Diatomaceous Earth E551 25 kg BIOLABORATORIUM

Diatomaceous Earth (E551) - pure

Technical information about chemical reagents:

• Name: Diatomaceous Earth, Kieselguhr
• Chemical formula: SiO₂ - nH₂O
• CAS number: 61790-53-2
• EC number: 231-545-4
• Appearance: white, fine-grained powder
• Quality: pure technical
• Purity: high, of natural origin

Examples of professional applications in various industries:

• Filtration industry: Frequently used as a filter material for clarifying liquids, e.g., water, beer, wine, or technical oils.
• Chemical industry: Catalyst support and auxiliary agent in chemical synthesis.
• Cosmetic industry: Component of scrubs and cleansing masks due to its absorbent properties.
• Technical industry: Additive for insulating and abrasive materials.
• Agriculture and horticulture: Used as a natural means to protect plants from insects and to improve soil structure.

Hazard warnings on the product label:

H335: May irritate the respiratory tract (inhalation of dust).
H319: Irritates the eyes.
EUH210: Safety data sheet available on request.

Safety instructions on the product label:

P261: Avoid inhaling dust.
P264: Wash hands thoroughly after handling.
P280: Wear protective gloves/eye protection/respiratory protection when handling dust.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501: Dispose of contents/container in accordance with applicable regulations.

Recommended storage conditions:

1. Store in a dry, cool, and well-ventilated place.
2. Protect from moisture and direct sunlight.
3. Keep in the tightly sealed original packaging.
4. Avoid dust formation and inhalation.

Physical and chemical parameters:

• Form: Powder
• Appearance: white, fine-grained
• Composition: natural amorphous silica
• Solubility: insoluble in water
• Bulk density: approx. 0.2 - 0.5 g/cm³

Quality specification:

• Purity: natural, ≥ 99% SiO₂ (amorph.).
• Moisture content: according to quality requirements
• Natural product, not chemically modified