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Lab pinch clip
Original price was: $ 1.88.$ 0.97Current price is: $ 0.97.
Dynamo Working Model
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Oxalic Acid Extra Pure
Original price was: $ 16.00.$ 15.76Current price is: $ 15.76.
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Oxalic Acid Extra Pure is a high-purity, crystalline organic compound known for its strong reducing and chelating properties. Appearing as a white, odorless solid, it is highly soluble in water and widely utilized in both laboratory and industrial settings.
This Extra Pure grade ensures reliable performance in analytical chemistry, metal cleaning, rust removal, and rare earth element processing. In the laboratory, it is commonly used to precipitate calcium ions and to prepare standard solutions for titration. In industries, Oxalic Acid is valued for its effectiveness in bleaching wood, cleaning marble, and removing iron stains from surfaces and textiles. Due to its toxicity and corrosiveness, it must be handled with appropriate personal protective equipment and stored securely in a cool, dry, well-ventilated area.
Description
KEY PRODUCT FEATURES
KEY ATTRIBUTES
1. Basic Identification Attributes
- Chemical Name: Oxalic Acid
- CAS Number: 144-62-7
- HS Code: 2917.11.00
- Molecular Formula: Câ‚‚Hâ‚‚Oâ‚„ (Anhydrous)
- Synonyms:
- Ethanedioic acid
- Dicarboxylic acid
- Oxalate (conjugate base)
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder)
- Color & Odor: White; odorless
- Boiling Point: Decomposes before boiling
- Melting Point: ~189–191 °C (decomposes)
- Density: 1.9 g/cm³ (anhydrous)
- Solubility:
- Soluble in water (9.5 g/100 mL at 25 °C)
- Soluble in alcohols
- pH Level: ~1.3 (0.1 M aqueous solution; strongly acidic)
- Vapor Pressure: Negligible
- Flash Point: Not applicable (non-volatile solid)
- Autoignition Temperature: Not flammable under standard conditions
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Acute toxicity (oral, dermal) – Category 4
- Skin corrosion/irritation – Category 1B
- Serious eye damage – Category 1
- NFPA Ratings:
- Health: 3
- Flammability: 1
- Reactivity: 1
- Exposure Limits:
- OSHA PEL: 1 mg/m³ (TWA)
- ACGIH TLV: 1 mg/m³ (TWA)
- Reactivity:
- Incompatible with strong oxidizers, bases, and reducing agents
- Can react with metals to produce hydrogen gas
4. Storage & Handling Attributes
- Storage Conditions:
- Store in tightly closed containers
- Keep in cool, dry, well-ventilated area
- Incompatible Materials:
- Strong bases, oxidizers, sodium hypochlorite, nitric acid
- Container Type: Plastic or corrosion-resistant glass
- Shelf Life & Expiration Date: Stable for 2–3 years under recommended conditions
- Special Handling Requirements:
- Use gloves, safety goggles, lab coat
- Handle in a fume hood to avoid inhalation
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed in REACH, TSCA, and other major regulatory databases
- Controlled under workplace exposure laws
- Hazard Symbols (GHS Pictograms):
- Transportation Restrictions:
- UN Number: UN 3261 (Corrosive solid, acidic, organic, n.o.s.)
- Hazard Class: 8
- Waste Disposal Method:
- Dispose of according to local regulations
- Do not release into sewers or environment
6. Environmental & Health Impact
- Ecotoxicity:
- Harmful to aquatic life at high concentrations
- Persistence in Environment: Readily biodegradable
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic
- No mutagenic effects reported in standard assays
- Biodegradability: Rapidly biodegradable under aerobic conditions
SAFETY HANDLING PRECAUTIONS
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear a lab coat, nitrile gloves, and chemical safety goggles.
- Use a dust mask or handle in a well-ventilated area or fume hood.
Handling:
- Avoid contact with skin, eyes, and clothing.
- Prevent inhalation of dust or vapors.
- Wash hands thoroughly after handling.
- Do not mix with strong oxidizers or bases.
Storage:
- Store in a tightly sealed container in a cool, dry, and well-ventilated place.
- Keep away from moisture, heat sources, and incompatible substances such as bases and oxidizing agents.
- Protect from light and humidity.
FIRST AID MEASURES
Inhalation:
- Move the person to fresh air immediately.
- Seek medical attention if symptoms such as coughing or breathing difficulty occur.
Skin Contact:
- Remove contaminated clothing.
- Wash skin thoroughly with soap and water.
- Get medical attention if irritation or burns develop.
Eye Contact:
- Rinse cautiously with water for at least 15 minutes.
- Remove contact lenses if present and easy to do.
- Seek immediate medical attention.
Ingestion:
- Rinse mouth with water.
- Do not induce vomiting.
- Seek immediate medical attention—can be harmful or fatal if
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