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Distilled Water Extra Pure
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SHORT DESCRIPTION
Distilled Water Extra Pure is laboratory-grade water that has been thoroughly purified through distillation to remove all dissolved salts, minerals, organic compounds, and microbial contaminants. It serves as an essential solvent and diluent in chemical analyses, reagent preparation, and biological experiments where purity is critical. Its high level of cleanliness ensures minimal interference in sensitive laboratory procedures, making it ideal for use in analytical instrumentation, standard solution preparation, and microbiological testing.
Description
USES
Primary Laboratory Uses:
- Solvent for reagent preparation:
Acts as a pure, neutral medium for dissolving chemicals to prepare accurate solutions. - Cleaning and rinsing laboratory glassware and instruments:
Prevents contamination from minerals or ions present in tap water. - Dilution of concentrated acids, bases, and stock solutions:
Ensures precision in concentration and avoids unintended reactions. - Sample preparation and reconstitution:
Used to prepare or rehydrate biological, chemical, and pharmaceutical samples. - Media preparation in microbiology and cell culture:
Provides a sterile and inert water source that supports controlled growth environments.
Secondary Laboratory Uses:
- Calibration of instruments (e.g., pH meters, spectrophotometers):
Used as a reference or blank for accurate measurements. - Water bath filling for controlled heating:
Provides a clean medium for uniform heat transfer without introducing contaminants. - Storage of sensitive chemicals or biological samples:
Ensures minimal interference or degradation over time.
Steam generation for autoclaves or distillation setups:
Produces contaminant-free steam for sterilization and experimental use.
KEY PRODUCT FEATURES
KEY ATTRIBUTES
1. Basic Identification Attributes
- Chemical Name: Distilled Water
- Other Names: Purified Water, Hâ‚‚O (distilled)
- Chemical Formula: Hâ‚‚O
- CAS Number: 7732-18-5
- Grade: Extra Pure (Laboratory Grade)
- Molecular Weight: 18.02 g/mol
- Appearance: Clear, colorless, odorless liquid
2. Physical & Chemical Properties
- Solubility: Universal solvent (miscible with most substances)
- pH: ~5.5 – 7.0 (due to dissolved atmospheric CO₂)
- Boiling Point: 100 °C at 1 atm
- Freezing Point: 0 °C
- Conductivity: <1 µS/cm (ultrapure types can be ~0.05 µS/cm)
- Purity: Free from dissolved salts, organic matter, and particulates
3. Safety & Hazard Attributes
- GHS Classification: Not hazardous
- Hazard Statements: None
- PPE Requirements (when applicable):
- Generally none required
- Use gloves and eye protection if used with reactive substances
- First Aid Measures:
- Inhalation / Ingestion / Contact: No adverse effects expected
4. Storage & Handling Attributes
- Storage Conditions:
- Store in clean, tightly sealed containers
- Avoid contamination from air or glassware
- Store at room temperature away from reactive chemicals
- Handling Notes:
- Use only with clean or sterile equipment
- Avoid contact with reactive or hygroscopic substances
5. Regulatory & Compliance Attributes
- EC Number: 231-791-2
- UN Number: Not regulated
- Hazard Class: Not hazardous
- REACH Status: Exempt
6. Laboratory Applications
- Primary Uses:
- Solvent in chemical reactions and dilutions
- Rinsing agent for labware
- Reagent preparation
- Blank or control in analytical procedures
- Other Uses:
- Used in autoclaves and sterilizers
- Medium for microbiology or biochemistry work
- Ingredient in aqueous solutions and buffers
SAFETY HANDLING PRECAUTIONS
SAFETY MEASURES
SAFETY & HANDLING
- PPE: None required under normal lab use, but lab hygiene should be maintained
- Storage:
- Store in clean, inert plastic or glass containers
- Keep tightly sealed to avoid airborne contamination (e.g., dust, COâ‚‚)
- Avoid recontamination—dispense with sterile pipettes or clean vessels
STABILITY & COMPATIBILITY
- Stability: Stable under normal conditions
- Reactivity: Non-reactive, but can dissolve gases, minerals, or contaminants if exposed
- Avoid contact with: Contaminated surfaces, non-lab grade containers, reactive metals (in sensitive analyses)
FIRST AID MEASURES
- Eye/Skin Contact / Inhalation / Ingestion: No known hazard under standard conditions.
- If contamination is suspected, treat as per the contaminant involved.
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- SHORT DESCRIPTION
