Material Safety Data Sheet
Oxalic acid
Section 1 - Chemical Name |
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Chemicals English name: ethanedioic acid
Technical Manual Code:
CAS No .: 144-62-7
Molecular formula: C 2 H 2 O 4
Molecular Weight: 90.04
Section 2 - Composition, Information on Ingredients |
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Chemical Name | Cas No | Percent |
Oxalic acid | 144-62-7 | |
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Risk category:
Pathways: Skin and eye contact, inhalation.
Health hazards: This product has a strong irritant and corrosive. Its dust or concentrated solutions can cau verehunted damage to the skin, eyes or mucous membranes. dormicumOral corrosion mouth and digestive tract, gastrointestinal reactions, collap, convulsions, shock and cau death, the apparent kidney damage and even uremia. Hypocalcemia may occur in the body with calcium ions. Long-term inhalation of vapors cau neurasthenia syndrome, good lifeheadache, vomiting, nasal ulcers, protein, anemia appear in the urine.
Environmental hazards:
Explosion hazard:
Section 4 - First Aid Measures |
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Skin contact: Immediately remove contaminated clothing, rin for at least 15 minutes with plenty of water. Medical treatment.
Eye contact: immediately filed eyelid, with plenty of water or saline thoroughly washed at least 15 minutes. Medical treatment.
Inhalation: rapidly from the scene to 条件编译fresh air. Keep the airway open. If breathing is difficult, give oxygen. If breathing has stopped, perform artificial respiration. Medical treatment.
Ingestion: as soon as possible with water or water plus calcium lactate, calcium gluconate or lime gastric lavage. 40g gluco and then poured into the stomach.
Section 5 - Fire Fighting Measures |
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Hazardous characteristics: ca of fire, combustible high fever. The thermal decomposition of toxic gas
Hazardous combustion products:
Fire fighting methods: firefighters are required to wear gas masks, at a safe distance, the wind on fire. Extinguishing Media: Water spray, foam, dry powder, carbon dioxide, sand.
Emergency treatment: Isolation leak contaminated areas, restricting access. Recommended emergency personnel wearing a dust mask (full cover), wear protective clothing. 准备 英文To avoid dust, carefully scan, bag placed transfer to a safe place. If large spills, plastic sheeting, canvas cover. Recycling or transported to the waste disposal sites.
Section 7 - Handling and Storage |
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Handling Precautions: isolation leak contaminated areas, restricting access. Cut off the fire source. Recommended emergency personnel wearing a dust mask (full cover), wear protective clothing. To avoid dust, carefully scan, bag placed transfer to a safe place. You
can also rin with plenty of water, wash water diluted into the wastewater system. If large spills, plastic sheeting, canvas cover. Recycling or shipped to the waste disposal sites.
Storage: Store in a cool, dry大度读人, well-ventilated warehou. Away from fire and heat. Keep container clod. With alkali, alkali metals, food chemicals stored parately, avoid mixing rervoir. Corresponding with the variety anddespi quantity of fire equipment. Storage areas should be equipped with suitable material spill.
Section 8 - Exposure Controls, Personal Protection |
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Occupational Exposure Limits
China MAC (mg / m3): not established
Former Soviet Union MAC (mg / m3): not established
TLVTN: not established
TLVWN: not established
Monitoring methods: acid-ba titration
Engineering controls: clod operation, local exhaust ventilation. Provide safety shower and eyewash equipment.
Respiratory protection: its possible exposure to dust, wear a dust mask (full cover). Emergency rescue or evacuation, air respirator should be worn.
Eye protection: Respiratory Protection has been protective.
Physical protection: wear a jumpsuit type aiciba52,400.
Hand protection: Wear rubber gloves.
方式状语从句Other protection: After work, take a shower. Attention to personal hygiene.
Section 9 - Physical and Chemical Properties |
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The main ingredients: pure
Appearance: White powder, Pickle, odorless
pH:
Melting point (℃): 190 (decomposition)
Boiling point (℃): Not available
Relative density (water = 1): 1.9
Vapor Density (Air = 1): Not available
Saturated vapor pressure (kPa): Not available
Heat of combustion (kJ / mol): 245.6
The critical temperature (℃): Not available
Critical pressure (MPa): Not available
Logarithm of the octanol / water partition coefficient: Not available
Flash point (℃): meaningless
Ignition temperature (℃gitlab): meaningless
Explosive limit% (V / V): meaningless
