Di-sodium Tetraborate (Borax) Extra Pure

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SHORT DESCRIPTION

Di-sodium Tetraborate (Borax) Extra Pure is a high-purity boron compound widely used in laboratory applications for its buffering, emulsifying, and fluxing properties. In analytical chemistry, it serves as a reagent in qualitative and quantitative analysis, particularly in flame tests and as a flux in the preparation of glass beads for spectroscopy. Its buffering capacity is valuable in maintaining pH stability in various solutions, while its detergent-like action supports cleaning and sample preparation. This extra pure grade ensures minimal contaminants, making it ideal for precision work in research, teaching, and industrial laboratories. Store in a cool, dry environment in a well-sealed container.

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Category: LABORATORY CHEMICALS Tags: BoraxExtraPure, BoraxForAnalysis, BoraxInBiochemistry, BufferSolutionReagent, LabGradeBorax, MicrobiologyBuffer, SodiumTetraborate

Description

USES

Table of Contents

Primary Uses

Buffering Agent
- Used in borate buffer systems for maintaining alkaline pH in biochemical and molecular biology applications.
Analytical Reagent
- Involved in complexometric titrations and metal ion detection, especially for aluminum and iron.
Flux in Metallurgy Labs
- Facilitates the melting and cleaning of metals during small-scale metallurgical experiments.
Staining & Microscopy
- Acts as a mordant or fixative in histological preparations.

Secondary Uses

Slime/Polymer Labs – Combines with PVA to demonstrate cross-linking chemistry in educational settings.
Glass & Enamel Studies – As a raw material in synthesis of borosilicate glasses and ceramics.
Fire Retardancy Testing – Used in testing formulations in fire-resistance experiments.

KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

Chemical Name: Di-sodium Tetraborate Decahydrate
Common Name: Borax
CAS Number: 1303-96-4
Chemical Formula: Na₂B₄O₇·10H₂O
Molar Mass: 381.37 g/mol
Grade: Extra Pure (Laboratory Grade)

2. Physical & Chemical Properties

Appearance: White crystalline powder or granules
Odor: Odorless
Solubility: Soluble in water; insoluble in alcohol
pH (1% sol.): ~9.3 (alkaline)
Melting Point: ~75 °C (loses water of crystallization)
Boiling Point: Decomposes before boiling
Density: ~1.73 g/cm³
Hygroscopicity: Slightly hygroscopic

3. Safety & Hazard Attributes

GHS Classification: Eye Irritant (Category 2), Reproductive Toxicity (Category 2)
Hazard Statements:
- H319: Causes serious eye irritation
- H361: Suspected of damaging fertility or the unborn child
Precautionary Measures:
- Avoid eye and skin contact
- Wear gloves, goggles, and a lab coat
- Do not inhale dust
First Aid:
- Inhalation: Move to fresh air
- Skin/Eye Contact: Rinse with water
- Ingestion: Rinse mouth, seek medical advice if large amounts are ingested

4. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed container
- Keep in a cool, dry, well-ventilated area
- Protect from moisture and direct sunlight
Handling Advice:
- Minimize dust generation
- Use in a fume hood for large-scale experiments

5. Regulatory & Compliance Attributes

EINECS Number: 215-540-4
UN Number: Not classified as hazardous for transport
REACH Status: Registered
Labeling Requirements: GHS07, GHS08

6. Laboratory Applications

Primary Uses:
- Buffering agent in biochemical labs
- Precursor in borate buffer solutions
- Emulsifier and flame retardant in formulations
- Used in preparation of slime (polymer crosslinking experiments)

SAFETY HANDLING PRECAUTIONS

SAFETY MEASURES

LABORATORY SAFETY & HANDLING

PPE Required:
- Gloves
- Lab coat
- Safety goggles
Storage Guidelines:
- Store in a dry, cool, and well-ventilated area
- Keep the container tightly closed to prevent moisture absorption
- Avoid contact with acids, which release boric acid fumes
Handling Tips:
- Avoid creating dust – use a scoop spatula carefully
- Use only in well-ventilated labs or under a fume hood
- Wash hands after handling

FIRST AID MEASURES

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Wash with soap and water
Eye Contact: Rinse cautiously with water for at least 15 minutes
Ingestion (Lab Use): Rinse mouth; seek medical attention—not for food use

FIRE SAFETY MEASURES

Fire Hazard: Non-combustible
Explosion Risk: None under normal conditions
Extinguishing Agents: Use any suitable media (water, foam, CO₂) for surrounding fire
Thermal Decomposition: May emit sodium oxide and boron oxides at high temperatures