Sodium tetraborate 10-hydrate (Borax) CZ

Chemical name: Sodium tetraborate 10-hydrate
Synonyms: Sodium tetraborate decahydrate, Sodium tetraborate, Borax, Sodium heptaoxytetraborate
Chemical formula: Na2B4O7 - 10H2O
Molar mass: 381.37 g/mol
CAS No.: 1303-96-4
EC No.: 215-540-4

Technical data

• Form: solid, crystals or powder
• Color: colorless to white
• Odor: odorless
• pH value (40 g/l, 20°C): 9 - 10
• pH value (4%, 20°C): 9,0 - 9,6
• Melting point: 62°C
• Boiling point: 1575°C (as anhydrous)
• Flash point: non-flammable substance
• Auto-ignition temperature: non-combustible substance
• Explosion limits: does not form explosive mixtures
• Vapor pressure: 0.213 hPa (20°C)
• Density: 1.73 g/cm³ (20°C)
• Bulk density: approx. 750 kg/m³
• Solubility in water: 49.8 g/l (20°C)
• Solubilityin organic solvents: practically insoluble (e.g., in acetone)
• Purity: 99,5 - 103,0 %.
• Water-insoluble substances: max. 0.01 %Water-insoluble substances: max. 0.01 %.
• Chlorides (Cl): max. 0.005 %.
• Sulfates (SO4): max. 0.01 %.
• Heavy metals (Pb): max. 0.002 %.
• Iron (Fe): max. 0.002 %

Examples of professional applications in various industries

• Chemical laboratories - high-purity analytical reagent
• Chemical industry - standards and control reactions
• Glass and ceramics industry - high-purity flux
• Scientific research - component of buffers and reagents in chemical analysis
• Laboratory procedures - applications requiring pure reagents for analysis

Hazard warnings (H)

Not applicable - the substance is not classified as hazardous in this purity class.

Safety information (P)

Not applicable - when working with chemical reagents, the usual health and safety precautions must be taken.

Recommended storage conditions

• Store in tightly closed containers.
• Protect from moisture
• Do not store near acids
• Store in a dry, cool, and well-ventilated place

Sodium tetraborate 10-hydrate (Borax) CZ

Chemical name: Sodium tetraborate 10-hydrate
Synonyms: Sodium tetraborate decahydrate, Sodium tetraborate, Borax, Sodium heptaoxytetraborate
Chemical formula: Na2B4O7 - 10H2O
Molar mass: 381.37 g/mol
CAS No.: 1303-96-4
EC No.: 215-540-4

Technical data

• Form: solid, crystals or powder
• Color: colorless to white
• Odor: odorless
• pH value (40 g/l, 20°C): 9 - 10
• pH value (4%, 20°C): 9,0 - 9,6
• Melting point: 62°C
• Boiling point: 1575°C (as anhydrous)
• Flash point: non-flammable substance
• Auto-ignition temperature: non-combustible substance
• Explosion limits: does not form explosive mixtures
• Vapor pressure: 0.213 hPa (20°C)
• Density: 1.73 g/cm³ (20°C)
• Bulk density: approx. 750 kg/m³
• Solubility in water: 49.8 g/l (20°C)
• Solubilityin organic solvents: practically insoluble (e.g., in acetone)
• Purity: 99,5 - 103,0 %.
• Water-insoluble substances: max. 0.01 %Water-insoluble substances: max. 0.01 %.
• Chlorides (Cl): max. 0.005 %.
• Sulfates (SO4): max. 0.01 %.
• Heavy metals (Pb): max. 0.002 %.
• Iron (Fe): max. 0.002 %

Examples of professional applications in various industries

• Chemical laboratories - high-purity analytical reagent
• Chemical industry - standards and control reactions
• Glass and ceramics industry - high-purity flux
• Scientific research - component of buffers and reagents in chemical analysis
• Laboratory procedures - applications requiring pure reagents for analysis

Hazard warnings (H)

Not applicable - the substance is not classified as hazardous in this purity class.

Safety information (P)

Not applicable - when working with chemical reagents, the usual health and safety precautions must be taken.

Recommended storage conditions

• Store in tightly closed containers.
• Protect from moisture
• Do not store near acids
• Store in a dry, cool, and well-ventilated place

According to § 2 Paragraph 5 Sentence 2 of the Chemicals Prohibition Ordinance, this article is subject to a ban on sale to private individuals. Delivery is made exclusively to resellers, professional users, commercial enterprises, or public research, testing, or educational institutions upon presentation of the required evidence.