardous waste protocols apply.
Treatment: Send material for chemical neutralization if possible; use licensed hazardous waste contractor for all large disposals.
Contaminated Containers: Rinse out triple times before sending for disposal, label appropriately.
Lab Reality: Skipping the paperwork or proper disposal steps risks regulatory fines and, more importantly, staff health.
UN Number: Classified as a hazardous solid.
Packing: Carried in sealed, corrosion-resistant containers. Spill kits must follow during shipping.
Documentation: Shipping paperwork lists hazards and precautionary measures—inspectors check labels and logs routinely at borders and warehouses.
Common Practice: Always pad containers against breakage; one puncture causes a chain of problems.
International Regulations: Covered under toxic and hazardous substances lists in US (OSHA), EU (REACH, CLP), and Japan.
Workplace Controls: Risk assessments, safety protocols, and employee training form the backbone of regulatory compliance.
Personal Experience: Audits reveal that regularly updated training beats written policies when it comes to long-term safety—people remember stories and consequences more than rules on paper.
